Rivian R1S 2025 — technical service bulletin
Bulletin SOC Imbalance SMS Group B · NHTSA communication 11007062 · issued Aug 31, 2024
Technical service bulletin
communication type
Fuel/propulsion System
component
2025
model years
2
vehicle entries
Official summary
Message sent as SMS: To re-establish your vehicles true 100% state of charge please: • Update to .27 SW • Charge your vehicle to 100% SOC to recalibrate maximum charge.
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.