# NHTSA recall 01V334000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 01V334000
- Manufacturer's number: 01064/01065
- Manufacturer: GENERAL MOTORS CORP.
- Reported: 2001\-10\-17
- Owners notified: 2001\-11\-06
- Component: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)
- Units potentially affected: 78004

## What is wrong

VEHICLE DESCRIPTION:  SPORT UTILITY VEHICLES EQUIPPED WITH 4\-WHEEL DRIVE.   THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.


## What can happen

IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING.


## The remedy

DEALERS WILL UPDATE THE TRANSFER CASE CONTROL MODULE CALIBRATION TO INCREASE GEAR ENGAGEMENT.  OWNER NOTIFICATION BEGAN NOVEMBER 6, 2001.   OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1\-800\-222\-1020 OR GMC AT 1\-800\-462\-8782.


## Notes

ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1\-888\-DASH\-2\-DOT \(1\-888\-327\-4236\).


## Vehicles this campaign lists

- [2002 CHEVROLET TRAILBLAZER](/makes/chevrolet/trailblazer/2002/recalls.md). Built 2001\-01\-01 to 2001\-08\-31.
- [2002 GMC ENVOY](/makes/gmc/envoy/2002/recalls.md). Built 2001\-01\-01 to 2001\-08\-31.

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [PIP3366C](/bulletins/10143757.md), 2018-08-20, Service bulletin
- [040421004](/bulletins/10017442.md), 2005-11-08, Service bulletin
- [3424](/bulletins/10017299.md), 2005-11-02, Service bulletin
- [3351](/bulletins/10014853.md), 2005-05-11, Service bulletin
- [3349](/bulletins/10014809.md), 2005-05-10, Service bulletin
- [3012B](/bulletins/10008806.md), 2004-08-23, Service bulletin
- [01843](/bulletins/10007961.md), 2004-07-19, Service bulletin
- [020421006C](/bulletins/10004357.md), 2003-12-04, Service bulletin
- [020421002A](/bulletins/10001144.md), 2003-04-17, Service bulletin
- [020421006A](/bulletins/10000173.md), 2003-02-14, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/01V334000](/v1/recalls/nhtsa/01V334000)

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