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DTC U1F51 CAN2 Bus-off
 
 
caution
  • If DTC U1F51 is set in the gateway-ECU, always diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DTC SET CONDITIONS
Check Condition
  • Turn the ignition switch to the "ON" position.
Judgment Criterion
  • CAN bus line [Sub (2ch)] off status is detected for 3 times continuously.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of the CAN bus line [Sub (2ch)]
  • Malfunction of the gateway-ECU