Scania fault code 8284
Code 8284 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
SCR - Tank temperature sensor
The voltage in the circuit has been outside the permitted range.
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EMU
Cooling fan M96, supply voltage out, short circuit to battery
The control unit indicates too high a voltage.
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AMS
Temperature sensor reductant pick-up unit, short circuit to earth
The EEC control unit indicates short circuit to earth for the pins connected to the reductant pick-up unit temperature sensor.
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EEC Exhaust Emission Control
Temperature sensor reductant pick-up unit, short circuit to earth
The EEC control unit indicates short circuit to earth for the pins connected to the reductant pick-up unit temperature sensor.
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