Scania fault code 774

Code 774 is used by 11 different Scania systems. Choose the control unit shown in your diagnostic tool:

EBS Electronic Braking System Control unit Incorrect or unreliable data. Read explanation → EMS Engine Management System Steering wheel switch for cruise control, CAN messages missing Read explanation → BMU Battery Management Unit Coolant pump (M38/M82) in the propulsion battery cooling system is not behaving properly The coolant pump in the propulsion battery cooling system is not responding correctly to a request. The rotational speed of the coolant pump of the propulsion battery cooling syste… Read explanation → COO Coordinator Switch for lane departure warning The lane departure warning switch has been activated for an implausible amount of time. Read explanation → MBS Luggage compartment door sensor, 1st centre right from rear axle, electrical fault Faults have been detected to sensor for the 1st centre right luggage compartment door, counted from the rear axle. The measured voltage on the pin is 12 V. Read explanation → ELC Electronically controlled air suspension Control box 1 The voltage on the input from the control box has been too low. Read explanation → DDU Gearbox control unit, no CAN communication The DDU control unit is not receiving CAN messages from the gearbox control unit. Read explanation → ICL Instrument Cluster Communication with the gearbox management system (GMS) No CAN messages from the gearbox management system. Read explanation → CMS Pressure sensor for tag axle The signal from the pressure sensor is implausible; the voltage is too low. Short circuit to ground in the pressure sensor. Read explanation → COMMUNICATOR Communicator (C200 / C300 / C400) Communication with the coordinator (COO) The RTC control unit has not received any CAN messages from the coordinator within the time expected. Read explanation → DCU Door position sensor, rear door leaf A fault has been detected in the door position sensor. Read explanation →