{"nhtsa_id":10011688,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-01-28","date":null,"document_id":"3039","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"FLASHING SERVICE ENGINE SOON LIGHT WITH POSSIBLE MISFIRE AND P0300-P0304 DIAGNOSTIC TROUBLE CODE. *EH ENGINE EXCHANGE PROGRAM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10011688","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0304"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COLORADO","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_chevrolet_colorado","2005_chevrolet_colorado"]},{"make":"GMC","model":"CANYON","year_from":2004,"year_to":2005,"match":"exact","vehicle_ids":["2004_gmc_canyon","2005_gmc_canyon"]}],"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":[]}