The TCCM self-diagnosis software checks for high temperature conditions.The TCCM will set DTC P1746 if the ECU internal temperature is above 258.8℉(126 degrees Celsius).
The TCCM will set DTC P1746 if the ECU internal temperature is above 258.8℉(126 degrees Celsius).
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Check temperature |
•
Faulty TCCM |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
PCB temperature is higher than 126℃ for more than 2 min. | |
MIL ON Condition |
•
Lamp ON |
