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Error Code 20A203 – Charge air cooling system: signal implausible
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05-14-2021, 03:00 PM
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Djdnav
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Drives: F80 M3
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Quote:
Originally Posted by
hlm2c
Djdnav, there's a few threads on the M2 side fo the forums that may be of interest to you. I'm still chasing the issue down myself.
https://f87.bimmerpost.com/forums/sh...1#post27588081
https://f87.bimmerpost.com/forums/sh...ghlight=20A203
My battery went bad during troubleshooting and was replaced. No change in reference to the 20a203 code, however. I also replaced all the wiring, so none of that applies. Thanks though.
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