Mirrors caused check engine light....
Towing mirrors caused check engine light!!!!! I decided to remove the towing mirrors and replace them with regular rear view mirrors. My truck is a 2013 2500. I bought a pair of mirrors off a guy who...
Forum Discussion
BurbMan is correct
The temp sensor provides the ambient temperature reading to the engine control module (ECM). The ability to display the outside temp in the cab in 2 scales of measurement is a handy side benefit of needing the instrument to provide info to the ECM.
I asked a guy with a Kenworth where the temp sensor is and he said driver side mirror. Best place for it away from vehicle heat and reflected heat apparently.
The temp sensor provides the ambient temperature reading to the engine control module (ECM). The ability to display the outside temp in the cab in 2 scales of measurement is a handy side benefit of needing the instrument to provide info to the ECM.
I asked a guy with a Kenworth where the temp sensor is and he said driver side mirror. Best place for it away from vehicle heat and reflected heat apparently.
