antonwinkler26

Bolt temperature sensor issues

I'm having a head-scratcher with my 2020 Chevy Bolt EV. It's got about 174k km on it and keeps throwing an error about the outside temperature sensor. The AC won't kick on, my windshield spray nozzles froze last winter, and the mirror heating doesn't work. I'm guessing it's the temp sensor since all of those are affected by the outside temperature. I had a look at the sensor itself, and the wiring looks okay-ish. Could it be a bad connection somewhere? Any ideas before I take it to a shop?

A 2020 Chevy Bolt EV is experiencing issues with the outside temperature sensor, affecting the AC, windshield spray nozzles, and mirror heating. The problem is suspected to be a bad connection or a defective sensor. A similar case was resolved by replacing the sensor, suggesting that taking the vehicle to a workshop for sensor replacement might be the best solution.

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4 comment(s)

I had a similar issue with my Bolt. Same symptoms – AC refusing to work, frozen spray nozzles when it got cold, and the mirror heating being completely useless. I didn't really bother checking the wiring myself. Have you scanned the error memory?

Yeah, I scanned the error memory and that's how I found the error. So how did you end up fixing it? Was it definitely the temperature sensor? And was it a pain to get to?

Yep, turned out to be the temperature sensor. I didn't want to mess with it, so I just took it to a local workshop. They said it was likely a defective cable or a bad plug connection to the sensor. They replaced the sensor, and everything's been working fine ever since. Honestly, for the hassle, it was worth just having them do it.

Thanks a bunch for the info! Sounds like I'm probably looking at the same thing. I'll just bite the bullet and take it to a shop too. They quoted me about 95€, which isn't too bad. Hopefully, that'll sort it out!

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CHEVROLET

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BOLT