{"nhtsa_id":10000925,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-04-04","date":"2003-01-01","document_id":"030604006","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"REVISED ELECTRONIC IGNITION (EI) SYSTEM DIAGNOSIS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10000925","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_impala"]},{"make":"CHEVROLET","model":"MONTE CARLO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_monte-carlo"]}],"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":[]}