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"Serice Charging System Vehicle May Stall"

tallyho

By tallyho
in 2019-2025 Silverado & Sierra

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tallyho New Member

tallyho

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I have a 2020 Chevy Silverado LT. The service charging system vehicle may stall light comes on sometimes for 5 minutes and sometimes for 5 seconds. It happens randomly.

The dealership cannot figure it out and I have had the battery replaced twice now. Anyone else?

Edited by tallyho
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calgator73 Senior Enthusiast

calgator73

Posted
Posted
23 minutes ago, tallyho said:

I have a 2020 Chevy Silverado LT. The service charging system vehicle may stall light comes on sometimes for 5 minutes and sometimes for 5 seconds. It happens randomly.

The dealership cannot figure it out and I have had the battery replaced twice now. Anyone else?

Grounds?  Start with main chassis ground off the battery.  Confirm with a voltmeter that it's actually not charging?

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