WenmarOpen by Wenmar Pro

Service bulletin 01899

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 id10006474
Published by NHTSA2004-05-04
Manufacturer's number01899
Manufacturer's date2004-01-01
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

INITIALIZATION AND RE-INITIALIZATION OF SUNROOF MDIV MOTOR. ALSO INCLUDING 2003 BUICK RAINIER, AND 2004 CHEVROLET TRAILBLAZER EXT. *MR

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

Glass, wipers and mirrors, Sunroof

Vehicles listed
BUICK RAINIER2004
CHEVROLET TRAILBLAZER2003, 2004
CHEVROLET TRAILBLAZER EXT2003 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY2003, 2004
GMC ENVOY XL2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
OLDSMOBILE BRAVADA2003, 2004

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

Other bulletins for the same vehicles and component
0308670042003-09-30. Service bulletin. PARTS AVAILABILITY FOR SUNROOF REPAIRS. *TT