DTC U1100: CAN Communications System Time Out Error Engine Related Data: Notes
CAUTION:
- If DTC U1100 is set in the ABS/TCL-ECU < FWD > or TCL/ASC-ECU < AWD >, 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 < FWD > or TCL/ASC-ECU < AWD > is replaced, ensure that the communication circuit is normal.