DTC No.U1073: Bus-Off
caution
If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines.
Whenever the ECU is replaced, ensure that the CAN bus lines are normal.
DTC SET CONDITION
This DTC is set when the abnormality below is detected:
CAN C-bus off interruption is detected.
TROUBLESHOOTING HINTS
The CAN bus line is defective.
ECU malfunction of other system
Malfunction of AWD-ECU
note
Check the following contents, before replace the AWD-ECU.
Check scan tool (M.U.T.-III) to diagnose the CAN bus lines.
Check whether the diagnosis trouble code No.U1073 is set again.