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DTC U119A: VIN mismatch
 
 
caution
  • If DTC U119A is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the SRS circuit is normal.
 
 
FUNCTION
If the registered VIN is different from that transmitted on the CAN-C-Mid bus lines, the SRS-ECU will set DTC U119A.
 
 
TROUBLE JUDGMENT
If the VIN stored in the SRS-ECU does not comply with that transmitted in CAN-C-Mid bus lines, the SRS-ECU determines that a problem has occurred.
 
 
TROUBLESHOOTING HINTS
  • VIN not written
  • Malfunction of CAN bus line
  • Malfunction of engine control module
  • Malfunction of SRS-ECU
 
 
DIAGNOSIS
1. Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
2. Using scan tool (M.U.T.-IIISE), check whether the other system DTC is set.
3. Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.