C15A1

C15A1-00-UNABLE TO OBTAIN DESIRED RIDE HEIGHT

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

- When Monitored:
With the ignition on.

- Set Condition:
When the Air Suspension Control Module (ASCM) detects that the desired ride height has not been achieved after 20 seconds.





Diagnostic Test
AIR SUSPENSION CONTROL MODULE (ASCM)
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 Technical Service Bulletins that may apply.

Were there any problems found?

Yes

- Repair as necessary.
- Perform the ASCM VERIFICATION TEST. ASCM Verification Test.

No

- Replace the Air Suspension Control Module (ASCM). Air Suspension Control Module - Removal.
- Perform the ASCM VERIFICATION TEST. ASCM Verification Test.