DTC U1100: ECM < M/T > Or Pcm < A/T > Time-Out (Related To Engine): Notes
CAUTION:
- If DTC U1100 is set in the ABS/TCL-ECU, always diagnose the CAN main bus line. If there is any fault in the CAN bus lines, an incorrect DTC may be set.
- Whenever the ABS/TCL-ECU is replaced, ensure that the communication circuit is normal.