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The Bacon Hauler (‘12 Cop Charger)
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Has there been any recent drivability issues with the trans?

If not, I’d be more inclined to think this was an issue with the wiring harness plug that connects the engine control module to the transmission control module. That or actual damaged wires in that section of harness somewhere.

Where does the vehicle sit when parked overnight? Any chance rodents could be feasting upon the wire insulation in the engine bay or underneath the car?

No matter what it is, you will likely have to take it to a pro to get an accurate diagnosis. We can guess over the internet all day, but without some way to actually diagnose the symptoms and retrieve data from the car’s computer, guessing is as close as we’re going to get.
 
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