Diagnostic Test
CHECK THE VEHICLE CONFIGURATION
NOTE:
The DTC must be active and no BUS communication DTCs present before performing this test. If BUS communication DTCs are present, perform their respective test first. If the DTC is stored, erase the DTC and cycle the ignition. If the DTC resets and changes to active, then proceed.
- With the scan tool, check the vehicle configuration stored in the Body Control Module (BCM).
- With the scan tool, check the vehicle configuration stored in the ADCM.
Pick the answer that best describes your findings:
BCM has wrong or no vehicle configuration.
- With the scan tool, program the proper vehicle configuration in the BCM.
- Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
ADCM has wrong vehicle configuration but BCM has correct configuration.
- 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 .
ADCM and BCM have proper calibration and the DTC is active in the ADCM.
- Check if other modules such as the Powertrain Control Module (PCM) have the wrong configuration stored in the controller and reprogram or replace as necessary. If all other modules show the proper configuration, 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 .