# Service bulletins for the 1999 Chevrolet GMT\-400

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.

1 bulletin from NHTSA, as of 2026-10-19.

- [3170E](/bulletins/10019186.md), 2006-02-16, Service bulletin: INTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. \*AK FB2

JSON: [/v1/vehicles/1999_chevrolet_gmt-400/bulletins](/v1/vehicles/1999_chevrolet_gmt-400/bulletins)

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