{"nhtsa_id":633889,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-26","date":"2002-06-07","document_id":"01102","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"MALFUNCTION INIDICATOR LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODE P0136 AND P0420 STORED IN THE ENGINE CONTROL MODULE (ECM). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/633889","components":[],"codes":["P0136","P0420"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"COROLLA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_toyota_corolla"]},{"make":"TOYOTA","model":"MATRIX","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]}],"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":[]}