Scania fault code 4209

EMS Engine Management System Outdoor temperature The signal from the outdoor temperature sensor which comes from the coordinator has been implausible. The value is lower than it should be. Read explanation → EMU Heater H40, short circuit to earth The control unit is reporting that the heater supply signal voltage is too low. Read explanation → BMU Battery Management Unit Battery cells, voltage drop The voltage for 1 or more battery cells has dropped below the permitted limit. Read explanation → DDU External amplifier, channel 3, break in the circuit The DDU control unit has measured a voltage that indicates a break in the circuit. Read explanation → GSC High pressure solenoid valve Incorrect level on current signal through the solenoid valve coil. Read explanation →