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DTC U1199: VIN code not programmed
 
 
caution
  • If DTC U1199 is set in the SRS-ECU, diagnose the CAN main bus line.
  • Whenever the ECU is replaced, ensure that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
SRS-ECU sets DTC U1199 when no VIN is recorded in it.
 
 
JUDGMENT CRITERIA
SRS-ECU determines that the abnormality is present when no VIN is recorded in it.
 
 
TROUBLESHOOTING HINTS
  • VIN not programmed
  • Malfunction of the SRS-ECU