{"nhtsa_id":10185687,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-01-22","date":"2021-01-18","document_id":"WI21-002","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Warranty Information Letter for Proterra Electric Powertrain Extended Warranty on TBB Electric Vehicles and FCCC Electric School Bus Chassis. Please be aware that for TBB electric vehicles and Freightliner Custom Chassis Corporation (FCCC) electric school bus chassis spec’d with a Proterra electric powertrain, extended warranty coverage will be offered by Proterra, not DTNA.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185687-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10185687-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10185687","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"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":[]}