POWER STEERING SYSTEM, Diagnostic DTC:C1582/26

DTC Code DTC Name
C1582/26 Assist Map Number Mismatch

DESCRIPTION

When an incorrect power management control ECU is installed after the assist map has been recorded in the power steering ECU assembly, then DTC C1582/26 is stored because the data does not match the vehicle specifications.

DTC No. DTC Detection Condition Trouble Area
C1582/26 Assist map number mismatch

  • Power steering ECU assembly

  • CAN communication system

  • Power management control ECU

CAUTION / NOTICE / HINT

Note

If the power steering ECU assembly has been replaced with a new one, perform assist map writing and rotation angle sensor value initialization torque sensor zero point calibration after performing the initialization of the torque sensor zero point value Click here.

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


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

      OK
      DTC is not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK POWER MANAGEMENT CONTROL ECU


    1. Check if a power management control ECU that complies with the vehicle specifications is installed.

      OK
      A power management control ECU that complies with vehicle specifications is installed.

    OK

    REPLACE POWER STEERING ECU ASSEMBLY Click here

    NG

    REPLACE POWER MANAGEMENT CONTROL ECU Click here