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I bought a GMC Denali and I'm having trouble with it shutting down while I am driving.

lkearselkearse Posts: 1
edited November 2017 in GMC
The ignition switch turns off on its own I get no codes I can put it in neutral and start it back up and it runs fine I've been to the shop and because it's not showing a cold they can't tell me what is going on. I called the GMC service center and they told me whenever it happened again not to shut it off and go straight to a dealership. The problem is it happens at times most of the time when the dealership is closed and every case the truck turned off and I have to start it back up and I still do not see any colds that I can write down to tell them what the truck is showing on the data board. Has anybody had these problems are similar problems with the vehicle shutting down on its own
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