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2012 GMC Acadia. While driving check engine light came on door locks rapidly lock and unlock. Park assist off traction control off service traction control service stability track all happened at the same time. Then reduced engine power vehicle slow down as if downshifting also when accelerating transmission went to a neutral engine revving no power I then backed up no back up camera doors rapidly locking and unlocking.
 

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It's either a wiring problem, or control module failure. There's also a possibility that the battery or charging system aren't supplying enough electricity to run everything.
 
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