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May 27, 2026 Service bulletin

Unknown or other

GMC technical service bulletin PIP6117 for 2024-2026 GMC Hummer EV SUV and 2022-2026 GMC Hummer EV Pickup.

Bulletin number
PIP6117
Component
Unknown or other
Summary
This Preliminary Information communicates possible conditions arising from corrosion on the JX310 splice pack that could affect vehicle operation including the ability to start, drive, charge their EV.

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