I Discovered My GMC Sierra EV Was Pulling 2 Kilowatts Of Power All Night After Reaching 80% Charge, Wasting $1.75 Until I Reset My Emporia Charger

Uncovering the Mystery of the GMC Sierra EV's Nocturnal Energy Consumption

A GMC Sierra EV owner discovered that his vehicle was consuming 2 kilowatts of power throughout the night, even after reaching the set 80% charge limit, resulting in a waste of $1.75 in energy costs.

The owner, Mike Roland, found that his truck's battery had charged to 88% despite the 80% limit, leading to an investigation into the complex electrical issue.

Something is fascinating about discovering your truck has been secretly feeding itself in the darkness while you sleep, consuming electricity with the persistence of a digital vampire that refuses to acknowledge dawn.

The incident highlights one of the intriguing aspects of electric vehicle ownership: the constant dialogue between the vehicle and the electrical grid, even when the vehicle is not in use.

Author's summary: An owner's GMC Sierra EV was wasting energy at night due to a charging issue.

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Torque News Torque News — 2025-10-17