{"vehicle":{"id":"2004_oldsmobile_bravada","year":2004,"make":"Oldsmobile","model":"Bravada"},"code":"C0550","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10004367,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-12-04","date":"2003-08-01","document_id":"030421006","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","summary":"SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, HARSH ENGAGEMENT OF 4WD, NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE (TCCM), TCCM DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004367"},{"nhtsa_id":10003863,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-11-05","date":"2003-08-11","document_id":"081103","mfr_campaign":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)","summary":"THE SERVICE FOUR-WHEEL DRIVE LIGHT OR THE FOUR-WHEEL DRIVE IS INOPERATIVE WITH NO COMMUNICATIONS WITH THE TECH 2, OR C0550 CODE IS STORED IN THE TCCM. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10003863"}],"url":"https://open.wenmarpro.com/makes/oldsmobile/bravada/2004/bulletins?code=C0550"},"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/oldsmobile/bravada/2004/codes/C0550","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."]}