{"nhtsa_id":10004431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-12-10","date":"2003-07-18","document_id":"723007","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR","mfr_system":null,"summary":"THE ANTILOCK BRAKE SYSTEM (ABS) SENSOR WIRE INSULATION MAY RUB THROUGH IN THE AREA WHERE THE HARNESS IS LOOPED AND SECURED TO THE BRAKE CHAMBER LINES AT THE REAR DRIVE AXLE. THIS CONDITION MAY LEAD TO CORRODED WIRE STRANDS, RESULTING IN A FAULT BEING LOGGED INTO THE ABS CONTROL MODULE FOR THE AFFECTED SENSOR. ON CERTAIN CX AND CH MODEL CHASSIS MANUFACTURED BETWEEN 1/1/2001 AND 1/28/2003. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004431","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"abs","name":"Anti-lock brakes","parent":"brakes"},{"id":"wheel-speed-sensor","name":"Wheel speed sensor","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CH","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"MACK","model":"CX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}