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Service bulletin 09122002

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 id10009447
Published by NHTSA2004-09-30
Manufacturer's number09122002
Manufacturer's date2002-09-12
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

INTERMITTENT POOR AIR CONDITIONING PERFORMANCE. UPDATED INFORMATION ON SERVICE SOFTWARE TO CORRECT SOME CONCERNS ON POOR SYSTEM PERFORMANCE. INVOLVES CHEVROLET TRAILBLAZER, ENVOY AND OLDSMOBILE 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

Equipment and accessories, Heating and air conditioning

Vehicles listed
UNKNOWN UNKNOWN

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