Scania fault code 1139
Code 1139 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Exhaust gas pressure sensor T125
The voltage in the circuit has been above the permitted level.
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EMD
Exhaust gas pressure sensor T125
Short circuit to battery.
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EME
Exhaust gas pressure sensor T125
Short circuit to battery.
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EMO
Exhaust gas pressure sensor T125
Short circuit to battery.
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VDT
Internal fault
The safety check has identified a prohibited activation of solenoid valve TB during driving.
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MBS
Coolant valve expansion Unit K, short circuit to voltage supply
The PIN for the coolant valve on expansion unit K is short circuited to the voltage supply. The voltage for the pin is outside the permitted value.
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ALM
Motion and inclination detector, temporary fault
Motion and inclination detector T78 has reported an unknown status to the ALM control unit.
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