# Service bulletin SB23\-31\-003

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: 10247386
- Published by NHTSA: 2023\-12\-18
- Manufacturer's number: SB23\-31\-003
- Manufacturer's date: 2023\-10\-06
- NHTSA component: POWER TRAIN:AXLE ASSEMBLY

## NHTSA's summary

On certain Semi, the LH and RH trailing arm fasteners on the Torque Drive Axle \(TDA\) and Efficiency Drive Axle \(EDA\) may have loosened over time.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247386-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247386-9999.pdf)

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

## Components

Transmission and driveline, Axle

## Vehicles listed

- 2022 TESLA MODEL S
- 2022 TESLA SEMI

## Other bulletins for the same vehicles and component

- [SB23\-31\-004](/bulletins/10247401.md), 2023-12-18, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. On some Semi vehicles, the Efficiency Drive Axle \(EDA\) and Torque Drive Axle \(TDA\) air spring to trailing arm interfaces may have gaps. The gaps may cause uneven loading of the air spring, and may reduce spring service life.

JSON: [/v1/bulletins/10247386](/v1/bulletins/10247386)

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