U1101 CAN Communications System Time Out Error A/T Related Data: Notes
CAUTION:
- If DTC U1101 is set in the TCL/ASC-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 TCL/ASC-ECU is replaced, ensure that the communication circuit is normal.