offroad200

First the car never overheats or seems to have any other issues. However as soon as you turn the car on, even without cranking it, the fan starts running. Even after sitting overnight. The only thing I know is if there's an issue the fan's fail safe mode is to run constantly. What could cause this and does it really hurt anything? So far I've only checked that the temp sensor was plugged in. It doesn't run with the car off.

GSGenesis

Find where our cylinder head temp sensor is, check it's resistance. Bet either that, or a relay is bad... Stuck open fans not shutting off.... But........... Fans shut off when the cars off right? Anyhow, check both of those
Edit: You did say they shut off when cars off.... Anyhow check the resistance of those and report back.

offroad200

Will do! Thanks. I'm taking it in to the dealership to put on some new tires anyway so I'll check that while I'm there.