{"vehicle":{"id":"2002_hyundai_accent","year":2002,"make":"Hyundai","model":"Accent"},"code":"P0503","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10015328,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-07-14","date":"2005-02-01","document_id":"0536003","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"DIAGNOSTIC TROUBLE CODE (DTC) P0130 (OXYGEN SENSOR MALFUNCTION); DIAGNOSTIC TROUBLE CODE (DTC) P0503 (SPEED SENSOR MALFUNCTION; REVERSE TO DRIVE LURCH WHILE ROLLING BACKWARDS (ON AUTOMATIC TRANSAXLE EQUIPPED VEHICLES ONLY). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10015328"}],"url":"https://open.wenmarpro.com/makes/hyundai/accent/2002/bulletins?code=P0503"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/hyundai/accent/2002/codes/P0503","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}