{"nhtsa_id":10043859,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-04-30","date":"2012-02-01","document_id":"RB-12009","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"GM: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INCORRECT ENGINE CONTROL MODULE CALIBRATION. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION RECALL INVOLVING CERTAIN 2008 MODEL YEAR VEHICLES EQUIPPED WITH A 4.8L/0.6L ENGINE (LY2/L76). *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10043859","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_avalanche"]},{"make":"CHEVROLET","model":"SILVERADO","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2008,"year_to":2008,"match":"exact","vehicle_ids":["2008_gmc_yukon"]}],"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":[]}