C1254 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1254 – Abnormal Shutdown Detected
C1254 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1254 Possible Causes
Faulty Electronic Brake Control Module (EBCM),Electronic Brake Control Module (EBCM) harness is open or shorted,Electronic Brake Control Module (EBCM) circuit poor electrical connection
The microprocessor contains a data storage area, keep alive memory, which can save pertinent data when the ignition is turned OFF. The Keep Alive Memory (KAM) data is lost if the battery power or module ground is removed from the module. The KAM area is an integral part of the microprocessor and cannot be serviced separately.