Scania fault code 4164

Code 4164 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System SCR - Temperature in reductant tank The temperature in the tank is lower than is reasonable. Read explanation → EMU Refrigerant compressor E157, high pressure The compressor indicates too high a pressure on the discharge side. Read explanation → DDU Tweeter on left-hand A-pillar panel, short circuit to earth The DDU control unit interprets a short circuit to earth in the tweeter on the left-hand A-pillar panel. Read explanation →