Scania fault code 4199

EMS Engine Management System Charge air pressure sensor T122 The EMS control unit has detected that the value displayed by the atmospheric pressure sensor is too low compared with other atmospheric pressure sensors in the vehicle. Read explanation → EMU Refrigerant compressor E158, 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 Cell monitoring circuit board, internal fault A chip in a cell monitoring circuit board reports a reference value outside the permitted range. Read explanation → EMD Charge air pressure sensor T122 The charge air pressure sensor indicates too low a value in comparison with the atmospheric pressure, exhaust gas pressure or another charge air pressure. Read explanation → EME Combined sensor T47 The combined sensor indicates too low a value in comparison with the atmospheric pressure, exhaust gas pressure or another charge air pressure. Read explanation → EMO Charge air pressure sensor T122 The charge air pressure sensor indicates too low a value in comparison with the atmospheric pressure, exhaust gas pressure or another charge air pressure. Read explanation → DDU Switch module in steering wheel, no signal Information is missing, update is in progress. Read explanation →