C1492 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1492 – Power Transfer Unit Internal Performance


C1492 Possible Symptoms


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


C1492 Possible Causes


Faulty Power Transfer Unit (PTU) Actuator,Power Transfer Unit (PTU) Actuator harness is open or shorted,Power Transfer Unit (PTU) Actuator circuit poor electrical connection


C1492 Description


The Drive Train Control Module (DTCM) monitors the Power Transfer Unit (PTU). The DTCM sets the OBDII code when it detects an internal failure in the Power Transfer Unit.