The PCM determines CAN communication error and sets DTC U0101 if no message received from TCM.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
CAN Message Monitoring | 1. Poor Connector Connection 2. Defected C-CAN Communication Circuit 3. Defected PCM |
Enable Conditions |
•
Engine speed higher than 32 RPM (Engine Running) Battery voltage higher than 10V 0.5 sec delay time after ignition "ON" | |
Threshold Value |
•
TCU message is not received for 100 msec. | |
Diagnostic Time |
•
1.5 sec. | |
MIL On Condition |
•
2 Driving Cycle |
