DTC U1073 Bus-off
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.
PROBABLE CAUSES
The CAN (CAN-C) bus line is defective.
Malfunction of the gateway-ECU
ECU malfunction of other system
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