Scania fault code 84

EMS Engine Management System NOx sensor T115, low sensitivity The T115 NOx sensor indicates too low a sensitivity. Read explanation → VDT Temperature and oil level sensor Implausible temperature change. Read explanation → COO Coordinator Vehicle speed Vehicle speed, measured by the road speed sensor, T20, differs too much from the vehicle speed measured by the ABS system. Read explanation → ABS Anti-lock Braking System Wheel speed The current in the wheel circuit on the left-hand side of the third axle has been above the permitted level. Read explanation →