Ineos Grenadier 2024–2026 — technical service bulletin
Bulletin IATSB004513 · NHTSA communication 11037976 · issued Sep 15, 2026
Technical service bulletin
communication type
Electrical System
component
2024–2026
model years
6
vehicle entries
Official summary
Battery failures caused by sulfation due to charging voltages being lower than the specified optimum values under certain operating temperature conditions
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.