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Reply To: GM Service Update : N222383250 – Transmission shift issue 2022 Refresh

April 5, 2023 at 12:50 pm #755074
teconk
Participant

Same issue. 2022 Refresh Denali, 6.2 10 speed, 5500 miles. Been back two dealer two times so far. Waiting to hear back from them on if this TCM bulletin can be applied before scheduling 3rd visit. Very frustrating!

Do you have any updates on yours?

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