{"nhtsa_id":10128904,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-21","date":"2016-07-05","document_id":"SM1604","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"New Diesel Exhaust Fluid (DEF) Tank Assemblies (Gen 5 Tri-Function Sensor): Dealer Memo to provide service related information for buses equipped with new Diesel Exhaust Fluid (DEF) tank assemblies. Blue Bird buses equipped with new (DEF) tank assemblies have a Gen 5 Tri-Function Sensor. The Gen 5 Tri-Function Sensor provides the level, concentration, and temperature of the (DEF) Diesel Exhaust Fluid in the reservoir and returns a defined CAN message for these values. The sensor and controller communicates on a ?Private? J1939 data link with the Cummins ECM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10128904-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10128904-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10128904","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BLUE BIRD","model":"ALL AMERICAN","year_from":2017,"year_to":2017,"match":null,"vehicle_ids":[]},{"make":"BLUE BIRD","model":"VISION","year_from":2017,"year_to":2017,"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":[]}