Code No.U1073: Bus-Off


caution
  • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines.
  • Whenever the ECU is replaced, ensure that the CAN bus lines are normal.

DIAGNOSIS CODE SET CONDITION




  • CAN C-bus off interruption is detected.

PROBABLE CAUSES



  • The CAN bus line is defective.
  • ECU malfunction of other system
  • Malfunction of 4WD-ECU
    note Check the following contents, before replace the 4WD-ECU.

    • Check M.U.T.-III to diagnose the CAN bus lines.
    • Check whether the diagnosis trouble code No.U1073 is reset.