C1255

CIRCUIT DESCRIPTION
This Diagnostic Trouble Code (DTC) identifies a malfunction within the Electronic Brake and Traction Control Module (EBTCM).

CONDITIONS FOR SETTING THE DTC
Diagnostic Trouble Code (DTC) C1255xx is set when an internal Electronic Brake and Traction Control Module (EBTCM) malfunction exists.

ACTION TAKEN WHEN THE DTC SETS
ABS/TCS/Active Handling (if equipped with RPO JL4) are disabled.
^ Indicators that turn on:
- ABS indicator
- Car Icon (TCS indicator)
^ Messages displayed on the Driver Information Center (DIC):
- Service ABS
- Service Traction System
- Service Active HNDLG (if equipped with Active Handling RPO JL4)

CONDITIONS FOR CLEARING THE DTC
^ Condition for Diagnostic Trouble Code (DTC) is no longer present and Scan tool clear DTC function is used.
^ Fifty ignition cycles have passed with no DTCs detected.

DIAGNOSTIC AIDS
When Diagnostic Trouble Codes (DTC) C1255xx is displayed on the Scan tool, it will be followed by two more numbers which should be noted along with any other DTCs that may be displayed. The additional two numbers displayed with DTC C1255xx are for aiding engineering to determine the cause of the internal malfunction.
^ Make sure the integrity of the connection between the Electronic Brake and Traction Control Module (EBTCM) and the Brake Pressure Modulator Valve (BPMV) is secure, tight, and free from corrosion.





DTC C1255 EBTCM INTERNAL MALFUNCTION