Diesel Data: Automotive Repair

CMTC Internal Failure

SYMPTOM
CMTC INTERNAL FAILURE

WHEN MONITORED
When a SELF TEST command is received from the DRBIII, the CMTC performs a series of tests on the microprocessor, compass coil and internal circuity.

SET CONDITION
The code will be set, if during the self test the CMTC detects a problem with the microprocessor, compass coil or the internal circuitry.

POSSIBLE CAUSES
- CMTC/EVIC internal failure

Repair Instructions:

CMTC/EVIC INTERNAL FAILURE
When the trouble code FAILED SELF TEST is displayed, replace the CMTC or EVIC as required. If the vehicle is equipped with TPM, the EVIC must be retrained. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test