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July 5, 2016 Service bulletin

New Diesel Exhaust Fluid (DEF) Tank Assemblies (Gen 5 Tri-Function Sensor): Dealer Memo to provide service...

Blue Bird technical service bulletin SM1604 for 2017 Blue Bird All American and 2017 Blue Bird Vision.

Bulletin number
SM1604
Component
Fuel system, diesel
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.

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