{"vehicle":{"id":"2003_cadillac_deville","year":2003,"make":"Cadillac","model":"Deville"},"code":"P0503","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10008611,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-08-10","date":"2002-11-27","document_id":"11272002","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"AUTO TRANSMISSION DIAGNOSTIC TROUBLE CODE P0503, VEHICLE SPEED SENSOR CIRCUIT INTERMITTENT. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10008611"},{"nhtsa_id":10005101,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-01-30","date":"2003-01-14","document_id":"011403","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"DIAGNOSTIC TROUBLE CODE P0503, VEHICLE SPEED SENSOR CIRCUIT INTERMITTENT. CUSTOMER MAY DESCRIBE THE CONDITION AS THE SPEEDOMETER INTERMITTENTLY GOES TO ZERO, THE VEHICLE MAY JERK AT TIMES, THEY ARE UNABLE TO SET THE CRUISE, THE CRUISE MAY INTERMITTENTLY DROPOUT. GM VOICEMAIL EXPRESS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005101"}],"url":"https://open.wenmarpro.com/makes/cadillac/deville/2003/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/cadillac/deville/2003/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."]}