{"vehicle":{"id":"2003_gmc_yukon","year":2003,"make":"GMC","model":"Yukon"},"code":"U1000","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10007624,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-06","date":"2004-01-01","document_id":"01267F","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10007624"},{"nhtsa_id":10004200,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-11-21","date":"2003-11-18","document_id":"01267B","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","summary":"SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. SERVICE VME. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004200"},{"nhtsa_id":10004104,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-11-19","date":"2003-11-18","document_id":"01267A","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","summary":"SERVICE 4WD LIGHT ON, THE 4WD IS INOPERATIVE AND NO CODES BESIDES U1000 CODES. SERVICE VME. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004104"}],"url":"https://open.wenmarpro.com/makes/gmc/yukon/2003/bulletins?code=U1000"},"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/gmc/yukon/2003/codes/U1000","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."]}