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Service bulletin 080902

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id636634
Published by NHTSA2002-11-12
Manufacturer's number080902
Manufacturer's date2002-05-09
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

INFORMATION ON DIAGNOSING ELECTRICAL WIRING CONNECTOR PROBLEMS ON 2000 THROUGH 2001 U-VANS AS WELL AS OTHER MODELS. *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

Electrical system, Wiring and fuses

Vehicles listed
CHEVROLET TRAILBLAZER2002
CHEVROLET U VAN
GMC ENVOY2002
OLDSMOBILE BRAVADA2002

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
03V0960002003-03-19. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
019002004-05-04. Service bulletin. UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR
020849004A2003-02-27. Service bulletin. INSTRUMENT PANEL CLUSTER (IPC) GAUGES READ ZERO AT TIMES, GAUGES INOPERATIVE AT TIMES. *TT
1312012002-03-21. Service bulletin. SUBJECT REGARDING BULLETIN 010604052 ON BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS UPGRADE. *TT