{"nhtsa_id":10009973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-03","date":"2004-01-01","document_id":"3114","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"B1327 DIAGNOSTIC MISSING. *SC","document":null,"url":"https://open.wenmarpro.com/bulletins/10009973","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"OLDSMOBILE","model":"ALERO","year_from":2001,"year_to":2004,"match":"exact","vehicle_ids":["2001_oldsmobile_alero","2002_oldsmobile_alero","2003_oldsmobile_alero","2004_oldsmobile_alero"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2001,"year_to":2004,"match":"exact","vehicle_ids":["2001_pontiac_grand-am","2002_pontiac_grand-am","2003_pontiac_grand-am","2004_pontiac_grand-am"]}],"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":[]}