Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- VERIFY THE DTC IS ACTIVE NOTE:
If present, diagnose and repair DTC U0001-00-CAN C BUS before diagnosing this DTC.
- Ignition on, engine not running.
- With the scan tool, read and record ADCM DTCs.
- With the scan tool, erase ADCM DTCs.
- Cycle the ignition switch.
- With the scan tool, read ADCM DTCs.
Is the DTC active at this time?
Yes
- Go To 2
No
- Perform the Stored Lost Communication diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .
- CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
- With the scan tool, read all active DTCs from all CAN C Bus modules.NOTE:
Check for CAN C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs.
Does the scan tool display any active DTCs related to the conditions listed above?
Yes
- Diagnose and repair the DTCs. Go To the DTC INDEX .
No
- Go To 3
- With the scan tool, read all active DTCs from all CAN C Bus modules.
- VERIFY THAT THE SAS IS ACTIVE ON THE BUS
- With the scan tool, select ECU View.
- Verify that the SAS is active on the bus.
Is the SCM active on the bus?
Yes
- Go To 4
No
- Perform the Stored Lost Communication diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .
- CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCs
- With the scan tool, select Network View and select Advanced.
Is there more than one module with active DTCs "Logged Against" the SAS?
Yes
- Replace the Steering Column Control Module (SCCM) in accordance with the service information.
No
- Replace the Active Damping Control Module (ADCM) in accordance with the Service Information. Refer to MODULE, ACTIVE DAMPING CONTROL (ADCM), REMOVAL .
- Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- With the scan tool, select Network View and select Advanced.