Rivian R1S 2025 — technical service bulletin
Bulletin 3-Day SMS Campn FSAM-1635 · NHTSA communication 11022477 · issued Aug 8, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
2
vehicle entries
Official summary
FSAM-1635 3-Day SMS ● Message 1: ● Urgent Notice from Rivian: Action required for your R1. Our records indicate the 12V battery in your vehicle needs to be replaced immediately to prevent a potential no-start situation. This replacement is critical for your vehicle's reliability and will be performed at no cost to you. Schedule your appointment now by calling: (855) 748-4265 ● Message 2: ● [FirstName], this is a reminder from Rivian about the no-cost 12V battery replacement for your R1. Our technicians can complete this warranty service quickly to get you back on the road and avoid a potential
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.