{"nhtsa_id":637710,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-12-04","date":"2002-05-01","document_id":"15859","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP","mfr_system":null,"summary":"SOME VEHICLES WITH 4WABS MAY EXHIBIT DIAGNOSTIC TROUBLE CODES C1233 AND C1234 (ANTI-LOCK BRAKE SENSOR OUTPUT FAILURE). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/637710","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":["C1233","C1234"],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER SPORT","year_from":1998,"year_to":2002,"match":"base","vehicle_ids":["1998_ford_explorer","1999_ford_explorer","2000_ford_explorer","2001_ford_explorer","2002_ford_explorer"]},{"make":"FORD","model":"EXPLORER SPORT TRAC","year_from":1998,"year_to":2000,"match":"base","vehicle_ids":["1998_ford_explorer","1999_ford_explorer","2000_ford_explorer"]},{"make":"FORD","model":"EXPLORER SPORT TRAC","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_ford_explorer-sport-trac","2002_ford_explorer-sport-trac"]},{"make":"FORD","model":"RANGER","year_from":1998,"year_to":2002,"match":"exact","vehicle_ids":["1998_ford_ranger","1999_ford_ranger","2000_ford_ranger","2001_ford_ranger","2002_ford_ranger"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}