Diagnostic Test

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using the scan tool, record and erase FCM DTCs.
3. Cycle the ignition from on to off three times.
4. Turn the ignition on.
5. Using 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.
2. Disconnect the Antilock Brake Module harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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.
2. Disconnect the Powertrain Control Module C1 harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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 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 .
FINAL DRIVE CONTROL MODULE - INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the FDCM C1 harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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 Final Drive Control Module in accordance with the Service Information.
  - Perform the TRANSFER CASE VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure .
ELECTRIC A/C COMPRESSOR - INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the EAC C1 harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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 Electric A/C Compressor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
HYBRID CONTROL MODULE - INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the HGM C1 harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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 Hybrid Gateway Module (HGM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
POWER STEERING PUMP ASSEMBLY- INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the EPS C2 harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using 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 Power Steering Pump Assembly in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
STEERING ANGLE SENSOR - INTERNAL SHORT
1. Turn the ignition off.
2. Disconnect the Steering Angle Sensor harness connector.
3. Turn the ignition on.
4. Using the scan tool, record and erase FCM DTCs.
5. Cycle the ignition from on to off three times.
6. Turn the ignition on.
7. Using the scan tool, read active FCM DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 9
  No
  - Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Steering Angle Sensor (internal to clockspring) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
(D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking CAN C BUS (+) Circuit
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 10
(D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking CAN C BUS (-) Circuit
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 11
(D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND

Fig 3: Checking CAN C BUS (+) Circuit
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 12
(D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND

Fig 4: Checking CAN C BUS (-) Circuit
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 13
(D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT

Fig 5: Checking 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 .