Code No.U0019 Bus off(CAN-B)


caution
  • If diagnosis code No. U0019 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.

DIAGNOSTIC FUNCTION



JUDGEMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of CAN bus line
  • Malfunction of the combination meter
  • Malfunction of wiring harness or connector