the computer senses a slip in the overdrive clutch and downshifts the trans. to save it. The coolant sensor is for the engine. The trans oil can get so hot...and the trans will just burn up. If what you say is true how come there's no temp sensor for that? To save a tranny. It will give a code...
Intermittant at first. No overdrive up hill or towing. Its a flat road cruise gear. hitting a bump can cause it. It will get stuck in 3rd gear. Pull over and turn off. Restart the engine will reset the computer.
two plugs plug into the receiver. one bigger than the other. smaller one has single white wire coming out book says data for that one. I think it used to plug in somewhere. Anybody know?