# Service bulletin RCA\-38\-26\-001\-1

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: Service bulletin
- NHTSA id: 11037102
- Published by NHTSA: 2026\-09\-05
- Manufacturer's number: RCA\-38\-26\-001\-1
- Manufacturer's date: 2026\-08\-07
- Campaign id or software version: FSAM\-1825
- NHTSA component: POWER TRAIN

## NHTSA's summary

Rivian is initiating a customer satisfaction campaign for some model year 2027 R2 vehicles that may be prone to noise in the front drive unit when accelerating or decelerating while turning. Driveability and performance are not affected. Rivian will add a friction modifier to the drive unit oil to prevent the noise. Rivian is launching this campaign for customer satisfaction and to ensure the quality of Rivian vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037102-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037102-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2027 RIVIAN R2

JSON: [/v1/bulletins/11037102](/v1/bulletins/11037102)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20RCA-38-26-001-1&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11037102&vehicle=Service%20bulletin%20RCA-38-26-001-1)