DTC U1073: Bus off (CAN-C-Mid)
caution
If DTC No.U1073 is set in the ETACS-ECU, diagnose the CAN bus (CAN-C-Mid) lines.
Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
DTC SET CONDITION
If the ETACS-ECU detects a bus off error (CAN-C-Mid), DTC No. U1073 will be set.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU or its CAN bus (CAN-C-Mid) lines may be defective.
TROUBLESHOOTING HINTS
The ETACS-ECU may be defective
The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
DIAGNOSIS
1.
Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
2.
Recheck the DTC (Check again if the DTC is set in the ETACS-ECU).
3.
Recheck the DTC (Check again if the DTC is set in the ETACS-ECU).
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