{"nhtsa_id":637739,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-12-04","date":"2002-05-01","document_id":"15876","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:IGNITION:MODULE","mfr_system":null,"summary":"SUBJECT REGARDING DIAGNOSTIC TROUBLE CODE P1129 DURING KEY ON ENGINE RUNNING (KOER) - NO MALFUNCTION INDICATOR LAMP. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637739","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"ignition","name":"Ignition","parent":"electrical"}],"codes":["P1129"],"topics":[],"vehicles":[{"make":"FORD","model":"THUNDERBIRD","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_ford_thunderbird"]}],"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":[]}