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
- Repair these DTC's first in accordance with the service information.
- Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Using the schematics as a guide, check the PIM Module 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 Power Inverter Module (PIM) in accordance with the Service Information. Refer to MODULE, POWER INVERTER (PIM), REMOVAL .
- Perform the EVCU 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 EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time.
- Perform the EVCU VERIFICATION TEST. Refer to STANDARD PROCEDURE .