{"nhtsa_id":634045,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-26","date":"2002-04-12","document_id":"EG01002","mfr_campaign":null,"replaces":"EG008","component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"SUBJECT REGARDING ENGINE CONTROL MODULE (ECM) CALIBRATION UPDATE - MALFUNCTION INDICATOR LIGHT ON WITH DIAGNOSTIC TROUBLE CODES P0420 OR P0430 AND ENHANCED ENGINE PERFORMANCE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/634045","components":[],"codes":["P0420","P0430"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"RAV4","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_toyota_rav4","2002_toyota_rav4"]}],"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":[]}