# Service bulletin N222376580

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: 10231274
- Published by NHTSA: 2023\-02\-06
- Manufacturer's number: N222376580
- Manufacturer's date: 2023\-02\-06
- NHTSA component: STEERING:ELECTRIC POWER ASSIST SYSTEM

## NHTSA's summary

Service Update \- Certain vehicles may have a condition in which the Power Assist Steps reverse while deploying or stowing. Dealers will reprogram the Assist Step Control Module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231274-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231274-9999.pdf)

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

## Components

Steering, Power steering

## Vehicles listed

- 2021 to 2023 CHEVROLET SILVERADO 2500
- 2021 to 2023 CHEVROLET SILVERADO 3500
- 2021 to 2023 GMC SIERRA 2500
- 2021 to 2023 GMC SIERRA 3500

## Other bulletins for the same vehicles and component

- [23\-NA\-201](/bulletins/10247549.md), 2023-12-21, Service bulletin: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, HYDRAULIC:POWER ASSIST. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp \(MIL\) Illuminated.

JSON: [/v1/bulletins/10231274](/v1/bulletins/10231274)

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