DTC U1100: Powertrain Control Module Time-out (Related to Engine) DTC U1101: Powertrain Control Module Time-out (Related to A/T): Notes

CAUTION: If DTC U1100 or U1101 is set in the combination meter, always diagnose the CAN bus lines.

CAUTION: Whenever the ECU is replaced, ensure that the communication circuit is normal.

NOTE: When the DTC relating to the CAN communication error are set, make sure of the vehicle equipment. When the vehicle is not equipped with the system the combination meter communicates to, the DTC is always set. This is not abnormal.