{"vehicle":{"id":"2004_mercury_monterey","year":2004,"make":"Mercury","model":"Monterey"},"code":"C1991","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":1,"bulletins":[{"nhtsa_id":10008251,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-07-24","date":"2004-06-28","document_id":"04125","mfr_campaign":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE","summary":"DIAGNOSTIC TROUBLE CODE (DTC) C1991 (MODULE CALIBRATION FAILURE) - ANTI-LOCK BRAKE, ADVANCED TRAC, INTERACTIVE VEHICLE DYNAMICS (IVD), TRACTION CONTROL SYSTEM - SERVICE TIP. ALSO INCLUDES FORD FREESTAR MY2005 AND MERCURY MONTEREY MY2005. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10008251"}],"url":"https://open.wenmarpro.com/makes/mercury/monterey/2004/bulletins?code=C1991"},"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/mercury/monterey/2004/codes/C1991","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."]}