Scania fault code 1284

EMS Engine Management System Cylinder 4, severe misfiring Cylinder 4 is misfiring so much that there is a risk of damage to the catalytic converter. Read explanation → TMS Transmission Management System Solenoid valve for high splitter gear, short circuit Short circuit to earth in the solenoid valve cable harness. The fault code is only set when the solenoid valve is activated. Read explanation → BMU Battery Management Unit The WiFi signal was interrupted during charging The CMP control unit (VCCU) lost wireless connection with the electric vehicle charging station during charging. An error message was sent to the BMU control unit. Read explanation → VDT Internal fault Internal memory fault in control unit E754. Read explanation → COO Coordinator Signal effective axle distance, poor signal status Invalid or undefined value for the Effective axle distance signal. Read explanation → MBS Expansion unit D, internal fault The MBS control unit has detected faults in the voltage regulators or communication buses in Expansion unit D. Read explanation → ALM Control unit, internal fault Response time from the ALM control unit is longer than expected. Read explanation → COMMUNICATOR Communicator (C200 / C300 / C400) Digital output 2 is short-circuited to supply voltage The fault code is activated if digital output 2 is short-circuited to supply voltage. A check is carried out each time the system is started. Read explanation →