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Discussion Starter #1
Check engine light is on with code p3015 (battery cell 5). I took apart the entire thing and each and every cell tests fine at 8v.
What's the deal? Please help!
 

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Discussion Starter #2
I've even tested the 12v and it reads at 12v exactly. The car runs fine, tho sometimes a sluggish start in drive after having gone in reverse. I don't understand why the check engine light is on and the reader is giving me this code if all cells and batteries read perfect.
 
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