Diagnostic Test
- WIRELESS IGNITION NODE (WIN) DTCS PRESENT
- Ignition on, engine not running.
- With the scan tool, read DTCs in the WIN.
Are there any DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Refer to the DTC INDEX .
No
- Replace the Air Suspension Control Module (ASCM) in accordance with the Service Information. Refer to MODULE, AIR SUSPENSION CONTROL, REMOVAL .
- Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .