{"vehicle":{"id":"2000_ford_expedition","year":2000,"make":"Ford","model":"Expedition"},"code":"P1639","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":636052,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-11-04","date":"2002-11-25","document_id":"0258","mfr_campaign":null,"component":"POWER TRAIN","summary":"INOPERATIVE OR INACURRATE SPEEDOMETER, 4X4 LAMP ILLUMINATD, AND / OR DIAGNOSTIC TROUBLE CODE P1635 OR P1639. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/636052"},{"nhtsa_id":620269,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-23","date":"2001-03-01","document_id":"13737","mfr_campaign":null,"component":"POWER TRAIN","summary":"INOPERATIVE OR INACCURATE SPEEDOMETER AS WELL AS 4X4 LIGHT INOPERATIVE AND / OR DIAGNOSTIC TROUBLE CODE P1635 AND / OR P1639 AFTER A POWERTRAIN CONTROL MODULE (PCM) HAS BEEN REPLACED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620269"},{"nhtsa_id":618529,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-04-16","date":"2000-07-10","document_id":"00142","mfr_campaign":null,"component":"POWER TRAIN","summary":"INOPERATIVE OR INACCURATE SPEEDOMETER, 4X4 LAMP ILLUMINATED AND / OR DIAGNOSTIC TROUBLE CODES (DTCS) P1635 OR P1639 PRESENT AFTER A POWERTRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER REPLACEMENT. *JB","document":null,"url":"https://open.wenmarpro.com/bulletins/618529"}],"url":"https://open.wenmarpro.com/makes/ford/expedition/2000/bulletins?code=P1639"},"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/ford/expedition/2000/codes/P1639","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."]}