Scania fault code 4185

Code 4185 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMU Refrigerant compressor E157, internal fault The refrigeration compressor reports a higher rotational speed than expected. The fault code may expire by itself, the refrigeration compressor updates the status every 30 seconds. Read explanation → BMU Battery Management Unit Pre-charge contactor's service life nearly ended The service life counter for the contactor has reached its warning level. Read explanation → DDU Switch module in steering wheel for driver display: Menu navigation down, no signal The DDU control unit has received an error message from the switch module via CAN. Read explanation →