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 ACC is requesting and what ESP thinks it should be requesting.





NOTE: If any ACC 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. ABS Intermittent Condition Test.

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

Are there any ACC 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.