{"vehicle":{"id":"2008_hyundai_entourage","year":2008,"make":"Hyundai","model":"Entourage"},"code":"P0638","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10034649,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-12-15","date":"2010-08-01","document_id":"TSB-10-FL-010","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"HYUNDAI: DTC P2135/P0638 OR COLD ENGINE RPM FLUCTUATION; TPS REPLACEMENT AND ECM UPDATE. SOME 2.7L, 3.3L OR 3.8L ENGINES IN MODELS IDENTIFIED IN THE APPLICABILITY LIST MAY EXPERIENCE ONE OR MORE OF THE CONDITIONS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034649"},{"nhtsa_id":10032793,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-05-24","date":"2009-10-01","document_id":"TSB09-FL-003-2","mfr_campaign":null,"component":"EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:ENGINE","summary":"HYUNDAI: SOME VEHICLES MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM RELATED DTC P2135 ( FORCED LIMITED POWER) OR DTC P0638 (POWER MANAGEMENT). *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032793"},{"nhtsa_id":10029229,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-06-30","date":"2009-04-01","document_id":"TSB-09-FL-003-1","mfr_campaign":null,"component":"FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:ENGINE","summary":"HYUNDAI: MIL ON DTC P2135 OR P0638 OR COLD ENGINE RPM FLUCTUATION- TPS REPLACEMENT & ECM UPDATE. SOME VEHICLES MAY EXPERIENCE EITHER SLIGHT ENGINE RPM FLUCTUATION AT COLD WARM UP OR MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10029229"},{"nhtsa_id":10028825,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-06-01","date":"2009-02-01","document_id":"TSB-09-FL-003","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","summary":"HYUNDAI: SOME VEHICLES MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM RELATED DTC P2135 OR DTC P0638. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10028825"}],"url":"https://open.wenmarpro.com/makes/hyundai/entourage/2008/bulletins?code=P0638"},"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/entourage/2008/codes/P0638","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."]}