The outside temp on my 2010 will not go above 84 degrees. It was 102 today. Would a simple disconnect of the battery solve this or is it something else?

thank you.

 

Disconnected the battery. Seems to be ok now.

 

I notice mine is out in left field when I first start the engine, but moves into more reasonable territory after 5 minutes of driving.
I always just thought it was the direct sunlight and lack of airflow, but I am not sure how the temp sensor works.

 

mine was just straight stuck at 84. it seems to be working after disconnecting the battery. Im not sure how it works either.

 

If you think it might be a failing temp sensor

 

thank you i appreciate it

 

When I replaced my grille, I also gave it a clean. There was some dirt and a bit of gunk around it.