Scania fault code 4478

Code 4478 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System Cylinder 7, code or checksum error The injector code does not contain any acceptable values. Read explanation → EMD Cylinder 7, code or checksum error The injector code does not contain any acceptable values. Read explanation → EME Cylinder 7, code or checksum error The injector code does not contain any acceptable values. Read explanation → EMO Cylinder 7, code or checksum error The injector code does not contain any acceptable values. Read explanation →