C1569

C1569-92-RIGHT FRONT RIDE HEIGHT LEVEL PERFORMANCE - PERFORMANCE OR INCORRECT OPERATION (OVERUSE DTC)

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

NOTE: Perform the ASCM PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before diagnosing any overuse DTC's. Initial Inspection and Diagnostic Overview .

- When Monitored:
Ignition on. Battery voltage between 9 and 16 volts.

- Set Condition:
When the Air Suspension Control Module (ASCM) detects the Air Spring Valve as been used for a time exceeding three minutes within the last ten minutes.





NOTE: If DTC C15A1-00 is present also, perform the ASCM PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before diagnosing any overuse DTC's. Initial Inspection and Diagnostic Overview .

Diagnostic Test

1. VERIFY THE DTC IS ACTIVE
1. Turn the ignition on, engine running.
2. Wait ten minutes.
3. With the scan tool, record and erase the DTCs.
4. With the scan tool, read the DTCs in the ASCM.

Is the DTC active at this time?

Yes

- Go To 2

No

- Go To 3

2. AIR SUSPENSION CONTROL MODULE (ASCM)
1. Turn the ignition off to the lock position.
2. Install a known good relay.
3. Turn the ignition on.
4. With the scan tool, erase the DTCs.
5. With the scan tool, read the DTCs.

Does the DTC remain active?

Yes

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

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time.
- Perform the ASCM VERIFICATION TEST. ASCM Verification Test.

3. INTERMITTENT WIRING AND CONNECTORS
1. Using the wiring diagram/schematic as a guide, inspect the wiring harness and connectors.
2. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
3. Look for the data to change or for the DTC to reset during the wiggle test.
4. While monitoring the scan tool data relative to this circuit, move the selector switch to each position several times.
5. Look for the data to change other than as expected or for the DTC to reset.

Were any problems found?

Yes

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

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time.