Scania fault code 8581

Code 8581 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Coolant pressure and temperature sensor, short circuit The electronic control unit indicates that the sensor temperature signal is short-circuited to voltage supply or has an open circuit. Read explanation → ALLISON Allison automatic gearbox Coolant temperature sensor (T79), voltage high The control unit has read a coolant temperature that is less than a calibrated value. Read explanation →