benjamin_crystal10
HHR Electrical Gremlins
Summary of the thread
A 2008 Chevy HHR is experiencing multiple electrical issues, including numerous error codes and a non-functional navigation system. The problem seems to be related to the control unit programming, possibly involving the Body Control Module (BCM). A similar issue was resolved by having the control unit reflashed at a professional shop, suggesting this as a potential solution.
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4 comment(s)
benjamin_crystal10 (community.author)
Yeah, it's a party of codes! Mostly communication errors and stuff pointing to the BCM. Did yours completely bork out, or was it more intermittent?
lisaphoenix6
Mine went completely bonkers, very similar to what you describe. Honestly, I chased my tail for a bit trying to diagnose it myself. In the end, I bit the bullet and took it to a shop with the right software. They reflashed the control unit, and it's been golden ever since. Cost me about 240€.
benjamin_crystal10 (community.author)
Ugh, sounds like that's my fate too. A software exorcism. Thanks for confirming my suspicions; I was hoping it was something simple, but this confirms my fears. I'll book it in. Cheers!
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CHEVROLET
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HHR
lisaphoenix6
Sounds eerily familiar! I had a similar issue with my HHR not too long ago. Was it throwing any specific codes, or just a bunch of seemingly unrelated errors?