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<blockquote data-quote="Spectragod" data-source="post: 1606676" data-attributes="member: 32367"><p>Uhhh, yes it does matter. The pcm controls the alternator, there’s a reason the bms has to be reset after battery replacement, that diagnosis is not a good one.</p><p></p><p>Replacing the battery without resetting the bms will result in the alternator charging at its normal voltage but only at 10 amps, pretty soon, your battery will be dead, because the car is running off of it and your alternator is not charging the battery.</p><p></p><p>But feel free to diagnose as you choose, it’s that stuff that keeps me employed.</p><p></p><p></p><p>Sent from my iPad using Tapatalk</p></blockquote><p></p>
[QUOTE="Spectragod, post: 1606676, member: 32367"] Uhhh, yes it does matter. The pcm controls the alternator, there’s a reason the bms has to be reset after battery replacement, that diagnosis is not a good one. Replacing the battery without resetting the bms will result in the alternator charging at its normal voltage but only at 10 amps, pretty soon, your battery will be dead, because the car is running off of it and your alternator is not charging the battery. But feel free to diagnose as you choose, it’s that stuff that keeps me employed. Sent from my iPad using Tapatalk [/QUOTE]
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