{"vehicle":{"id":"2005_jeep_liberty","year":2005,"make":"Jeep","model":"Liberty"},"code":"P0504","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10019630,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-04-12","date":"2006-07-14","document_id":"1800906","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"ENHANCED TORQUE CONVERTER AND GLOW PLUG OPERATION OR BRAKE SWITCH DTC P0504. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10019630"},{"nhtsa_id":10018576,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-06","date":"2005-12-16","document_id":"1803805","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"FLASH: ENGINE START AND DRIVE ABILITY AT ALTITUDE/BRAKE SWITCH DTC P0504. *AK","document":null,"url":"https://open.wenmarpro.com/bulletins/10018576"}],"url":"https://open.wenmarpro.com/makes/jeep/liberty/2005/bulletins?code=P0504"},"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/jeep/liberty/2005/codes/P0504","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."]}