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Other LFP SOC Imbalance Resolve

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeOther
NHTSA id11028630
Published by NHTSA2026-02-07
Manufacturer's numberLFP SOC Imbalance Resolve
Manufacturer's date2026-01-16
Campaign id or software versionSOC Imbalance
NHTSA componentELECTRICAL SYSTEM

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
RIVIAN R1S2025
RIVIAN R1T2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V5370002025-08-21. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
24V8270002024-11-01. ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
RCA-78-26-001-12026-09-05. Service bulletin. Rivian is initiating a customer satisfaction campaign for some model year 2025 vehicles that may have a loose or cross-threaded ground nut inside the instrument panel. Affected vehicles may not be able to turn on, may not be able to shift into drive or reverse, and may display multiple fault indicator lights on the driver display. Rivian will replace the nut, repair or replace the ground stud, or replace the instrument panel beam. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles.
FSAM-1635 Email 111320252025-12-04. Other. Email encouraging customers to schedule service to have battery brackets replaced.
SMS FSAM-1635 - Reminder2025-10-02. Service campaign. Reminder text message for FSAM-1635.
RCA-78-25-004-22025-09-03. Service bulletin. Rivian is initiating a customer satisfaction campaign for some model year 2025 R1T and R1S vehicles that may have been built with upper and lower 12V battery brackets that may cause damage to the 12V battery. In these cases, the vehicle will display a "12V Battery Warning" on the instrument cluster or the customer may not be able to power up or drive the vehicle. Rivian will replace the 12V battery and both the upper and lower battery brackets. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles. Note: This document supersedes RCA-78-25-004-1. Revision 2 updates the approximate build dates.
3-Day SMS Campn FSAM-16352025-09-03. Other. 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 no-start situation. Schedule your service now by calling: (855) 748-4265 ● Message 3: ● Reminder from Rivian: Service slots to replace the 12V battery on your R1 are filling up. Give us a quick call so that we can perform this warranty service at no cost to you as soon as possible. Schedule immediately: (855) 748-4265
FSAM-1635 - Bulk SMS2025-09-03. Other. Hi <customer name>, We’re reaching out about your Rivian. We identified a need to inspect your vehicle for a potential issue that could result in being unable to access or drive your vehicle—and may even require a tow. Schedule an appointment with your local Rivian Service Center. This is covered under warranty at no cost to you. Give us a call to schedule your appointment at (855) 748-4265, 7 days a week, 24hrs a day.
RCA-78-25-003-12025-06-04. Service campaign. Rivian is initiating a customer satisfaction campaign for some model year 2023-2025 R1T and R1S vehicles. These vehicles may have been built with an improperly formatted solid state drive (SSD) for storing camera recordings. This improper formatting prevents video recording of driving incidents and Motion Cam, which is part of the vehicle's Gear Guard system. Rivian will properly format the SSD. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles.
RCA-78-25-004-12025-06-04. Service campaign. Rivian is initiating a customer satisfaction campaign for some model year 2025 R1T and R1S vehicles that may have been built with upper and lower 12V battery brackets that may cause damage to the 12V battery. In these cases, the vehicle will display a "12V Battery Warning" on the instrument cluster or the customer may not be able to power up or drive the vehicle. Rivian will replace the 12V battery and both the upper and lower battery brackets. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles.