POWER STEERING SYSTEM, Diagnostic DTC:C1541/13

DTC Code DTC Name
C1541/13 Vehicle Speed Signal

DESCRIPTION

The power steering ECU receives vehicle speed signals from the skid control ECU via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed based on the signals

DTC Code DTC Detection Condition Trouble Area
C1541/13 A vehicle speed signal malfunction.

  • Vehicle stability control system

  • CAN communication system

  • Power steering ECU assembly

INSPECTION PROCEDURE

Note

If the power steering ECU assembly is replaced with a new one, perform assist map writing, clear the motor rotation angle sensor calibration value, initialize the motor rotation angle sensor value and calibrate the torque sensor zero point Click here.

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check if DTC U0129/42 is output Click here.

      Result
      Result Proceed to
      DTC U0129/42 is not output A
      DTC U0129/42 is output for LHD B
      for RHD C

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

  2. CHECK VEHICLE STABILITY CONTROL SYSTEM


    1. Using the GTS, check for DTCs and confirm that there are no problems in the vehicle stability control system Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    A

    REPLACE POWER STEERING ECU ASSEMBLY Click here