{"nhtsa_id":10026809,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-12-19","date":"2008-08-01","document_id":"CSP-08-266","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL","mfr_system":null,"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","document":null,"url":"https://open.wenmarpro.com/bulletins/10026809","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"instrument-cluster","name":"Instrument cluster","parent":"electrical"},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_impala"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}