Scania fault code 391
Code 391 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Fuel temperature sensor T118
The fuel temperature sensor is short-circuited to ground.
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EMD
Fuel temperature sensor T118
The fuel temperature sensor is short-circuited to ground.
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EME
Fuel temperature sensor T118
The fuel temperature sensor is short-circuited to ground.
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EMO
Fuel temperature sensor T118
The fuel temperature sensor is short-circuited to ground.
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VDT
Output signal
Short circuit to ground on output for control unit E754.
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