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GM Smart charging system doesn't works.

Roberto Donoso
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Roberto Donoso New Member

Roberto Donoso

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Hi. Here from Chile. I have a 2014 Silverado LTZ crew cab 1500 and suddenly the GM Smart charging system doesn't works. It's fixed 14.9 - 15 Volt. I changed alternator, ground cable with battery current sensor and battery. No change. I scanned several times and no DTC'S. Scanner display battery charge 65% and the BCM is command 80%. The next step, i Will look for a disrupt wire at side of PCM. Could be the BCM? No DTC'S.

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