Scania fault code 8258

Code 8258 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMU Motor and Inverter pump internal diagnostic, PWM control signal error Pump indicates PWM control signal error, pump responds with 120 Hz on feedback Read explanation → EEC Exhaust Emission Control Reductant circuit The reductant doser temperature sensor indicates values that are too high compared with the reductant tank temperature sensor when the engine has been switched off long enough for… Read explanation →