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DTC U1073 Bus-off (CAN-C)
 
 
caution
  • If DTC U1073 is set in the gateway-ECU, surely perform CAN bus line diagnosis.
  • Replace ECU after certainly confirming that the communication circuits are normal.
 
 
TROUBLE JUDGMENT
When gateway-ECU has ceased the CAN (CAN-C) communication (bus off), DTC U1073 is set.
 
 
TROUBLESHOOTING HINTS
  • The CAN (CAN-C) bus line is defective.
  • Malfunction of the gateway-ECU
  • ECU malfunction of other system