Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, record and erase FCM DTCs.
3. Cycle the ignition from on to off 3 times.
4. Turn the ignition on.
5. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
ANTILOCK BRAKE MODULE - INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Antilock Brake Module harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 3
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Antilock Brake Module in accordance with the Service Information.
  - Perform the ABS VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure
POWERTRAIN CONTROL MODULE - INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Powertrain Control Module C1 harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 4
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Powertrain Control Module in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
SHIFT LEVER ASSEMBLY (IF EQUIPPED) - INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Shift Lever Assembly harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 5
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Shift Lever Assembly in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
STEERING CONTROL MODULE - INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Steering Control Module C1 harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 6
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Steering Control Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
FINAL DRIVE CONTROL MODULE (IF EQUIPPED)- INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Final Drive Control Module C2 harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 7
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Final Drive Control Module in accordance with the Service Information.
  - Perform the FDCM VERIFICATION TEST VER. Refer to DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure
OCCUPANT RESTRAINT CONTROLLER- INTERNAL SHORT
1. Turn the ignition off.
  NOTE: Answer yes if the vehicle is not equipped with this module.
2. Disconnect the Occupant Restraint Controller C2 harness connector.
3. Turn the ignition on.
4. With the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off 3 times.
6. Turn the ignition on.
7. With the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 8
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Occupant Restraint Controller in accordance with the Service Information.
  - Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure
(D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking CAN C BUS (+) Circuit Shorted To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Front Control Module C1 harness connector.
3. Turn the ignition on.
4. Measure the voltage between the (D65) CAN C Bus (+) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (D65) CAN C Bus (+) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Go to step 9
(D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking CAN C BUS (-) Circuit Shorted To Voltage
Courtesy of CHRYSLER LLC
1. Measure the voltage between the (D64) CAN C Bus (-) circuit and ground.
  Is there any voltage present?
  
  Yes
  - Repair the (D64) CAN C Bus (-) circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Go to step 10
(D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND

Fig 3: Checking CAN C BUS (+) Circuit Shorted To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between ground and the (D65) CAN C Bus (+) circuit.
  Is any resistance present?
  
  Yes
  - Repair the (D65) CAN C Bus (+) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Go to step 11
(D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND

Fig 4: Checking CAN C BUS (-) Circuit Shorted To Ground
Courtesy of CHRYSLER LLC
1. Measure the resistance between ground and the (D64) CAN C Bus (-) circuit.
  Is any resistance present?
  
  Yes
  - Repair the (D64) CAN C Bus (-) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Go to step 12
(D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT

Fig 5: Checking CAN C BUS (+) Circuit Shorted To CAN C BUS (-) Circuit
Courtesy of CHRYSLER LLC
1. Measure the resistance between the (D65) CAN C Bus (+) circuit and the (D64) CAN C Bus (-) circuit.
  Is any resistance present?
  
  Yes
  - Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Front Control Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure