Scania fault code 131
Code 131 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
VDT
Gearbox identification unit
Signal fault from identification unit.
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ELC Electronically controlled air suspension
Solenoid valve for raising tag axle.
The voltage on the output to the solenoid valve has been too high.
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ABS Anti-lock Braking System
Brake control
The supply voltage to the control valve on the right-hand side of the front axle has been above the permitted level.
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ATA
Combustion air fan motor
The auxiliary heater does not start.
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