Diagnostic Test
- VERIFY THE DTC IS ACTIVE NOTE:
This DTC must be active for the results of this test to be valid.
- BODY CONTROL MODULE (BCM) COMMUNICATION DTCS PRESENT
- With the scan tool, view ALL DTCs.
Are there any BCM Communication DTCs present in other Modules?
Yes
- Using the schematics as a guide, check the Body Control Module (BCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
No
- Using the schematics as a guide, check the RBC pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Regenerative Brake Controller (RBC) in accordance with the Service Information.
- Perform the RBC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, view ALL DTCs.
- INTERMITTENT WIRING AND CONNECTORS
- Using the wiring diagram/schematic as a guide, inspect the wiring harness and connectors.
- Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
- Look for the data to change or for the DTC to reset during the wiggle test.
- While monitoring the scan tool data relative to this circuit, move the selector switch to each position several times.
- Look for the data to change other than as expected or for the DTC to reset.
Were any problems found?
Yes
- Repair as necessary.
- Perform the RBC VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time.