If there is no message from the TCU to the ECM/PCM through the external CAN line, the ECM/PCM sets DTC U0101.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
No Message from TCU | 1. Poor connection |
Enable Conditions |
•
Engine speed ; "Engine Running" > 32rpm
•
Battery voltage > 10V
•
Delay time after ignition on > 0.5sec | |
Threshold Value |
•
No message during 100 msec. | |
Diagnostic Time |
•
1.5sec | |
MIL On Condition |
•
2 driving Cycles |
