Scania fault code 518
Code 518 is used by 21 different Scania systems. Choose the control unit shown in your diagnostic tool:
EBS Electronic Braking System
Control unit
Incorrect or unreliable data.
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EMS Engine Management System
Cylinder 6
The engine control unit has detected an abnormal voltage, indicating a break in the circuit.
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TMS Transmission Management System
Manual downshifting, CAN message fault
The control unit indicates a signalling fault in the gear lever switch during manual downshifting.
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BMU Battery Management Unit
Function parameters missing
Values for EOL parameters are missing. Files containing EOL parameters are faulty or missing when starting the ECU. EOL parameters cannot be read from the permanent memory.
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EMD
Cylinder 6
Open circuit detected in the injector solenoid valve or in the electrical cables to the injector.
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EME
Cylinder 6
Open circuit detected in the injector solenoid valve or in the electrical cables to the injector.
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EMO
Cylinder 6
Open circuit detected in the injector solenoid valve or in the electrical cables to the injector.
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VDT
Output signal
Invalid configuration.
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COO Coordinator
Fuel level
The voltage in the fuel level sensor circuit has been below the permitted level.
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MBS
Control unit parameter setting
The control unit has lost the parameter setting.
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CUV Visibility system
Control unit
Spare parts programming parameters have been lost. The file containing the parameters is incomplete or missing. Spare parts programming parameters could not be read from the memory…
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BCI
Control unit, parameter setting
The expansion unit has lost the parameter setting.
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LAS Locking and Alarm System
Motion sensor in bodywork
The bodywork motion sensor has no communication with control unit pin C4.
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CMS
Setting parameters
The control unit has lost the parameter setting.
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ALM
Micro switch rear door driver's side (truck)/micro switch A3 (bus), short circuit
The micro switch is short-circuited to the voltage supply.
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ACS Articulation Control System
Parameter configuration
Parameter configuration in the control unit is invalid or missing.
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EST
Control unit
The system has no configuration.
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ESTA
Control unit
The system has no configuration.
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TCC
TCC control unit, missing parameters
Parameter values missing.
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DCU
Control unit parameter setting
The control unit has lost the parameter setting.
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ACSX
Parameter configuration
Parameter configuration in the control unit is invalid or missing.
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