caution | - If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be stored. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C, CAN Bus Diagnostics Table ).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- When DTC U1415 is stored in the AWD-ECU, the diagnostic trouble code may also be stored in ETACS-ECU. When the diagnostic trouble code is stored in ETACS-ECU, carry out the diagnosis of the diagnostic trouble code for ETACS-ECU first.
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