# Other SOC Imbalance SMS\_112625

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.

- Type: Other
- NHTSA id: 11026123
- Published by NHTSA: 2025\-12\-04
- Manufacturer's number: SOC Imbalance SMS\_112625
- Manufacturer's date: 2025\-11\-26
- NHTSA component: FUEL/PROPULSION SYSTEM

## NHTSA's summary

Text message to encourage owners to update to latest software.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026123-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026123-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- 2025 to 2026 RIVIAN R1S
- 2025 to 2026 RIVIAN R1T

## Other bulletins for the same vehicles and component

- [SMS .46 Ready](/bulletins/11027570.md), 2026-01-09, Other: FUEL/PROPULSION SYSTEM. Email informing customers that OTA 2025.46 is available to install.
- [SMS Free DCFC](/bulletins/11027569.md), 2026-01-09, Other: FUEL/PROPULSION SYSTEM. Email informing customers of complementary DCFC
- [SMS AC Charging](/bulletins/11027568.md), 2026-01-09, Other: FUEL/PROPULSION SYSTEM. Text message informing customers of possible level 2 charging issue and a strategy to precondition the battery, if necessary.
- [Email AC Charging](/bulletins/11027567.md), 2026-01-09, Other: FUEL/PROPULSION SYSTEM. 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.
- [112425\_SOCImbalance\_Email](/bulletins/11026124.md), 2025-12-04, Other: FUEL/PROPULSION SYSTEM. Email encouraging owners to update to the latest software.
- [RCA\-30\-24\-002\-1](/bulletins/11008363.md), 2024-10-03, Service campaign: FUEL/PROPULSION SYSTEM. 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 C](/bulletins/11007063.md), 2024-09-05, Other: FUEL/PROPULSION SYSTEM. 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 B](/bulletins/11007062.md), 2024-09-05, Other: FUEL/PROPULSION SYSTEM. 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 A](/bulletins/11007061.md), 2024-09-05, Other: FUEL/PROPULSION SYSTEM. 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.

JSON: [/v1/bulletins/11026123](/v1/bulletins/11026123)

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