Scania fault code 1027

Code 1027 is used by 11 different Scania systems. Choose the control unit shown in your diagnostic tool:

EMS Engine Management System EGR, low flow The temperature change in the intake manifold was lower than expected during a number of EGR activations. Read explanation → TMS Transmission Management System Consistency check The consistency check for the vehicle's chassis serial number failed. Read explanation → BMU Battery Management Unit Refrigerant compressor E140, CAN message missing No CAN message from the refrigerator compressor. Read explanation → VDT Internal fault Invalid configuration. Read explanation → COO Coordinator Operational data The control unit has lost stored operational data. Read explanation → MBS Expansion unit B, electric power supply fault The MBS control unit has detected that the supply voltage to expansion unit B has had an anomalous value. The supply voltage to the expansion unit has been below 16 V. Read explanation → ALM Fault in communication with the engine control unit (EMS) A CAN message expected from the EMS control unit has failed to arrive. Read explanation → DAS Electrically assisted steering Electronic control system for electrically assisted steering does not accept the external command. Read explanation → TCC TCC control unit, fault in WC tank level sensor The resistance value from the WC tank level sensor is too low. Read explanation → RTT Road Transport Informatics Back-up batteries The RTI unit is switched off when the vehicle is started. Read explanation → SVIP Back-up batteries The RTI unit is switched off when the vehicle is started. Read explanation →