POWER STEERING SYSTEM, Diagnostic DTC:C1541/13

DTC Code DTC Name
C1541/13 Vehicle Speed Signal

DESCRIPTION

The power steering ECU assembly receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed based on the signals.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note
C1541/13 Vehicle Speed Signal Vehicle speed signals via CAN communication are cut off for 3 seconds or more.

  • Brake control system

  • CAN communication system

  • Power steering ECU assembly

 On After normal confirmation -

CAUTION / NOTICE / HINT

Note

If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.

Click here

PROCEDURE


  1. CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)


    1. Check if DTC U0129/42 is output.

      Click here


      Chassis > EMPS > Trouble Codes
      Result
      Result Proceed to
      U0129/42 is not output A
      U0129/42 is output (for RHD) B
      U0129/42 is output (for LHD) C

    B

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

    C

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

    A

  2. CHECK OTHER DTC OUTPUT (BRAKE CONTROL SYSTEM)


    1. Check for brake control system DTCs.

      Click here


      Chassis > ABS/VSC/TRAC > Trouble Codes
      Result
      Proceed to
      DTCs are not output.
      DTCs are output.

    DTCs are not output.

    REPLACE POWER STEERING ECU ASSEMBLY Click here

    DTCs are output.

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