AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B15F8

DTC Code DTC Name
B15F8 D-Seat ECU Vehicle Information Reading/Writing Process Malfunction

DESCRIPTION

This DTC is stored when items controlled by the position control ECU assembly (driver seat) cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The position control ECU assembly (driver seat) controls the front power seat control system related items that are customizable via the multi-display screen.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15F8 D-Seat ECU Vehicle Information Reading/Writing Process Malfunction Position control ECU assembly (driver seat) vehicle setting processing malfunction

  • CAN communication system

  • Front power seat control system

  • Radio receiver assembly

CAUTION / NOTICE / HINT

Note

The following malfunctions may occur if a radio receiver assembly from another vehicle is installed to this vehicle. Therefore, when replacing the radio receiver assembly, be sure to replace it with new one.


  • Communication malfunction DTC is output

  • Does not operate normally

Tech Tips

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      OK
      CAN communication DTCs are not output.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK FRONT POWER SEAT CONTROL SYSTEM


    1. Check if the front power seat control system is malfunctioning.

      Click here

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system.

      OK
      No malfunctions are present in the front power seat control system.
      Result
      Proceed to
      OK
      NG

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM Click here

    OK

  3. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here