Scania fault code 4

VDT Rotational speed sensor Implausible speed has been measured between the engine speed and the gearbox output speed. Read explanation → COO Coordinator Communication with the engine control unit The communication between the coordinator and the engine control unit has been interrupted. Read explanation → CUV Visibility system Dipped beam LH. The current consumption on the control unit output has exceeded 8.5 A. Read explanation → OPC Opticruise gearbox control Control unit Incorrect data. Read explanation → ICL Instrument Cluster External instrument panel lighting The output for external instrument panel lighting on the instrument cluster is 90% or more, despite the set value being 10-90. Read explanation → ACC Automatic Climate Control Control motor in the water valve The control motor in the water valve does not work. Read explanation → ACS Articulation Control System Control unit 2, ACS No contact with control unit 2, either via the red or pink CAN bus. Read explanation → RET Retarder Control unit Incorrect or unreliable data. Read explanation → AWD All-Wheel Drive Control unit Incorrect data. Read explanation → SC Voltage supply The voltage supply to the tachograph has been missing. Read explanation → BCS Control unit Incorrect data. Read explanation → BWS Communication with the engine control unit Communication between the bodywork control unit and engine control unit has been interrupted. Read explanation → AMP Loudspeaker channel 2, short circuit to battery voltage The external amplifier has measured a voltage that indicates a short circuit to battery voltage. Read explanation → CTR Activating the radio Fault in output signal to radio Read explanation → DCP CAN communication, open circuit CAN message is missing. Read explanation →