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sarahmoore84

Bolt error messages and coding issue

I've got a 2021 Chevy Bolt (electric) with about 62k km. The car's throwing an error, which I saw when I hooked up a diagnostic scanner. It's also showing an error message on the infotainment screen and the speedometer. Could this be a serious problem or something simple? The scanner suggests it might be incorrect vehicle coding.

Summary of the thread

A 2021 Chevy Bolt owner experienced error messages on the infotainment screen and speedometer, with a diagnostic scanner indicating possible incorrect vehicle coding. The issue persisted despite clearing the fault code. It was suggested to visit a workshop for proper diagnosis and recoding, which resolved the problem.

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4 comment(s)

alfredghost26

Whoa, that sounds familiar! I had a similar issue with my old Renault Megane, although that one had a petrol engine. Engine light, plus messages all over the place. Did the scan tool give you a specific fault code? Knowing that might help narrow things down.

sarahmoore84 (community.author)

Yeah, the scan tool gave me a fault code, but I didn't write it down. I cleared it, thinking that would solve the problem, but it came back. Any idea what kind of incorrect coding would cause all these errors?

alfredghost26

Clearing it was a brave move! My Renault did the same, codes kept returning. Honestly, incorrect coding can be a real pain to diagnose without the right software. With the symptoms and error being persistent, I'd play it safe and take it to a workshop. They'll have the proper tools to recode the module if that's the root cause. Hopefully, it's a quick fix!

sarahmoore84 (community.author)

Thanks for the advice! Took it to the shop, and you were spot on. The coding was messed up somehow. Cost me 360€, but at least it's fixed. Appreciate the help!

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CHEVROLET

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BOLT