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2009 ACCESSORIES & EQUIPMENT

Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & Country 

DIAGNOSTIC CODE INDEX 

DIAGNOSTIC CODE INDEX 

DIAGNOSIS AND TESTING 

B1438-VOICE RECOGNITION SWITCH STUCK 

For complete wiring diagrams refer to: 

DTC

Description

B1438

VOICE RECOGNITION SWITCH STUCK

B1439

PHONE SWITCH STUCK

B143B

MICROPHONE 1 CIRCUIT LOW

B143C

MICROPHONE 1 CIRCUIT HIGH

B143E

MICROPHONE 2 CIRCUIT LOW

B143F

MICROPHONE 2 CIRCUIT HIGH

B2205

ORIGINAL VIN MISSING/MISMATCH

B2223

(HFM) HANDS FREE PHONE INTERNAL

B222A

VEHICLE LINE MISMATCH

B222E

FLASH CHECKSUM PERFORMANCE

B2230

RAM WRITE PERFORMANCE

U0141

LOST COMMUNICATION WITH IPM (FCM/TIPM)

U0159

LOST COMMUNICATION WITH PARKING ASSIST CONTROL MODULE

U0164

LOST COMMUNICATION WITH HVAC CONTROL MODULE

U0167

LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL 

MODULE

U0184

LOST COMMUNICATION WITH RADIO

U0196

LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT 

CONTROL MODULE - FIRST ROW

U0199

LOST COMMUNICATION WITH DRIVER DOOR MODULE

U0200

LOST COMMUNICATION WITH PASSENGER DOOR MODULE

U0201

LOST COMMUNICATION WITH LEFT REAR DOOR MODULE

U0202

LOST COMMUNICATION WITH RIGHT REAR DOOR MODULE

U0209

LOST COMMUNICATION WITH MEMORY SEAT CONTROL MODULE

U0230

LOST COMMUNICATION WITH POWER LIFTGATE MODULE

U0249

LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT 

CONTROL MODULE - LAST ROW

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 1 

© 2006 Mitchell Repair Information Company, LLC. 

steve 

 

Monday, May 23, 2011 1:54:25 PM

Page 1 

© 2006 Mitchell Repair Information Company, LLC. 

background image

SYSTEM WIRING DIAGRAMS for Town & Country.  

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Phone Module detects the Voice Recognition Switch active for greater than 20 seconds. 

Diagnostic Test 

1. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) 

1. Turn the ignition on.  

2. Using the scan tool, record and erase DTCs.  

3. Press the Voice Recognition Switch three times.  

4. Using the scan tool, read DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Replace the Inside Rearview Mirror in accordance with the appropriate service information.  

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

No  

Test complete.  

B1439-PHONE SWITCH STUCK 

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 

INSIDE REARVIEW MIRROR

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 2 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Set Condition: 

The Hands Free Phone Module detects the Phone Switch active for greater than 20 seconds. 

Diagnostic Test 

1. CHECK FOR AN ACTIVE DTC 

1. Turn the ignition on.  

2. With the scan tool, record and erase DTCs.  

3. Press the Phone switch three times.  

4. With the scan tool, read DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Replace the Inside Rear View Mirror in accordance with the appropriate service information. 

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

No  

Test complete.  

B143B-MICROPHONE 1 CIRCUIT LOW 

Possible Causes 

INSIDE REAR VIEW MIRROR

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 3 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 1: Microphone Circuit Schematic 
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country. 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 4 

© 2006 Mitchell Repair Information Company, LLC. 

background image

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault in any of the microphone circuits. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

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

2. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 

90 seconds per cycle.  

3. Attempt to make a phone call with the system.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Go to 2  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

2. INSIDE REARVIEW MIRROR 

1. Turn the ignition off.  

2. Disconnect the Inside Rearview Mirror harness connector.  

3. Turn the ignition on.  

4. With the scan tool, read the DTCs. 

Does the scan tool display this DTC as active?

Possible Causes 

(X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND
INSIDE REARVIEW MIRROR
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 5 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Yes  

Go to 3  

No  

Replace the Inside Rearview Mirror in accordance with the appropriate service information.  

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

3. (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 6 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 2: Checking Microphone 1 Circuit For Short To Ground
Courtesy of CHRYSLER LLC
 

1. Turn the ignition off.  

2. Disconnect the Hands Free Module harness connector.  

3. Measure the resistance between ground and the (X712) Microphone 1 circuit. 

Is the resistance below 10K ohms? 

Yes  

Repair the (X712) Microphone 1 circuit for short to ground.  

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

No  

Replace the Hands Free Module in accordance with the appropriate service information.  

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

B143C-MICROPHONE 1 CIRCUIT HIGH 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 7 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 3: Microphone Circuit Schematic 
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country. 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 8 

© 2006 Mitchell Repair Information Company, LLC. 

background image

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault in any of the microphone circuits. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

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

2. Cycle the ignition switch from off to on.  

3. Attempt to make a phone call with the system.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Go to 2  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

2. INSIDE REARVIEW MIRROR 

Possible Causes 

(X712) MICROPHONE 1 IN (+) CIRCUIT OPEN
(X712) MICROPHONE 1 IN (+) CIRCUITS SHORTED TO VOLTAGE
INSIDE REARVIEW MIRROR
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 9 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 4: Identifying Rearview Mirror Harness Connector 
Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Disconnect the Rearview Mirror harness connector.  

3. Turn the ignition on.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 10 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Go to 3  

No  

Replace the Rearview Mirror in accordance with the appropriate service information.  

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

3. (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO VOLTAGE 

Fig. 5: Checking Microphone 1 IN (+) Circuit For Short To Voltage

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 11 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Disconnect the Hands Free Module harness connector.  

3. Turn the ignition on.  

4. Measure the voltage of the (X712) Microphone 1 IN (+) circuit. 

Is voltage present? 

Yes  

Repair the (X712) Microphone 1 IN (+) circuit for a short to voltage.  

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

No  

Go to 4  

4. (X712) MICROPHONE 1 IN (+) CIRCUIT OPEN

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 12 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 6: Checking Microphone 1 IN (+) Circuit For Open 
Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Measure the resistance of the (X712) Microphone 1 IN (+) circuit between the HFM connector and 

the inside rearview mirror connector. 

Is the resistance below 5.0 ohms? 

Yes  

Replace the Hands Free Module in accordance with the appropriate service information. 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 13 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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

No  

Repair the (X712) Microphone 1 IN (+) circuit for an open.  

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

B143E-MICROPHONE 2 CIRCUIT LOW 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 14 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 7: Microphone Circuit Schematic 
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country. 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:21 PM

Page 15 

© 2006 Mitchell Repair Information Company, LLC. 

background image

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault in any of the microphone circuits. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

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

2. Cycle the ignition switch from off to on.  

3. Attempt to make a phone call with the system.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Go to 2  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

2. INSIDE REARVIEW MIRROR 

Possible Causes 

(X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND
INSIDE REARVIEW MIRROR
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 16 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 8: Identifying Rearview Mirror Harness Connector 
Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Disconnect the Inside Rearview Mirror C2 harness connector.  

3. Turn the ignition on.  

4. With the scan tool, read the DTCs. 

Does the scan tool display this DTC as active? 

Yes  

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 17 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Go to 3  

No  

Replace the Inside Rearview Mirror in accordance with the appropriate service information.  

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

3. (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND 

Fig. 9: Checking Microphone 2 Circuit For Short To Ground 
Courtesy of CHRYSLER LLC 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 18 

© 2006 Mitchell Repair Information Company, LLC. 

background image

1. Turn the ignition off.  

2. Disconnect the Hands Free Module harness connector.  

3. Measure the resistance between ground and the (X722) Microphone 2 circuit. 

Is the resistance below 10K ohms? 

Yes  

Repair the (X722) Microphone 2 circuit for short to ground.  

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

No  

Replace the Hands Free Module in accordance with the appropriate service information.  

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

B143F-MICROPHONE 2 CIRCUIT HIGH 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 19 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 10: Microphone Circuit Schematic 
Courtesy of CHRYSLER LLC 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country. 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 20 

© 2006 Mitchell Repair Information Company, LLC. 

background image

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault in any of the microphone circuits. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

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

2. Cycle the ignition switch from off to on.  

3. Attempt to make a phone call with the system.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Go to 2  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

2. INSIDE REARVIEW MIRROR 

Possible Causes 

(X722) MICROPHONE 2 IN (+) CIRCUIT OPEN
(X722) MICROPHONE 2 IN (+) CIRCUITS SHORTED TO VOLTAGE
INSIDE REARVIEW MIRROR
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 21 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 11: Identifying Rearview Mirror Harness Connector 
Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Disconnect the Rearview Mirror harness connector.  

3. Turn the ignition on.  

4. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 22 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Go to 3  

No  

Replace the Rearview Mirror in accordance with the appropriate service information.  

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

3. (X722) MICROPHONE IN 2 (+) CIRCUIT SHORTED TO VOLTAGE 

Fig. 12: Checking Microphone IN (+) Circuit For Short To Voltage 
Courtesy of CHRYSLER LLC 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 23 

© 2006 Mitchell Repair Information Company, LLC. 

background image

1. Turn the ignition off.  

2. Disconnect the Hands Free Module harness connector.  

3. Turn the ignition on.  

4. Measure the voltage of the (X722) Microphone IN 2 (+) circuit. 

Is voltage present? 

Yes  

Repair the (X722) Microphone IN 2 (+) circuit for a short to voltage.  

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

No  

Go to 4  

4. (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 24 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 13: Checking Microphone 2 IN (+) Circuit For Open 
Courtesy of CHRYSLER LLC 

1. Turn the ignition off.  

2. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the HFM connector and 

the inside rearview mirror connector. 

Is the resistance below 5.0 ohms? 

Yes  

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 25 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Replace the Hands Free Module in accordance with the appropriate service information.  

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

No  

Repair the (X722) Microphone 2 IN (+) circuit for an open.  

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

B2205-ORIGINAL VIN MISSING/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. 

Set Condition: 

The Hands Free Module will receive and monitor the VIN message from the PCM and record the VIN if 
different from the last VIN. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

1. Turn the ignition on.  

2. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Go to 2.  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 

Possible Causes 

INCORRECT VIN PROGRAMMED IN PCM
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 26 

© 2006 Mitchell Repair Information Company, LLC. 

background image

harness connectors. Look for broken, bent, pushed out, or corroded terminals. 

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

2. CHECK VIN IN PCM 

1. With the scan tool compare the VIN that is programmed into the PCM to the VIN on the vehicle. 

Does the VIN programmed into the PCM match the vehicles VIN? 

Yes  

Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program 
the Hands Free Module in accordance with the appropriate service information.  

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

No  

Program the correct VIN in the PCM and retest the HFM system.  

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

B2223-(HFM) HANDS FREE PHONE INTERNAL 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country.  

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault during an internal diagnostic check. 

Diagnostic Test 

1. REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE 

1. Turn the ignition on.  

2. With the scan tool, read the active DTCs. 

Possible Causes 

HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 27 

© 2006 Mitchell Repair Information Company, LLC. 

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Does the scan tool display this DTC as active?

Yes  

Replace and program the Hands Free Module in accordance with the appropriate service 
information.  

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

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

B222A-VEHICLE LINE 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. 

Set Condition: 

The Hands Free Module will receive and monitor the vehicle line message from the PCM and record the 
vehicle line if different from the last vehicle line. 

Diagnostic Test 

1. CHECK FOR ACTIVE DTC 

1. Turn the ignition on.  

2. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Possible Causes 

PCM
HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 28 

© 2006 Mitchell Repair Information Company, LLC. 

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Go to 2.  

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

2. CHECK VEHICLE LINE IN PCM 

1. With the scan tool compare the vehicle line that is programmed into the PCM to the vehicle line of 

the vehicle. 

Does the vehicle line programmed into the PCM match the vehicle? 

Yes  

Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program 
the Hands Free Module in accordance with the appropriate service information.  

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

No  

Replace and program the Powertrain Control Module in accordance with the appropriate 
service information. Ensure the PCM is replaced with the correct vehicle line PCM.  

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

B222E-FLASH CHECKSUM PERFORMANCE 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country.  

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault during an internal diagnostic check. 

Possible Causes 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 29 

© 2006 Mitchell Repair Information Company, LLC. 

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Diagnostic Test 

1. REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE 

1. Turn the ignition on.  

2. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Replace and program the Hands Free Module in accordance with the appropriate service 
information.  

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

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

B2230-RAM WRITE PERFORMANCE 

For complete wiring diagrams refer to: 

SYSTEM WIRING DIAGRAMS for Town & Country.  

SYSTEM WIRING DIAGRAMS for Grand Caravan.  

When Monitored: 

With the ignition on. 

Set Condition: 

The Hands Free Module detects a fault during an internal diagnostic check. 

Diagnostic Test 

1. REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE

HANDS FREE MODULE

Possible Causes 

HANDS FREE MODULE

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 30 

© 2006 Mitchell Repair Information Company, LLC. 

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1. Turn the ignition on.  

2. With the scan tool, read the active DTCs. 

Does the scan tool display this DTC as active? 

Yes  

Replace and program the Hands Free Module in accordance with the appropriate service 
information.  

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

No  

If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring 
harness connectors. Look for broken, bent, pushed out, or corroded terminals.  

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

U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) 

 

2009 Dodge Grand Caravan SE 

2009 ACCESSORIES & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 31 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 14: IPM (FCM/TIPM) 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 32 

© 2006 Mitchell Repair Information Company, LLC. 

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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 TIPM for approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module 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.  

No  

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

U0159-LOST COMMUNICATION WITH PARKING ASSIST CONTROL MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 33 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 15: Parking Assist Control Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 34 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Park Assist Control Module (PTS) for approximately two to five 
seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0159-Lost Communication with Parking Assist 
Control Module diagnostic procedure.  

No  

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

U0164-LOST COMMUNICATION WITH HVAC CONTROL MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
PTS
PTS 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 35 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 16: HVAC Control Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 36 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 HVAC for approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0164-Lost Communication with HVAC Control 
Module diagnostic procedure.  

No  

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

U0167-LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
HVAC
HVAC 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 37 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 17: Intrusion Transceiver Control Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 38 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Intrusion Transceiver Module (ITM) for approximately two to five 
seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0167-Lost Communication with diagnostic 
procedure.  

No  

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

U0184-LOST COMMUNICATION WITH RADIO 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
INTRUSION TRANSCEIVER MODULE (ITM)
ITM 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 39 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 18: Radio 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 40 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Hands Free Module (HFM) 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.  

No  

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

U0196-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE - 
FIRST ROW 

Possible Causes 

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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 41 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 19: Vehicle Entertainment Control Module - First Row 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 42 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Vehicle Entertainment Control Module - First Row for 
approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0196-Lost Communication with Vehicle 
Entertainment Control Module - First Row diagnostic procedure.  

No  

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

U0199-LOST COMMUNICATION WITH DRIVER DOOR MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
VEHICLE ENTERTAINMENT CONTROL MODULE - FIRST ROW
VEHICLE ENTERTAINMENT CONTROL MODULE - FIRST ROW 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 43 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 20: Driver Door Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 44 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Driver Door Module (DDM) for approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0199-Lost Communication with Driver Door 
Module diagnostic procedure.  

No  

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

U0200-LOST COMMUNICATION WITH PASSENGER DOOR MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
DRIVER DOOR MODULE (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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 45 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 21: Passenger Door Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 46 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Passenger Door Module (PDM) for approximately two to five 
seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0200-Lost Communication with Passenger Door 
Module diagnostic procedure.  

No  

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

U0201-LOST COMMUNICATION WITH LEFT REAR DOOR MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
PASSENGER DOOR MODULE (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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 47 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 22: Left Rear Door Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 48 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Left Rear Door Module for approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0201-Lost Communication with Left Rear Door 
Module diagnostic procedure.  

No  

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

U0202-LOST COMMUNICATION WITH RIGHT REAR DOOR MODULE  

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
LEFT REAR DOOR MODULE
LEFT REAR DOOR MODULE 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 49 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 23: Right Rear Door Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 50 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Right Rear Door Module for approximately two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0202-Lost Communication with Right Rear Door 
Module diagnostic procedure.  

No  

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

U0209-LOST COMMUNICATION WITH MEMORY SEAT CONTROL MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
RIGHT REAR DOOR MODULE
RIGHT REAR DOOR MODULE 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 51 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 24: Memory Seat Control Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 52 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Memory Seat Control Module (MSMD) for approximately two to 
five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Phone Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0209-Lost Communication with Memory Seat 
Control Module diagnostic procedure.  

No  

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

U0230-LOST COMMUNICATION WITH POWER LIFTGATE MODULE 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
MSMD
MSMD 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 53 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 25: Power Liftgate Module 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 54 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Power Liftgate Module (PLGM) for approximately two to five 
seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Phone Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0230-Lost Communication with Power Liftgate 
Module diagnostic procedure.  

No  

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

U0249-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE - 
LAST ROW 

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
POWER LIFTGATE MODULE (PLGM)
PLGM 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 55 

© 2006 Mitchell Repair Information Company, LLC. 

background image

Fig. 26: Vehicle Entertainment Control Module - Last Row 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 56 

© 2006 Mitchell Repair Information Company, LLC. 

background image

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 Vehicle Entertainment Control Module - Last Row for approximately 
two to five seconds. 

Diagnostic Test 

1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE 

1. With the scan tool, read active Hands Free Phone Module (HFM) DTCs. 

Is this DTC active? 

Yes  

Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - 
Diagnosis and Testing
 and perform the U0249-Lost Communication with Vehicle 
Entertainment Control Module - Last Row diagnostic procedure.  

No  

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

Possible Causes 

BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
VEHICLE ENTERTAINMENT CONTROL MODULE - LAST ROW
VEHICLE ENTERTAINMENT CONTROL MODULE - LAST ROW 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 & EQUIPMENT Hands Free Module (HFM) - Electrical Diagnostics - Grand Caravan, Town & 

Country

  

steve 

 

Monday, May 23, 2011 1:54:22 PM

Page 57 

© 2006 Mitchell Repair Information Company, LLC.