Scania fault code 5866

Code 5866 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Charge air temperature sensor T121 The charge air temperature sensor displays a value which is higher than expected for too long. Read explanation → EMD Charge air temperature sensor T121 The charge air temperature sensor indicates too high a value. Read explanation → EME Combined sensor T47 The combined sensor indicates too high a value. Read explanation → EMO Charge air temperature sensor T121 The charge air temperature sensor indicates too high a value. Read explanation →