{"nhtsa_id":10039505,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-08-01","date":"2011-06-01","document_id":"PI-0490","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; TRACTION CONTROL SYSTEM","mfr_system":null,"summary":"GM: 2011 IMPALA. VARIOUS WIRING ISSUES CAN CAUSE THE ABS/TRACTION CONTROL LIGHTS TO COME ON. THERE WILL BE TROUBLE CODES STORED. *RM","document":null,"url":"https://open.wenmarpro.com/bulletins/10039505","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_chevrolet_impala"]}],"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":[]}