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Truck Goes Dead....please Help


GMC_ON_20FORZ

Question

Posted

ok i drive my truck probably 1 or 2 times a week, btw it is a 2007 gmc sierra 1500 nbs, well one day i go to start it and the truck was completely dead, nothing was left on in the truck to drain the battery keep in mind, so i charge the battery over night for a full charge and then put a battery load tester on the battery and the battery is fine. so i just forget about the problem and continue to drive my truck as normal, and the truck was fine until over a month later the same problem happens again, truck is dead for no reason and i mean completely dead, so i charge the battery over night and put the load tester on and the battery again is perfecty fine, so something is draining my battery and i cant figure it out....but the weird thing is that the truck is fine for over a month before it does it again.... if someone had an answer i would really apprieciate it thanks

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Recommended Posts

Posted

There was a TSB on an issue with the battery run down protection software. The fix requires trip to the dealer for them to flash new software in.

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