Code No. U1073 Bus-off (SUB)
caution
If diagnosis code 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 JUDGEMENT
When gateway-ECU has ceased the CAN (SUB) communication (bus off), code No.U1073 is set.
PROBABLE CAUSES
The CAN (SUB) bus line is defective.
Malfunction of the gateway-ECU
ECU malfunction of other system