POWER STEERING SYSTEM, Diagnostic DTC:C1548

DTC Code DTC Name
C1548 Active Steering Control Malfunction

DESCRIPTION

The power steering ECU (rack and pinion power steering gear assembly) sends and receives steering cooperative control information to and from the skid control ECU assembly and VGRS ECU (front steering control ECU)* via CAN communication.


DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note
C1548 Active Steering Control Malfunction There is an active steering control malfunction.

  • Electronically controlled brake system

  • Variable gear ratio steering system

 EPS warning light: Comes on Engine switch on (IG) again -

PROCEDURE


  1. CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM


    1. Check for DTCs.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    A

    GO TO VARIABLE GEAR RATIO STEERING SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    B

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here