If CAN communication signal from TCM is not received, ECM sets DTC U0101.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
CAN communication monitoring | 1. Poor connector connection 2. Open in CAN communication line 3. Faulty TCU |
Enable Condition |
•
Battery voltage is higher than 10.8V
•
Ignition switch "ON" for over 0.5 sec | |
Threshold Value |
•
Duration of communication lost with TCM for over 2 sec | |
Diagnosis Time |
•
Continuous | |
MIL ON Condition |
•
2 driving cycles |
