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So my wife keeps telling me that she is getting the "Shift to Park" message before turning off her 2017 Acadia Denali (46K miles). I finally saw it (Once). Can you tell me if you have had this issue fixed at the dealer and what they did to fix it. I also have a friend in a different state that is having the same problem and the dealer hasn't been able to fix it so it stops the problem from coming back.

Thanks in advance
 

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There is an entire thread on this forum regarding that issue.

I have had it on my '18 twice. First time the fix, per GM TSB, was to add a portion of wiring harness. That fix only lasted about a month. Next time, the dealer replaced the shifter assembly. So far so good.

The work around is pretty simple. Put it in park and a quick flick of the shifter button will clear the message.

Annoying but not a big deal.
 
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