C220C

C220C-00-ACTIVE SUSPENSION MODULE INTERNAL

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The Active Damping Control Module (ADCM) continuously monitors internal hardware circuitry for defects. The Service Air Suspension Message will be displayed on the cluster when this fault is first active.

- When Monitored:
Continuously.

- Set Condition:
Detection of RAM, ROM, EEPROM, Watchdog, no current calibration, or high side switch defect recognized.





ACTIVE DAMPING CONTROL MODULE (ADCM) INTERNAL CONDITION
1. The ADCM is reporting internal errors.

NOTE: Before continuing, check the Air Suspension Control Module (ADCM) 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 Technical Service Bulletins that may apply.

Were there any problems found?

Yes

- Repair as necessary.
- Perform the ADCM VERIFICATION TEST. Active Damping Control Module (ADCM) Verification Test.

No

- Replace the Active Damping Control Module (ADCM). Active Damping Control Module - Removal.
- Perform the ADCM VERIFICATION TEST. Active Damping Control Module (ADCM) Verification Test.