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Other 112425_SOCImbalance_Email

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 id11026124
Published by NHTSA2025-12-04
Manufacturer's number112425_SOCImbalance_Email
Manufacturer's date2025-11-24
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

Email encouraging owners to update to the latest software.

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

Fuel system

Vehicles listed
RIVIAN R1S2025, 2026
RIVIAN R1T2025, 2026

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

Other bulletins for the same vehicles and component
SMS .46 Ready2026-01-09. Other. Email informing customers that OTA 2025.46 is available to install.
SMS Free DCFC2026-01-09. Other. Email informing customers of complementary DCFC
SMS AC Charging2026-01-09. Other. Text message informing customers of possible level 2 charging issue and a strategy to precondition the battery, if necessary.
Email AC Charging2026-01-09. Other. Email informing customers of an upcoming OTA to improve level 2 charging experience in cold weather and a strategy to precondition the battery, if necessary.
SOC Imbalance SMS_1126252025-12-04. Other. Text message to encourage owners to update to latest software.
RCA-30-24-002-12024-10-03. Service campaign. Rivian is initiating a customer satisfaction campaign for some model year 2025 R1S vehicles that may have a substandard weld in a Battery Voltage Temperature circuit connection. This condition may result in the vehicle entering a reduced performance safe state mode, with a "Limited Performance Mode" indicator light illuminating on the driver display. Rivian will replace the HV battery in the affected vehicles. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles.
SOC Imbalance SMS Group C2024-09-05. Other. Message sent as SMS: To re-establish your vehicles true 100% state of charge please: • Charge your vehicle to 100% SOC to recalibrate maximum charge.
SOC Imbalance SMS Group B2024-09-05. Other. 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.
SOC Imbalance SMS Group A2024-09-05. Other. Message sent as SMS: To re-establish your vehicles true 100% state of charge please: • Charge your vehicle +10% from current SOC • Update to .27 SW • Charge your vehicle to 100% SOC to recalibrate maximum charge.