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Power window reversal

Paul Linder

By Paul Linder
January 11, 2023 in Troubleshooting, Warranty & Recalls

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Paul Linder

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Paul Linder

Posted January 11, 2023

Posted January 11, 2023

My 2020 GMC Sierra had an issue with the drivers window reversing on closing about 1/2” open.
I had read that disconnecting the Neg battery terminal for 10 minutes would reset and solve this issue. Well, it worked!! Just remember when you reconnect the Neg battery terminal, the alarm will go off and scare the crap out of you!!! You will be prompted after starting the vehicle, to roll down and then up the drivers window. Yeah!!!!

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