Scania fault code 8254
Code 8254 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMU
Motor and Inverter Pump Internal Diagnostic, Pump detects short circuit
Pump indicates short circuit motor phase, pump responds with 250 Hz pulse on feedback
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AMS
Reductant pick-up unit T116/T4002, short circuit to earth
The control unit indicates that the level sensor for reductant is short-circuited to earth.
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