Scania fault code 49921

Code 49921 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Unit injector for cylinder 4 It has not taken as long as expected for the control unit to build up the current in the solenoid valve. The control unit uses the battery voltage and the engine temperature to cal… Read explanation → EMD Incorrect combination of EMS and OCS Incompatible software between EMS control unit E44 and OCS control unit E103. Read explanation → EME Incorrect combination of EMS and OCS Incompatible software between EMS control unit E44 and OCS control unit E103. Read explanation → EMO Incorrect combination of EMS and OCS Incompatible software between EMS control unit E44 and OCS control unit E103. Read explanation →