Scania fault code 4224

EMS Engine Management System Safety valve A decreasing fuel pressure was detected during the fuel pressure sensor diagnostic test. The safety valve was opened prematurely. Read explanation → EMU BCI control unit E111, communication error One or more CAN messages are missing. Read explanation → BMU Battery Management Unit Cell monitoring circuit board, internal fault Chip for cell balancing in a cell monitoring circuit board reports faults. Read explanation → EMD Safety valve The safety valve opened at an unexpectedly low pressure during a diagnostic test. Read explanation → EME Safety valve The safety valve opened at an unexpectedly low pressure during a diagnostic test. Read explanation → EMO The Mechanical Dump Valve (MDV) opened during a diagnostic test The MDV (Mechanical Dump Valve) opened at an unexpectedly low pressure during a diagnostic test. During the test the rail pressure was ramped to a very high level. However, the MDV… Read explanation → DDU Connection for audio, break in circuit Interruptions in the voltage supply have been detected in the sound connection. Read explanation → GSC High pressure solenoid valve Incorrect level on current signal through the solenoid valve coil. Read explanation →