Asked by Jacob Sep 29, 2020 at 10:34 PM about the 2011 GMC Sierra 1500
Question type: Maintenance & Repair
I have a 2011 GMC Sierra that’s constantly
dies. Always have having to give it a jump
after every time i drive it. It has a brand new
alternator, starter, +- cables, and upgraded
battery to a platinum from a gold. Anyone
have a idea on what it can be? Please lmk.
Obviously it's a parasitic drain, in the old days you could look for a parasitic drain by testing amp draw on battery while pulling fuses, until you nix the one causing the excess draw. Nowadays you probably have a computer module causing the draw. Google "find a parasitic drain" and give that a go, but be aware that opening a car door will cause one or more modules to remain in an active state (and drawing more power). You can also let a dealership run it through their scan tool and see if all the modules are behaving themselves.
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