Scania fault code 8253
Code 8253 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
SCR – Tank level sensor
The voltage in the circuit has been outside the permitted range.
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EMU
Motor and Inverter Pump Internal Diagnostic, Pump detects high internal temperature
Pump indicates high internal temperature, pump responds with 275 Hz pulse on feedback
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AMS
Level sensor for reductant doser, short circuit to battery or open circuit
The EEC control unit indicates that the level sensor for reductant is short-circuited to battery or open circuit.
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EEC Exhaust Emission Control
Reductant level sensor
Fault in the reductant level sensor.
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