Scania fault code 6674

Code 6674 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Heat exchanger, monitoring not working Heat exchanger monitoring is not carried out. Read explanation → EMD Heat exchanger, monitoring not working Heat exchanger monitoring is not carried out. Read explanation → EME LNG heat exchanger monitor disabled Error on ambient temperature sensor, engine temperature sensor or rail temperature sensor, or error in communcation with OCS or GSC. Read explanation → EMO Heat exchanger, monitoring not working Heat exchanger monitoring not carried out. Read explanation →