{"nhtsa_id":10005246,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-02-17","date":"2003-11-18","document_id":"00303","mfr_campaign":null,"replaces":"00303R","component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP","mfr_system":null,"summary":"VSC LIGHT ON CONDITION WITH DIAGNOSTIC TROUBLE CODE C1231 IN THE SKID CONTROL COMPUTER MEMORY. A MODIFICATION TO THE SKID CONTROL COMPUTER LOGIC HAS BEEN MADE TO PREVENT THIS CONDITION. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10005246","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":["C1231"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"SEQUOIA","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_toyota_sequoia"]}],"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":[]}