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Service bulletin 09052002

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 id10009458
Published by NHTSA2004-09-30
Manufacturer's number09052002
Manufacturer's date2002-09-05
NHTSA componentEXTERIOR LIGHTING:TURN SIGNAL

NHTSA's summary

THIS MESSAGE CONCERNS AN INTERMITTENT TURN SIGNAL OPERATION THAT CAN BE VERY DIFFICULT TO DIAGNOSE. BOTH TURN SIGNAL INDICATORS WILL LIGHT AND FLASH ON THE INSTRUMENT CLUSTER OR ON THE EXTERIOR OF THE VEHICLE INTERMITTENTLY WHEN EITHER TURN SIGNAL IS OPERATED. THIS CONDITION CAN BE CAUSED BY A DEFECTIVE FLASHER MODULE. TRAILBLAZER, ENVOY AND BRAVADA MODELS. 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

Lighting, Turn signals

Vehicles listed
UNKNOWN UNKNOWN

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