Scania fault code 640

BMU Battery Management Unit Isolation measurement could not be performed The BMU control unit failed to detect the insulation signal. The measured value is implausible or the IBU control unit is reporting faults in the insulation measurement. Read explanation → VDT Internal fault Implausible message via CAN. Read explanation → COO Coordinator Clutch pedal sensor The clutch pedal sensor signal has been active for too long. Read explanation → MBS Expansion unit A, initiation No communication with expansion unit A after initiation. Read explanation → CUV Visibility system Headlamp, right Fault in the headlamp levelling control motor. Read explanation → BCI Engine status, CAN communication fault Faulty information regarding the engine status. Read explanation → CMS Hydraulic flow in primary steering circuit The dual-circuit steering position sensor for circuit 1 (T55), connected to pins B19 and B21 on the control unit, indicates that the flow is too low. Read explanation → EST Hydraulic system The wheels on the controlled tag axle are not tracking properly. The system cannot keep the tag axle in a centred position when tag axle steering should be locked. The hydraulic pi… Read explanation → ESTA Hydraulic system The wheels on the controlled tag axle are not tracking properly. The system cannot keep the tag axle in a centred position when tag axle steering should be locked. The hydraulic pi… Read explanation →