{"vehicle":{"id":"2003_volkswagen_jetta","year":2003,"make":"Volkswagen","model":"Jetta"},"code":"P0420","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10024548,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2008-04-24","date":"2008-03-27","document_id":"01 08 14","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"UPDATE PROGRAMMING, MIL ON, DTC'S P0420 AND/OR P0300-P0306 STORED IN ECM FAULT MEMORY. *NJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10024548"}],"url":"https://open.wenmarpro.com/makes/volkswagen/jetta/2003/bulletins?code=P0420"},"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/volkswagen/jetta/2003/codes/P0420","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."]}