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Reply To: 2023 Gmc Canyon Transmission harsh downshift in the morning

April 15, 2025 at 1:27 am #860450
John19789
Participant

I just found out about the Valve Body issue that GM has. I got the Valve body replaced. the problem is gone now but it is the same valve body that they had and put in it and I am not happy about this at all because the problem will come back and I’ll just be going through valve body replacements. 2023 canyon elevation 8L90.

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