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No Power/No Start/Inoperative Remote one day, then next day everything works. Ideas?

Brian Shaw

By Brian Shaw
in Troubleshooting & Recalls

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Brian Shaw Enthusiast

Brian Shaw

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Posted (edited)

Greetings everyone. First post for me. I own a 2014 Silverado Z71 with the 4.3L engine. It has @30,500 miles, and it has been Krown rust proofed every year since I live in Upstate NY. Two days ago I drove my truck to the town hall to pay my school taxes. Backed the truck into a parking spot, then shut and locked my door using the key fob. When I came back to the truck, my key fob wouldn't open the door. I used the key to unlock it, and immediately noticed I had no dash or interior lights. Truck wouldn't start. I had no power...no dash lights, no accessories, and the key fob was dead. Truck acted like someone had removed my battery, which I bought and installed 8 months ago. Two hours later it was towed to a local shop, and they were able to start it right up. They kept the truck overnight, and the next day they were able to start and drive my truck with no issues. I just picked it up and everything works normally, including the key fob. The mechanic had no idea what caused the problem, and didn't bother diagnosing because of time constraints. Could I have a grounding issue to the truck's frame, a faulty negative battery ground cable, or a G218 ground issue under the dash? Can an OBD reader be used to find any code that might be responsible for this issue? Thanks for any help!

Edited by Brian Shaw

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