C1138 – 4-Wheel Active Steer Circuit

C1138 Possible Symptoms

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

C1138 Possible Causes

Faulty Anti-Lock Brake System (ABS) Actuator and Control Unit,4WAS System

C1138 Description

The ABS actuator and electric unit (control unit) and the 4-Wheel Active Steer (4WAS) control unit exchange signals via the Controlled Area Network (CAN) communication line.