Code No. B1161 Chassis No. mismatch



caution
  • When the diagnosis code No.B1161 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.

DIAGNOSTIC FUNCTION


When the chassis number registered in OSS-ECU is different from the chassis number transmitted by engine-ECU on the CAN bus line, OSS-ECU sets the diagnosis code No.B1161.

JUDGEMENT CRITERIA


Check Conditions
  1. Power supply mode: ON
  2. Chassis number written in OSS-ECU
Judgment Criterion

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


1.M.U.T.-III CAN bus diagnosis
2.Check of chassis number in engine-ECU
3.OSS-ECU diagnosis code recheck