{"nhtsa_id":10041433,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-10-03","date":"2011-08-01","document_id":"PI-0528","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CHEVROLET:GMC: VEHICLE OPERATES ON COMPRESS NATURAL GAS ONLY. PROBLEMS STARTING WHEN COLD AND FLUTTERS WHEN BRAKING HARD. (REPROGRAM ENGINE CONTROL MODULE). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10041433","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_gmc_savana"]}],"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":[]}