C123B

C123B-4B-ESP SYSTEM CONTROL TOO LONG - OVER TEMPERATURE

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

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

- When Monitored:
With the ignition on.

- Set Condition:
When the Anti-lock Brake System (ABS) Module indicates excessive valve control.





Diagnostic Test

1. VERIFY THE DTC IS ACTIVE

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

1. Perform any related Technical Service Bulletins (TSBs) for this DTC.
2. Allow vehicle to sit for 10 minutes before continuing with test.
3. Turn the ignition on.
4. With the scan tool, read and record the DTCs.
5. With the scan tool, read and record the Environmental Data to help identify the conditions in which the DTC was set.
6. With the scan tool, erase the DTCs.
7. Start the engine.
8. With the scan tool, read and record the DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- Perform the ABS-INTERMITTENT CONDITION TEST. Initial Inspection and Diagnostic Overview.

2. ANTI-LOCK BRAKE SYSTEM (ABS) MODULE

NOTE: Check with customer on driving terrain (e.g. mud, snow, ice) for set condition.

1. Visually inspect the ABS Module wiring.
2. Visually inspect the braking system.

Were any problems found?

Yes

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

No

- Replace the Anti-lock Brake System (ABS) Module. Anti-Lock Brake System Module - Removal.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.