{"nhtsa_id":10200612,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-28","date":"2021-08-10","document_id":"SF633","mfr_campaign":null,"replaces":null,"component":"PARKING BRAKE","mfr_system":null,"summary":"Field Service Campaign for FCCC School Bus Chassis Park Brake Alarm. On certain vehicles, the park brake alarm software parameter may be disabled. With a disabled park brake alarm, if the driver turns off the ignition without setting the park brake, the park brake alarm may fail to emit an audible sound.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200612-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200612-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200612","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"parking-brake","name":"Parking brake","parent":"brakes"}],"codes":[],"topics":[],"vehicles":[{"make":"THOMAS BUILT BUSES","model":"SAF-T-LINER C2","year_from":2021,"year_to":2022,"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":[]}