C1138 - 4-Wheel Active Steer Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

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

Possible symptoms

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

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.
OBDII Code C1138 - 4-Wheel Active Steer Circuit - AutoCodes.com

C1138 Information for specific makes

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C1138 Comments

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