Scania fault code 51
Code 51 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Turbocharger, wastegate valve
The voltage in the solenoid valve circuit that controls the wastegate valve has been incorrect.
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VDT
Rotational speed sensor
Implausible frequency measurement.
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COO Coordinator
Clutch pedal sensor
The clutch pedal sensor signal has been active for too long.
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ELC Electronically controlled air suspension
Rear axle solenoid valve.
The voltage on the output to the solenoid valve has been too high.
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ABS Anti-lock Braking System
Wheel speed
The control unit has detected DC voltage in the signal from the wheel on the left-hand side of the driving rear axle.
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LAS Locking and Alarm System
Siren
No PIN code is programmed in the siren.
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