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DTC B1761: VIN not programmed
 
 
caution
  • When DTC B1761 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DTC SET CONDITION
KOS-ECU sets DTC B1761 when no VIN is recorded in it.
 
 
TECHNICAL DESCRIPTION (COMMENT)
KOS-ECU determines that the abnormality is present when no VIN is recorded in it.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of CAN bus line
  • VIN not programmed
  • Malfunction of the KOS-ECU
 
 
DIAGNOSIS
1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
2. Register the VIN and recheck the diagnostic trouble code.