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Service bulletin CSP-08-266

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 id10026809
Published by NHTSA2008-12-19
Manufacturer's numberCSP-08-266
Manufacturer's date2008-08-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. REDUCED HEATING AND COOLING-REPROGRAM MODULE. CERTAIN 2008 CHEVROLET VEHICLES EQUIPPED WITH DUAL ZONE MANUAL CLIMATE CONTROL (RPO CJ3) MAY HAVE SOFTWARE THAT DOES NOT ALLOW THE HEATING AND AIR CONDITIONING SYSTEM TO DELIVER MAXIMUM COLD OR MAXIMUM HOT OUT PUT. CSC LETTER WAS RECEIVED. *PE

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, Equipment and accessories, Heating and air conditioning, Instrument cluster, Software

Vehicles listed
CHEVROLET IMPALA2008

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

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