C124F

C124F-00-ESP REQUEST DENIED FROM ACC

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

- When Monitored:
Ignition On.

- Set Condition:
When the Anti-Lock Brake System (ABS) Module detects has determined that there is a disagreement between what PCM is requesting and what ESP thinks it should be requesting.





NOTE: If any PCM DTCs are present, repair them first before continuing with this diagnostic procedure.

1. VERIFY DTC IS ACTIVE

NOTE: This DTC must be active for the results of this test to be valid.

1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- Perform the ABS-INTERMITTENT CONDITION TEST. Testing and Inspection.

2. CHECK FOR ANY CRUISE CONTROL DTCs
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs in the PCM.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs in the PCM.

Are there any cruise control DTCs?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

- Using the schematics as a guide, check the Anti-Lock Brake System (ABS) Module 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 Anti-Lock Brake Module. Anti-Lock Brake System Module - Removal.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.