PCM sets a DTC U0101 when there is a loss of communication on the Controller Area network (CAN) bus line from the TCM.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check CAN message from TCM | 1. TCM faulty 2. CAN communication line between PCM and TCM |
EnableConditions |
•
IG "ON" Time longer than 2sec.
•
Ignition Voltage greater than 11V | |
Threshold value |
•
CAN communication error with TCM | |
Diagnosis Time |
•
Continuous | |
MIL On Condition |
•
3 driving cycle |