C1255
CIRCUIT DESCRIPTION
This DTC identifies a malfunction within the EBCM. It also ensures the cause of the malfunction is not a result of a malfunction with the electronic brake control relay.
CONDITIONS FOR SETTING THE DTC
DTC C1255 is set when an internal EBCM malfunction exists.
ACTION TAKEN WHEN THE DTC SETS
A malfunction DTC is stored, ABS is disabled, and the ABS indicator lamp is turned ON.
CONDITIONS FOR CLEARING THE DTC
Conditions for the malfunction are no longer present and the scan tool CLEAR DTCs function is used. One hundred ignition switch key cycles have passed with no malfunctions detected.
DIAGNOSTIC AIDS
The frequency of the malfunction can be checked by using the ENHANCED DIAGNOSTIC function of the scan tool.
After diagnosis is complete, clear the DTCs and test drive the vehicle for three drive cycles to verify that the DTC does not reset. A Drive Cycle consists of starting the vehicle, driving over 16 Kph (10 mph) and then turning the ignition switch to the OFF position.