Scania fault code 278
Code 278 is used by 9 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Coolant temperature sensor T33
Coolant temperature sensor fault.
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TMS Transmission Management System
Clutch actuator, fault in the current sensor
The clutch actuator has an internal fault which is indicated via CAN message to the gearbox control unit.
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EMD
Coolant temperature sensor T33
Coolant temperature sensor fault.
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EME
Coolant temperature sensor T33
Coolant temperature sensor fault.
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EMO
Coolant temperature sensor T33
Coolant temperature sensor fault.
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VDT
Solenoid valve
Short circuit to ground for the solenoid valve coil.
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LAS Locking and Alarm System
Alarm code, front grille panel
The fault affects engine performance. It is difficult to start the engine. Engine emissions are affected.
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FLC Forward Looking Camera
Voltage supply
The supply voltage to the control unit has been below 16 V.
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EACS
Electric motor
An internal temperature sensor in the electric motor indicates a fault.
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