DTC 71: ABS Control Module Internal Fault

ABS CONTROL MODULE INTERNAL FAULT





Circuit Description
The ABS control module performs various diagnostic checks on itself. If it finds a problem, it sets DTC 71.

Diagnosis
This procedure checks whether there is a poor ground connection for the electronic brake control module (EBCM).

Cause(s)
- A connector terminal is corroded.
- The EBCM is malfunctioning.

Fail Action
ABS is disabled, and the ABS warning lamp is turned ON. If the failure is intermittent, the control module will enable the system at the next ignition cycle and will store a history DTC 71.

Test Description
The number(s) below refer to step(s) on the diagnostic table.
3. This step begins the testing for a poor voltage or ground connection.

Diagnostic Aids
It is very important to perform a thorough inspection of the wiring and the connectors. Failure to inspect the wiring and the connectors carefully and completely may result in misdiagnosis, causing part replacement with the reappearance of the malfunction.





DTC 71 - ABS Control Module Internal Fault