Diagnostic Test

ACTIVE DAMPING CONTROL MODULE (ADCM) INTERNAL CONDITION 

1. The ASCM is reporting internal errors.
   NOTE:

   Before continuing, check the Air Suspension Control Module (ASCM) harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.

2. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.
3. Perform any Service Bulletins that may apply.

   Were there any problems found?

   Yes 

   • Repair as necessary.
   • Perform the ADCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .

   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 .