PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2064

DTC Code DTC Name
B2064 Vehicle Type Signal Malfunction

DESCRIPTION

The seat belt control ECU is connected to the gateway ECU using CAN communication.

The seat belt control ECU receives vehicle model information from the gateway ECU and determines whether the seat belt buckle switch information from the center airbag sensor assembly is for the driver seat or the passenger seat.

DTC B2064 is output when the CAN communication frame with the gateway ECU is normal and communication is available, but the steering wheel position information is not set or varies.

DTC No. DTC Detection Condition Trouble Area
B2064

  • Communication with the network gateway ECU is normal and received steering wheel position information is not set (three times in succession)

  • Gateway ECU

  • Seat belt control ECU

INSPECTION PROCEDURE

Note

When the seat belt control ECU is replaced with a new one, Initialization must be performed Click here.

PROCEDURE


  1. INITIALIZE SEAT BELT CONTROL ECU


    1. Initialize the seat belt control ECU Click here.


    NEXT

  2. CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)


    1. Clear the DTCs Click here.

    2. Recheck for DTCs.

      OK
      DTC B2064 is not output.

    NG

    REPLACE GATEWAY ECU Click here

    OK

    CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) Click here

  3. REPLACE GATEWAY ECU


    1. Replace the gateway ECU Click here.


    NEXT

  4. CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)


    1. Clear the DTCs Click here.

    2. Recheck for DTCs.

      OK
      DTC B2064 is not output.

    NG

    REPLACE SEAT BELT CONTROL ECU Click here

    OK

    END