Scania fault code 5663

Code 5663 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Control unit Incorrect or unreliable data. Read explanation → EEC Exhaust Emission Control The exhaust gas temperature sensors for exhaust gas aftertreatment Electrical fault in the exhaust gas temperature sensors for exhaust gas aftertreatment. Read explanation →