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POWER STEERING SYSTEM, Diagnostic DTC:C1554

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DTC Code DTC Name
C1554 Power Supply Relay Failure
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DESCRIPTION

If the power steering ECU detects these DTCs, it will shut off the motor relay circuit (built into the power steering ECU) and stops power assist.

DTC No. DTC Detection Condition Trouble Area
C1554 Power source relay circuit malfunction Power steering ECU
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INSPECTION PROCEDURE

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PROCEDURE


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    RECONFIRM DTC


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      DTC is not output.

  2. Click here

    REPLACE POWER STEERING ECUClick here

  3. Click here

    CHECK INTERMITTENT PROBLEMS