# Service bulletin 300401

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: 623398
- Published by NHTSA: 2001\-10\-29
- Manufacturer's number: 300401
- Manufacturer's date: 2001\-04\-30
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

SUBJECT REGARDING HARSH SHIFTS ON AUTOMATIC TRANSMISSION. \*SLC

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Vehicles listed

- 2001 CHEVROLET ASTRO
- 2001 CHEVROLET BLAZER
- 2001 CHEVROLET CAMARO
- 2001 CHEVROLET CORVETTE
- 2001 CHEVROLET EXPRESS
- 2001 CHEVROLET JIMMY
- 2001 CHEVROLET S10
- 2001 CHEVROLET SIERRA
- 2001 CHEVROLET SONOMA
- 2001 CHEVROLET SUBURBAN
- 2001 CHEVROLET TAHOE
- 2001 CHEVROLET YUKON
- 2001 GMC BLAZER
- 2001 GMC ENVOY
- 2001 GMC EXPRESS
- 2001 GMC JIMMY
- 2001 GMC SAFARI
- 2001 GMC SAVANA
- 2001 GMC SIERRA
- 2001 GMC SONOMA
- 2001 GMC SUBURBAN
- 2001 GMC TAHOE
- 2001 GMC YUKON

JSON: [/v1/bulletins/623398](/v1/bulletins/623398)

[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%20300401&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F623398&vehicle=Service%20bulletin%20300401)