{"nhtsa_id":10015535,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-07-28","date":"2005-02-11","document_id":"00505","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0136 AND/OR P0156 (OXYGEN SENSOR CIRCUIT). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10015535","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0136","P0156"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"4 RUNNER","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_toyota_4runner","2004_toyota_4runner"]}],"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":[]}