Code No. U1199: Chassis No. not programmed


caution
  • When diagnosis code No. U1199 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.

FUNCTION



TROUBLE JUDGEMENT



TROUBLESHOOTING HINTS



  • Chassis No. not programmed
  • Malfunction of the SRS-ECU

DIAGNOSIS PROCEDURE
1.M.U.T.-III CAN bus diagnostics
2.Register the Chassis No. and recheck the diagnosis code.