Rivian R1S 2025 — technical service bulletin
Bulletin LFP SOC Imbalance Resolve · NHTSA communication 11028630 · issued Jan 16, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
2
vehicle entries
Official summary
SMS sent to LFP owners impacted by SOC Imbalance alerting them that their efforts have resolved their HV Battery Pack concern and may charge normally.
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.