Ineos Grenadier 2024–2025 — technical service bulletin
Bulletin SSM 617 ISA Incorrect · NHTSA communication 11028277 · issued Jan 7, 2026
Technical service bulletin
communication type
Electrical System
component
2024–2025
model years
2
vehicle entries
Official summary
Diagnostic notes for Intelligent Speed Assist warning error.
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.