NAVIGATION SYSTEM, Diagnostic DTC:B15F8

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

DESCRIPTION

This DTC is stored when items controlled by the front power seat switch cannot be customized via the navigation system vehicle customization screen.

Tech Tips

The front power seat switch controls the front power seat control system (w/ Memory) related items that are customizable via the multi-display assembly screen.

DTC No. DTC Detection Condition Trouble Area
B15F8 Front power seat switch vehicle setting processing error

  • CAN communication system

  • Front power seat control system (w/ Memory)

  • Front power seat switch LH

  • Multi-media module receiver assembly

INSPECTION PROCEDURE

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precautions for Navigation 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.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

  2. CHECK FRONT POWER SEAT CONTROL SYSTEM (w/ Memory)


    1. Check if the front power seat control system (w/ Memory) is malfunctioning Click here.

      Tech Tips

      Customization may not be possible depending on the malfunction in the front power seat control system (w/ Memory).

      OK
      No malfunctions are present in the front power seat control system (w/ Memory).

    NG

    GO TO FRONT POWER SEAT CONTROL SYSTEM (w/ Memory) Click here

    OK

  3. CHECK CUSTOMIZE INFORMATION


    1. Display the "Other Vehicle Settings" screen.

    2. Make a note of the customizable items for the front power seat control system (w/ Memory).

      Tech Tips

      These front power seat control system (w/ Memory) items shown as customizable via the multi-display assembly vehicle customization screen can also be changed using the GTS. In the following step, use the GTS.


      1. To match-up the items on the multi-display assembly with the items on the GTS, check the customize parameters list for the front power seat control system (w/ Memory) related items that can be customized via the multi-display assembly screen Click here.

    3. Using the GTS, confirm that it is possible to change the settings of the front power seat control system (w/ Memory) related customize parameters that are shown as customizable via the multi-display assembly screen.

      OK
      The items available for customization via the multi-display assembly screen can be customized successfully using the GTS.

    NG

    REPLACE FRONT POWER SEAT SWITCH LH Click here

    OK

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here