Both my OD OFF and Trans temp lights are stuck on. So what's the best way to cure the P0711 and P0713 codes from the transmission once and for all. What do I need to have checked? I just picked up from the shop. They said the temp sensor that was in there was making the connector loose. They could move the plug on the sensor and the temp on the computer would go up and down. They replaced it with another sensor and they said the plug was now tight. So I know the transmission is not overheating because it happens on the initial startup. It will sometimes go off but take several minutes before it goes away. This is an 01 transmission but it has the correct TCC solenoid and correct for 99 sensors, except the governor sensor is upgraded to the GM one. The transmission shifts fine, the fluid has been clear and not burnt since I got the truck 5 years ago. It wasn't bad when I got it either.