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September 15, 2026 Service bulletin

Battery failures caused by sulfation due to charging voltages being lower than the specified optimum...

Ineos technical service bulletin IATSB004513 for 2024-2026 Ineos Grenadier and 2024-2026 Ineos Grenadier Quartermaster.

Bulletin number
IATSB004513
Component
Electrical system
Summary
Battery failures caused by sulfation due to charging voltages being lower than the specified optimum values under certain operating temperature conditions

Owners of these vehicles have filed 7 complaints in the electrical category.

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