2018 Silverado 1500 crewcab electrical system gone mad. Truck locks and unlocks without owner, truck window goes up and down. Read owner manual tried to fix problem but no luck . Truck clicked lock on doors to the point battery had to be removed to keep doors lock and windows up. Not to mention bed on truck clicks and click. All electrical. Can only access opening of truck with key.
Pulling out into traffic. The truck "hiccupped" and everything electric flashed or beeped (no horn). It's like the truck shut off then restarted like a manual transmission vehicle starts by popping the clutch.
Update from Aug 10, 2021: Monday morning on the way to work, the truck's electrical system shut down again. I was stopped at a light, in the dark with traffic rapidly approaching. NO lights internal or external, no hazards. Jiggled the shifter in and out of park/neutral, opened doors and cranked the ignition to multiple positions with no change. Just as I bailed out of the truck to setup portable hazard lights the system restarted. I limped to work then took it to the dealer when they opened. The truck experienced 3 more rolling "hiccups" en route to the dealer before a failure in their service parking lot, blocking the entrance. Awaiting a diagnoses.
- Ross S.,
Lake Worth, FL, US
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2018 Silverado 1500 crewcab electrical system gone mad. Truck locks and unlocks without owner, truck window goes up and down. Read owner manual tried to fix problem but no luck . Truck clicked lock on doors to the point battery had to be removed to keep doors lock and windows up. Not to mention bed on truck clicks and click. All electrical. Can only access opening of truck with key.
- rhodes78, Blytheville, US