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.
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TMS Transmission Management System
Consistency check
The consistency check for the vehicle's chassis serial number failed.
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BMU Battery Management Unit
Refrigerant compressor E140, CAN message missing
No CAN message from the refrigerator compressor.
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VDT
Internal fault
Invalid configuration.
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COO Coordinator
Operational data
The control unit has lost stored operational data.
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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.
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ALM
Fault in communication with the engine control unit (EMS)
A CAN message expected from the EMS control unit has failed to arrive.
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DAS
Electrically assisted steering
Electronic control system for electrically assisted steering does not accept the external command.
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TCC
TCC control unit, fault in WC tank level sensor
The resistance value from the WC tank level sensor is too low.
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RTT Road Transport Informatics
Back-up batteries
The RTI unit is switched off when the vehicle is started.
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SVIP
Back-up batteries
The RTI unit is switched off when the vehicle is started.
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