C1493 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1493 – Rear Driveline Module Internal Performance


C1493 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1493 Possible Causes


Faulty Rear Driveline Module (RDM),Rear Driveline Module (RDM) harness is open or shorted,Rear Driveline Module (RDM) circuit poor electrical connection


C1493 Description


The Drive Train Control Module (DTCM) monitors the Rear Driveline Module (RDM). The DTCM sets the OBDII code when it detects an internal failure in the Rear Driveline Module (RDM).