{"vehicle":{"id":"2004_gmc_sierra","year":2004,"make":"GMC","model":"Sierra"},"code":"U1000","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10012151,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-02-15","date":"2004-06-01","document_id":"020730011","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","summary":"SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE P0708 P0872 P0847 P0875 P1711 P1713 OR U1000 SET. THIS SERVICE BULLETIN REPLACES 020730011. *EH","document":null,"url":"https://open.wenmarpro.com/bulletins/10012151"},{"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/sierra/2004/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/sierra/2004/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."]}