POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM, Diagnostic DTC:B2621

DTC Code DTC Name
B2621 Communication Interruption

DESCRIPTION

The multiplex tilt and telescopic ECU forms a network with the ECUs of other systems through the CAN communication bus. Each ECU informs the other ECUs that it is connected to the network by outputting a specified signal (periodic signal) onto the CAN communication bus on a regular schedule. The multiplex tilt and telescopic ECU detects the connection of each ECU based on the signal.

DTC No. Detection Item Trouble Area
B2621 Periodic signal from the specified ECU has stopped.

  • CAN communication system

  • Multiplex tilt and telescopic ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)


    1. Check if CAN communication system DTC is output Click here.

      Result
      Result Proceed to
      DTC is output. A
      DTC is not output. (for LHD) B
      DTC is not output. (for RHD) C

    B

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Click here

    C

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Click here

    A

    GO TO CAN COMMUNICATION SYSTEM Click here