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2017 GMC Sierra 1500 seems to shift to neutral when driving

acts like shifts to newtral when driving, will not pull to you stop engine and restart

Please repost with complete, coherent sentences. State each problem separately and the circumstances when they occur.

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Okay, let’s see if I’ve interpreted your post correctly. It sometimes feels like the transmission is in neutral, right? And then the truck won’t move until you shut off the engine and start it again? Offhand it sounds like you need to take it to a good independent transmission shop.

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+1
However, if the Powertrain Warranty is still in effect for this 4 year old truck, the only place that the OP should be taking it is to a dealership.

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It sounds like the dreaded GM PCM computer glitch. I got rid of my vehicle because it was never fixed.

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