# Service bulletin N192223160

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: 10169643
- Published by NHTSA: 2019\-12\-30
- Manufacturer's number: N192223160
- Manufacturer's date: 2019\-11\-15
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION

## NHTSA's summary

Certain 2019 model year Chevrolet Silverado 4500/5500/6500 vehicles with rear air suspension may have been built with a switch that allows the rear suspension air bags to re\-inflate while the vehicle is in Park. The air suspension should never re\-inflate while the vehicle is still in Park. Dealers will replace the switch.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169643-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169643-9999.pdf)

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

## Components

Equipment and accessories, Suspension

## Vehicles listed

- 2019 CHEVROLET SILVERADO 4500
- 2019 CHEVROLET SILVERADO 6500
- 2019 CHEVROLET duplicate SILVERADO 5500

## Recalls for the same vehicles and component

- [2022160](/recalls/tc/2022160.md), 2022-03-31: Accessories
- [21V496000](/recalls/nhtsa/21V496000.md), 2021-07-01: EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
- [2020165](/recalls/tc/2020165.md), 2020-04-16: Accessories
- [2019494](/recalls/tc/2019494.md), 2019-10-03: Accessories
- [2019205](/recalls/tc/2019205.md), 2019-04-26: Accessories

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [05\-03\-07\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [19\-NA\-129](/bulletins/11015042.md), 2025-03-05, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11014358.md), 2025-02-19, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
- [19\-NA\-129](/bulletins/11008959.md), 2024-10-17, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [05\-03\-08\-002J](/bulletins/11007936.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [05\-03\-08\-002J](/bulletins/11007935.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
- [19\-NA\-129](/bulletins/11005189.md), 2024-07-24, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11004990.md), 2024-07-20, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
- [19\-NA\-129](/bulletins/11001783.md), 2024-06-18, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.

JSON: [/v1/bulletins/10169643](/v1/bulletins/10169643)

[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%20N192223160&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10169643&vehicle=Service%20bulletin%20N192223160)