Diagnostic Test
- BODY CONTROL MODULE (BCM) CAN BUS DTCS ARE PRESENT
- POWERTRAIN CONTROL MODULE (PCM) DTCS ARE PRESENT
- With the scan tool, read PCM DTCs and record on the repair order.
Are there any PCM DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Refer to DTC INDEX .
No
- Using the schematics as a guide, check the ADCM 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 Active Damping Control Module (ADCM) Module 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, read PCM DTCs and record on the repair order.