# Service bulletin 03082004

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: 10013017
- Published by NHTSA: 2005\-04\-06
- Manufacturer's number: 03082004
- Manufacturer's date: 2004\-03\-08
- NHTSA component: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

INOPERATIVE FOUR\-WHEEL DRIVE SYSTEMS, FOUR\-WHEEL DRIVE LIGHT INDICATORS ON AND SYSTEMS NOT FUNCTIONING PROPERLY ALL DUE TO SLEEPY MODULES. BUICK RAINIERS, CHEVROLET TRAILBLAZERS, CHEVROLET AVALANCHES, SILVERADOS, SUBURBANS AND TAHOES, GMC ENVOYS, GMC SIERRA YUKON, YUKON XL, GMC ENVOY XUVS AND OLDSMOBILE BRAVADA. MODEL YEAR UNKNOWN. \*TT

## The document

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

## Components

Transmission and driveline, Transfer case

## Vehicles listed

- UNKNOWN UNKNOWN

JSON: [/v1/bulletins/10013017](/v1/bulletins/10013017)

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