C0550

DTC C0550: EBCM Internal Fault





Circuit Description
The EBCM performs various diagnostic checks on itself. If it finds a problem, it sets DTC C0550.

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. EBD is disabled. If the failure is intermittent, the control module will enable the system at the next ignition cycle and will store a history DTC C0550.

Test Description
Number(s) below refer to the step number(s) on the Diagnostic Table.
1. 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.

Troubleshooting

Step 1-7:

Step 8-9: