Scania fault code 1378
Code 1378 is used by 9 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Battery voltage
The battery voltage has been below the permitted level when the engine has been idling.
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BMU Battery Management Unit
Contactor unit for direct current charging with charging cable, negative contactor fixed in open position
BMU has received a message from BMU B, E172 stating that the negative contactor for direct current charging is stuck in the open position when it should be closed.
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EMD
Battery voltage
The battery voltage has been below the permitted level when the engine has been idling.
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EME
Battery voltage
The battery voltage has been below the permitted level when the engine has been idling.
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EMO
Battery voltage
The battery voltage has been below the permitted level when the engine has been idling.
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VDT
System for early warning
Invalid configuration.
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ALLISON Allison automatic gearbox
Low system voltage
Contact an Allison dealer.
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AMS
EEC, Control unit for exhaust gas aftertreatment
The battery voltage to the EEC control unit has been below 9 V.
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EEC Exhaust Emission Control
EEC, Control unit for exhaust gas aftertreatment
The battery voltage to the EEC control unit has been below 9 V.
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