INTELLIGENT PARKING ASSIST SYSTEM, Diagnostic DTC:C164A

DTC Code DTC Name
C164A EPS Communication Malfunction

DESCRIPTION

The power steering system receives intelligent parking assist system information from the parking assist ECU via CAN communication. This DTC is stored if the parking assist ECU receives abnormal signals from the power steering ECU assembly.

DTC No. DTC Detection Condition Trouble Area
C164A EPS communication malfunction

  • Parking assist ECU

  • Power steering system

  • Power steering ECU assembly

INSPECTION PROCEDURE

Note


  • When the "System initializing" message is displayed on the navigation ECU sub-assembly after the auxiliary battery cable has been disconnected, correct the steering angle neutral point Click here.

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the intelligent parking assist system may be needed Click here.

  • If initialization is necessary while performing an inspection, perform initialization first and then proceed to the next step.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C164A is output A
      DTCs are not output B

      Tech Tips


      • If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary communication problem between the parking assist ECU and power steering ECU.

      • If DTC C164A is output frequently, duplicate the problem symptoms and perform the inspection again, even though the DTCs are not output when rechecking for DTCs Click here.


    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. REPLACE PARKING ASSIST ECU


    1. Replace the parking assist ECU Click here.


    NEXT

  3. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C164A is output A
      DTCs are not output B

    B

    END

    A

  4. CHECK DTC OUTPUT (POWER STEERING SYSTEM)


    1. Check for power steering system DTCs.

      Tech Tips

      Power steering System Click here.

      Result
      Result Proceed to
      DTCs are not output A
      Power steering system DTC is output B

    B

    GO TO POWER STEERING SYSTEM Click here

    A

    REPLACE POWER STEERING ECU ASSEMBLY Click here