Printing from undefined

2009 ACCESSORIES AND EQUIPMENT

Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town & Country

DIAGNOSTIC CODE INDEX

DTC

DESCRIPTION

B128C-16

DRIVER BLIND SPOT SENSOR-CIRCUIT VOLTAGE BELOW THRESHOLD

B128C-17

DRIVER BLIND SPOT SENSOR-CIRCUIT VOLTAGE ABOVE THRESHOLD

B128C-2A

DRIVER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

B128C-48

DRIVER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

B128C-4A

DRIVER BLIND SPOT SENSOR-INCORRECT COMPONENT INSTALLED

B128C-56

DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE

CONFIGURATION

B128C-57

DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE

COMPONENT

B128C-64

DRIVER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

B128C-92

DRIVER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT

OPERATION

B128C-96

DRIVER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

B128C-98

DRIVER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER

TEMPERATURE

B128D-16

PASSENGER BLIND SPOT SENSOR-CIRCUIT VOLTAGE BELOW

THRESHOLD

B128D-17

PASSENGER BLINDSPOT SENSOR-CIRCUIT VOLTAGE ABOVE

THRESHOLD

B128D-2A

PASSENGER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

B128D-48

PASSENGER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

B128D-4A

PASSENGER BLIND SPOT SENSOR-INCORRECT COMPONENT

INSTALLED

B128D-56

PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE

CONFIGURATION

B128D-57

PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE

COMPONENT

B128D-64

PASSENGER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

B128D-92

PASSENGER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT

OPERATION

B128D-96

PASSENGER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

B128D-98

PASSENGER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER

TEMPERATURE

B129A-00

DRIVER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

B129B-00

PASSENGER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 1

steve

Monday, May 23, 2011 1:51:47 PM

Page 1

DIAGNOSIS AND TESTING

B128C-16-DRIVER BLIND SPOT SENSOR-CIRCUIT VOLTAGE BELOW THRESHOLD

B210C-00

BATTERY VOLTAGE INPUT

B2199-16

BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD

B2199-17

BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD

B21DD-84

SYSTEM VOLTAGE-SIGNAL BELOW ALLOWABLE RANGE

B21DD-85

SYSTEM VOLTAGE-SIGNAL ABOVE ALLOWABLE RANGE

B223B-00

VEHICLE CONFIGURATION MISMATCH

B2598-00

DOOR MODULE FRONT LEFT

B2599-00

DOOR MODULE FRONT RIGHT

U0010-00

CAN INTERIOR BUS

U0141-00

LOST COMMUNICATION WITH IPM (FCM/TIPM)

U0155-00

LOST COMMUNICATION WITH CLUSTER/CCN

U0184-00

LOST COMMUNICATION WITH RADIO

U0203-00

LOST COMMUNICATION WITH LEFT FRONT DOOR MODULE

U0204-00

LOST COMMUNICATION WITH RIGHT FRONT DOOR MODULE

U0423-00

IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN

U0431-00

IMPLAUSIBLE DATA RECEIVED FROM IPM (FCM/TIPM)

U1034-88

BLIND SPOT MONITORING PRIVATE CAN-C-BUS OFF

U1193-00

LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR

U1193-01

LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-

GENERAL ELECTRICAL FAILURE

U1193-87

LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-

MISSING MESSAGE

U1194-00

LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR

U1194-01

LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR-

GENERAL ELECTRICAL FAILURE

U1194-87

LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR-

MISSING MESSAGE

U1434-82

IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-

ALIVE / SEQUENCE COUNTER INCORRECT / NOT UPDATED

U1434-8F

IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-

ERRATIC

U1435-82

IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT

SENSOR-ALIVE / SEQUENCE COUNTER INCORRECT / NOT UPDATED

U1435-8F

IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT

SENSOR-ERRATIC

U1438-00

ABS MODULE-IMPLAUSIBLE VEHICLE CONFIGURATION RECEIVED

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 2



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module detects the Blind Spot Sensor circuit voltage below threshold.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



The condition that caused this code to set is not present at this time. Check for an intermittent
condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially
broken wires. Also inspect the related connectors for broken, bent, pushed out, spread,
corroded, or contaminated terminals.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
LEFT REAR BLIND SPOT SENSOR

NOTE:

Diagnose and repair any vehicle charging system failures before
proceeding with this diagnostic procedure.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 4

Fig. 2: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is the voltage above 10.0 volts?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 5

Fig. 3: Blind Spot Sensors (Driver Side & Passenger Side) - Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module detects the Blind Spot Sensor circuit voltage above threshold.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
LEFT REAR BLIND SPOT SENSOR

NOTE:

Diagnose and repair any vehicle charging system failures before
proceeding with this diagnostic procedure.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 7

Totally Integrated Power (TIPM) - Standard Procedure .

2. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT

Fig. 4: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is the voltage below 16.0 volts?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 8



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Diagnose the vehicle for high system voltage.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-2A-DRIVER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.

Possible Causes

PHYSICAL BLOCKAGE ON VEHICLE OVER BLIND SPOT SENSOR
LEFT REAR BLIND SPOT SENSOR

NOTE:

Before proceeding, check the vehicle for physical blockage on vehicle
over Blind Spot Sensors.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 9



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-48-DRIVER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 10



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-4A-DRIVER BLIND SPOT SENSOR-INCORRECT COMPONENT INSTALLED

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to
continuously poll the sensors for the correct version.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Install a new Left Rear Blind Spot Sensor with proper software version to match the BSM.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 11



Test Complete.

B128C-56-DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE CONFIGURATION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 12

B128C-57-DRIVER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE COMPONENT

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to
continuously poll the sensors for the correct version.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Install a new Left Rear Blind Spot Sensor with proper software version to match the BSM.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Test Complete.

B128C-64-DRIVER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 13



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-92-DRIVER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT OPERATION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:42 PM

Page 14

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-96-DRIVER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 15

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module detects an internal failure with the Blind Spot Sensor

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128C-98-DRIVER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER TEMPERATURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 16



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-16-PASSENGER BLIND SPOT SENSOR-CIRCUIT VOLTAGE BELOW THRESHOLD

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 17



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects the Blind Spot Sensor circuit voltage below threshold.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
RIGHT REAR BLIND SPOT SENSOR

NOTE:

Diagnose and repair any vehicle charging system failures before
proceeding with this diagnostic procedure.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 19

Fig. 6: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is the voltage above 10.0 volts?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 20



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open or high resistance.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-17-PASSENGER BLINDSPOT SENSOR-CIRCUIT VOLTAGE ABOVE THRESHOLD

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 21



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects the Blind Spot Sensor circuit above below threshold.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
RIGHT REAR BLIND SPOT SENSOR

NOTE:

Diagnose and repair any vehicle charging system failures before
proceeding with this diagnostic procedure.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 23

Fig. 8: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is the voltage below 16.0 volts?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 24



Diagnose the vehicle for high system voltage.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-2A-PASSENGER BLIND SPOT SENSOR-SIGNAL STUCK IN RANGE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

PHYSICAL BLOCKAGE ON VEHICLE OVER BLIND SPOT SENSOR
RIGHT REAR BLIND SPOT SENSOR

NOTE:

Before proceeding, check the vehicle for physical blockage on vehicle
over Blind Spot Sensors.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 25



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-48-PASSENGER BLIND SPOT SENSOR-SUPERVISION SOFTWARE FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 26



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-4A-PASSENGER BLIND SPOT SENSOR-INCORRECT COMPONENT INSTALLED

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to
continuously poll the sensors for the correct version.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Install a new Right Rear Blind Spot Sensor with proper software version to match the BSM.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Test Complete.

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 27

B128D-56-PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE CONFIGURATION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-57-PASSENGER BLIND SPOT SENSOR-INVALID/INCOMPATIBLE SOFTWARE
COMPONENT

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 28

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The sensor installed is reporting an incompatible version which causes the Blind Spot Module (BSM) to
continuously poll the sensors for the correct version.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Install a new Right Rear Blind Spot Sensor with proper software version to match the BSM.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Test Complete.

B128D-64-PASSENGER BLIND SPOT SENSOR-SIGNAL PLAUSIBILITY FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 29

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-92-PASSENGER BLIND SPOT SENSOR-PERFORMANCE OR INCORRECT OPERATION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 30

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The Blind Spot Module (BSM) detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-96-PASSENGER BLIND SPOT SENSOR-COMPONENT INTERNAL FAILURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 31



Set Condition:

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B128D-98-PASSENGER BLIND SPOT SENSOR-COMPONENT OR SYSTEM OVER
TEMPERATURE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 32

The Blind Spot Module detects an internal failure with the Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B129A-00-DRIVER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

This fault will present itself during a reflashing session. When the flashing tool attempts to enter the
programming session, the Blind Spot Module (BSM) will query the sensors for their bootloader version.

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 33

If the returned version is not compatible with the BSM bootloader, the BSM will not allow the system to
flash. This DTC will be set.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B129B-00-PASSENGER BLIND SPOT SENSOR-INCOMPATIBLE VERSION

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

This fault will present itself during a reflashing session. When the flashing tool attempts to enter the

Possible Causes

LEFT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 34

programming session, the Blind Spot Module (BSM) will query the sensors for their bootloader version.
If the returned version is not compatible with the BSM bootloader, the BSM will not allow the system to
flash. This DTC will be set.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B210C-00-BATTERY VOLTAGE INPUT

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Possible Causes

RIGHT REAR BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 35

The Blind Spot Module detects an internal failure.

Diagnostic Test

1. CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

1. Turn the ignition on.

2. Using the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Blind Spot Module (BSM) in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



The condition that caused this code to set is not present at this time. Check for an intermittent
condition by inspecting the related wiring harness for chafed, pierced, pinched and partially
broken wires. Also inspect the related connectors for broken, bent, pushed out, spread,
corroded or contaminated terminals.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B2199-16-BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Sensor supply voltage less than 6.5 volts.

Possible Causes

BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 36

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Is this DTC active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

Are any charging system DTCs present?

Yes



Perform the appropriate diagnostic procedure. Refer to DTC-Based Diagnostics/MODULE,
Powertrain Control (PCM) - Diagnosis and Testing for Gas Engine applications, or DTC-Based
Diagnostics/MODULE, Engine Control (ECM) - Diagnosis and Testing for Diesel Engine
applications.



Replace the BSM in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

VEHICLE CHARGING SYSTEM
BLIND SPOT MODULE (BSM)

NOTE:

Troubleshoot any PCM/ECM charging/cranking DTCs before proceeding.

NOTE:

Make sure the battery is fully charged.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 37

B2199-17-BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Sensor supply voltage greater than 16.0 volts.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Is this DTC active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

Possible Causes

VEHICLE CHARGING SYSTEM
BLIND SPOT MODULE (BSM)

NOTE:

Troubleshoot any PCM/ECM charging/cranking DTCs before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 38

Are any charging system DTCs present?

Yes



Replace the BSM in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B21DD-84-SYSTEM VOLTAGE-SIGNAL BELOW ALLOWABLE RANGE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Sensor supply voltage less than 6.5 volts.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Is this DTC active?

NOTE:

Make sure the battery is fully charged.

Possible Causes

VEHICLE CHARGING SYSTEM
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 39

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

Are any charging system DTCs present?

Yes



Replace the BSM in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B21DD-85-SYSTEM VOLTAGE-SIGNAL ABOVE ALLOWABLE RANGE

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).

NOTE:

Troubleshoot any PCM/ECM charging/cranking DTCs before proceeding.

NOTE:

Make sure the battery is fully charged.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 40



Set Condition:

Blind Spot Sensor supply voltage greater than 16.0 volts.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Is this DTC active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

Are any charging system DTCs present?

Yes



Possible Causes

VEHICLE CHARGING SYSTEM
BLIND SPOT MODULE (BSM)

NOTE:

Troubleshoot any PCM/ECM charging/cranking DTCs before proceeding.

NOTE:

Make sure the battery is fully charged.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 41



Replace the BSM in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

B223B-00-VEHICLE CONFIGURATION MISMATCH

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

This DTC will set if the vehicle type is not identified or incorrectly identified.

Diagnostic Test

1. BLIND SPOT MODULE (BSM)

1. Turn the ignition on.

2. With the scan tool, select View DTCs.

Is this DTC active at this time?

Yes



Use the scan tool and check vehicle configuration in TIPM. Perform any active TIPM DTCs.
Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing .

Possible Causes

BLIND SPOT MODULE (BSM)
TOTALLY INTEGRATED POWER MODULE (TIPM)

NOTE:

Diagnose and repair any Powertrain Control Module VIN or
Communication DTCs before continuing with this test.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 42



Use the scan tool to read DTCs in all other modules. If any communication DTCs are
present, perform the appropriate diagnostic procedure. Perform any Technical Service
Bulletins that apply. If no problems are found, test is complete.

B2598-00-DOOR MODULE FRONT LEFT

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The door module is reporting a DTC.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Driver Door (DDM) - Diagnosis and
Testing and perform the appropriate diagnostic procedure.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

Possible Causes

DTC IN FRONT LEFT DOOR MODULE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 43

B2599-00-DOOR MODULE FRONT RIGHT

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

The door module is reporting a DTC.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Passenger Door (PDM) - Diagnosis and
Testing and perform the appropriate diagnostic procedure.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U0010-00-CAN INTERIOR BUS

Possible Causes

DTC IN FRONT RIGHT DOOR MODULE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 44

Fig. 9: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 45

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

IOD fuse installed.



Set Condition:

The Totally Integrated Power Module (TIPM) detects a short to ground on the CAN Interior Bus (125K)
(+) circuit or a short to voltage on the CAN Interior Bus (125K) (-) circuit.

Diagnostic Test

1. VERIFY DTC IS ACTIVE

1. Turn the ignition on.

2. With the scan tool, read active Blind Spot Module DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0010-CAN Interior Bus diagnostic procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0141-00-LOST COMMUNICATION WITH IPM (FCM/TIPM)

Possible Causes

(D265) CAN INTERIOR BUS (125K) (+) CIRCUIT SHORTED TO GROUND
(D264) CAN INTERIOR BUS (125K) (-) CIRCUIT SHORTED TO VOLTAGE
ANY CAN INTERIOR BUS MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)

NOTE:

Make sure the IOD fuse is installed and the battery is fully charged before
proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 46

Fig. 10: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 47

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.



Set Condition:

Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to
five seconds.

Diagnostic Test

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

1. With the scan tool, read active Blind Spot Module (BSM) DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0141-Lost Communication with IPM
(FCM/TIPM) diagnostic procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0155-00-LOST COMMUNICATION WITH CLUSTER/CCN

Possible Causes

CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
TOTALLY INTEGRATED POWER MODULE (TIPM)
TIPM POWER AND GROUND
MODULE THAT SET THIS DTC

NOTE:

Make sure the IOD fuse is installed and battery voltage is between 10 and
16 volts before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 48

Fig. 11: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 49

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.



Set Condition:

Bus messages not received from the Cluster for approximately two to five seconds.

Diagnostic Test

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

1. With the scan tool, read active BSM DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0155-Lost Communication with Cluster/CCN
diagnostic procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0184-00-LOST COMMUNICATION WITH RADIO

Possible Causes

CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
CLUSTER
CLUSTER POWER AND GROUND
MODULE THAT SET THIS DTC

NOTE:

Make sure the IOD fuse is installed and battery voltage is between 10 and
16 volts before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 50

Fig. 12: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 51

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.



Set Condition:

Bus messages not received from the Radio for approximately two to five seconds.

Diagnostic Test

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

1. With the scan tool, read active BSM DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0184-Lost Communication with Radio diagnostic
procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0203-00-LOST COMMUNICATION WITH LEFT FRONT DOOR MODULE

Possible Causes

CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
RADIO
RADIO POWER AND GROUND
MODULE THAT SET THIS DTC

NOTE:

Make sure the IOD fuse is installed and battery voltage is between 10 and
16 volts before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 52

Fig. 13: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 53

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.



Set Condition:

Bus messages not received from the DDM for approximately two to five seconds.

Diagnostic Test

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

1. With the scan tool, read active BSM DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0203-Lost Communication with Left Front Door
Module diagnostic procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0204-00-LOST COMMUNICATION WITH RIGHT FRONT DOOR MODULE

Possible Causes

CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
DDM
DDM POWER AND GROUND
MODULE THAT SET THIS DTC

NOTE:

Make sure the IOD fuse is installed and battery voltage is between 10 and
16 volts before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 54

Fig. 14: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 55

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fused installed.

Totally Integrated Power Module (TIPM) is configured correctly.



Set Condition:

Bus messages not received from the PDM for approximately two to five seconds.

Diagnostic Test

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

1. With the scan tool, read active BSM DTCs.

Is this DTC active?

Yes



Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) -
Diagnosis and Testing and perform the U0204-Lost Communication with Right Front Door
Module diagnostic procedure.



Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the
Stored Lost Communication DTCs diagnostic procedure.

U0423-00-IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN

Possible Causes

CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
PDM
PDM POWER AND GROUND
MODULE THAT SET THIS DTC

NOTE:

Make sure the IOD fuse is installed and battery voltage is between 10 and
16 volts before proceeding.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 56

Fig. 15: CAN Interior Bus Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 57

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Implausible data received from the Cluster.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Cluster in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U0431-00-IMPLAUSIBLE DATA RECEIVED FROM IPM (FCM/TIPM)

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

Possible Causes

CLUSTER

NOTE:

Diagnose any Cluster DTCs before proceeding with the test.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 58

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Implausible data received from the Totally Integrated Power Module (TIPM).

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the Totally Integrated Power Module (TIPM) in accordance with the Service
Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1034-88-BLIND SPOT MONITORING PRIVATE CAN-C-BUS OFF

Possible Causes

TOTALLY INTEGRATED POWER MODULE (TIPM)

NOTE:

Diagnose any TIPM DTCs before proceeding with the test.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 59



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module unable to send a CAN message on the Blind Spot Sensor Data Link.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. Using the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND HIGH CIRCUITS SHORTED TO

VOLTAGE

Possible Causes

(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT SHORTED TO GROUND
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT SHORTED TO VOLTAGE
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT SHORTED TO GROUND
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT SHORTED TO VOLTAGE
(D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND HIGH CIRCUITS SHORTED
TOGETHER
LEFT REAR BLIND SPOT SENSOR
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 61

Fig. 17: Measuring Voltage Of Circuits At BSM Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Blind Spot Module (BSM) harness connector.

3. Disconnect the Left and Right Blind Spot Sensors.

4. Turn the ignition on.

5. Using a volt meter, measure the voltage of the D764 and D765 circuits at the BSM harness

connector.

Is voltage present on either circuit?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 62

Yes



Repair the appropriate circuit for a short to voltage.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Go to Step 3.

3. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND CIRCUITS SHORTED TO

GROUND

Fig. 18: Measuring Resistance Between Ground & Circuits At BSM Harness Connector
Courtesy of CHRYSLER LLC

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 63

1. Turn the ignition off.

2. Using an Ohm meter, measure the resistance between ground and the D764 and D765 circuits at the

BSM harness connector.

Is the resistance below 10K Ohms?

Yes



Repair the appropriate circuit for a short to ground.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Go to Step 4.

4. (D764/D765) BLIND SPOT SENSOR DATA LINK LOW AND HIGH CIRCUITS SHORTED

TOGETHER

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 64

Fig. 19: Measuring Resistance Between Circuits At BSM Harness Connector
Courtesy of CHRYSLER LLC

1. Using an Ohm meter, measure the resistance between the D764 and D765 circuits at the BSM

harness connector.

Is the resistance below 10K Ohms?

Yes



Repair the D764 and D765 circuits for a short together.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 65



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
LEFT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 68

Fig. 21: Measuring Voltage Across Circuits At Left Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 69

Fig. 22: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

Yes



Go to Step 4.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 70



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

Fig. 23: Measuring Resistance Between Ground & Ground Circuit At Left Rear Blind Spot Sensor
Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Using an Ohm meter, measure the resistance between ground and the (Z907) Ground circuit at the

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 71

Left Rear Blind Spot Sensor harness connector.

Is the resistance below 100 Ohms?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 72

Fig. 24: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an Ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 73

Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1193-01-LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-GENERAL
ELECTRICAL FAILURE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 74



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 76

Fig. 26: Measuring Voltage Across Circuits At Left Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 77

Fig. 27: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

Yes



Go to Step 4.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 78



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

Fig. 28: Measuring Resistance Between Ground & Ground Circuit At Left Rear Blind Spot Sensor
Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Using an Ohm meter, measure the resistance between ground and the (Z907) Ground circuit at the

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 79

Left Rear Blind Spot Sensor harness connector.

Is the resistance below 100 Ohms?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 80

Fig. 29: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an Ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 81

Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1193-87-LOST COMMUNICATION WITH DRIVER SIDE BLIND SPOT SENSOR-MISSING
MESSAGE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 82



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 84

Fig. 31: Measuring Voltage Across Circuits At Left Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 85

Fig. 32: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

Yes



Go to Step 4.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 86



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

Fig. 33: Measuring Resistance Between Ground & Ground Circuit At Left Rear Blind Spot Sensor
Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Using an ohm meter, measure the resistance between ground and the (Z907) Ground circuit at the

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 87

Left Rear Blind Spot Sensor harness connector.

Is the resistance below 100 Ohms?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 88

Fig. 34: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 89

Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1194-00-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 90



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 92

Fig. 36: Measuring Voltage Across Circuits At Right Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 93

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

Fig. 37: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:43 PM

Page 94

Yes



Go to Step 4.



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 95

Is the resistance below 100 Ohms?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 97

Fig. 39: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 98



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1194-01-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR-GENERAL
ELECTRICAL FAILURE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 99



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 101

Fig. 41: Measuring Voltage Across Circuits At Right Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 102

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

Fig. 42: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 103

Yes



Go to Step 4.



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 104

Is the resistance below 100 Ohms?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 106

Fig. 44: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 107



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1194-87-LOST COMMUNICATION WITH PASSENGER SIDE BLIND SPOT SENSOR- MISSING
MESSAGE

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 108



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 110

Fig. 46: Measuring Voltage Across Circuits At Right Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 111

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

Fig. 47: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 112

Yes



Go to Step 4.



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 113

Is the resistance below 100 Ohms?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 115

Fig. 49: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 116



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1434-82-IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-ALIVE /
SEQUENCE COUNTER INCORRECT / NOT UPDATED

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 117



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 119

Fig. 51: Measuring Voltage Across Circuits At Left Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 120

Fig. 52: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

Yes



Go to Step 4.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 121



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

Fig. 53: Measuring Resistance Between Ground & Ground Circuit At Left Rear Blind Spot Sensor
Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Using an ohm meter, measure the resistance between ground and the (Z907) Ground circuit at the

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 122

Left Rear Blind Spot Sensor harness connector.

Is the resistance below 100 Ohms?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 123

Fig. 54: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 124

Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1434-8F-IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR-ERRATIC

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 125



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Left Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 127

Fig. 56: Measuring Voltage Across Circuits At Left Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Left Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Left Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 128

Fig. 57: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

Yes



Go to Step 4.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 129



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

Fig. 58: Measuring Resistance Between Ground & Ground Circuit At Left Rear Blind Spot Sensor
Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Using an ohm meter, measure the resistance between ground and the (Z907) Ground circuit at the

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 130

Left Rear Blind Spot Sensor harness connector.

Is the resistance below 100 Ohms?

Yes



Replace the Left Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 131

Fig. 59: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 132

Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1435-82-IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT SENSOR-ALIVE /
SEQUENCE COUNTER INCORRECT / NOT UPDATED

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 133



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 135

Fig. 61: Measuring Voltage Across Circuits At Right Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 136

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

Fig. 62: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 137

Yes



Go to Step 4.



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 138

Is the resistance below 100 Ohms?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 140

Fig. 64: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 141



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1435-8F-IMPLAUSIBLE DATA RECEIVED FROM PASSENGER BLIND SPOT SENSOR-
ERRATIC

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 142



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Blind Spot Module (BSM) does not receive messages from the Right Rear Blind Spot Sensor.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Go to Step 2.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2. CHECK THE VOLTAGE OF THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK

CIRCUITS

Possible Causes

(F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN
(Z907) GROUND CIRCUIT OPEN
(D764) BLIND SPOT SENSOR DATA LINK LOW CIRCUIT OPEN
(D765) BLIND SPOT SENSOR DATA LINK HIGH CIRCUIT OPEN
RIGHT REAR BLIND SPOT SENSOR
BLIND SPOT MODULE (BSM)

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 144

Fig. 66: Measuring Voltage Across Circuits At Right Rear Blind Spot Sensor Harness Connector
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the Right Rear Blind Spot Sensor harness connector.

3. Turn the ignition on.

4. Using a volt meter, measure the voltage across the (D764) and (D765) circuits at the Right Rear

Blind Spot Sensor harness connector.

Is Bus voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 145

Yes



Go to Step 3.



Go to Step 5.

3. (F921) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN

Fig. 67: Measuring Voltage Of Fused Ignition Switch Output (RUN) Circuit
Courtesy of CHRYSLER LLC

1. Using a volt meter, measure the voltage of the (F921) Fused Ignition Switch Output (RUN) circuit.

Is voltage present?

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 146

Yes



Go to Step 4.



Repair the (F921) Fused Ignition Switch Output (RUN) circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

4. (Z907) GROUND CIRCUIT OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

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Monday, May 23, 2011 1:51:44 PM

Page 147

Is the resistance below 100 Ohms?

Yes



Replace the Right Rear Blind Spot Sensor in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Repair the (Z907) Ground circuit for an open.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

5. CHECK THE (D764) AND (D765) BLIND SPOT SENSOR DATA LINK CIRCUITS FOR AN

OPEN

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 149

Fig. 69: Measuring Resistance Of Blind Spot Sensor Data Link Circuits
Courtesy of CHRYSLER LLC

1. Turn the ignition off.

2. Disconnect the BSM harness connector.

3. Using an ohm meter, measure the resistance of the (D764) and (D765) circuits.

Is the resistance above 5.0 Ohms?

Yes



Repair the appropriate circuit for an open.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 150



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .



Replace the Blind Spot Module in accordance with the Service Information.



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

U1438-00-ABS MODULE-IMPLAUSIBLE VEHICLE CONFIGURATION RECEIVED

For complete wiring diagrams refer to:



SYSTEM WIRING DIAGRAMS for Town & Country.



SYSTEM WIRING DIAGRAMS for Grand Caravan.



When Monitored:

With the ignition on.

Vehicle speed greater than 6 mph (9.6 km/h).



Set Condition:

Implausible data received from the ABS Module.

Diagnostic Test

1. CHECK FOR ACTIVE DTC

1. Turn the ignition on.

2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes



Replace the ABS Module in accordance with the Service Information.



Perform the ABS VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Antilock Brake (ABS) - Standard Procedure .

Possible Causes

ABS MODULE

NOTE:

Diagnose any ABS Module DTCs before proceeding with the test.

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 151



Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE,
Totally Integrated Power (TIPM) - Standard Procedure .

2009 Dodge Grand Caravan SE

2009 ACCESSORIES AND EQUIPMENT Blind Spot Module (BSM) - Electrical Diagnostics - Grand Caravan, Town &

Country

steve

Monday, May 23, 2011 1:51:44 PM

Page 152