Scania fault code 4445
Code 4445 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Cylinder group A
Permanent electrical fault between cylinder group A and another group.
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EMD
Cylinder group A
Permanent electrical fault between cylinder group A and another group. The fault only occurs when the engine is running. Cylinder group A Engine type Cylinder number 5-cylinder 2 a…
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EME
Cylinder group A
Permanent electrical fault between cylinder group A and another group. The fault only occurs when the engine is running. Engine type Cylinder group A 5-cylinder Cylinders 2 and 5 6…
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EMO
Group A - Short to other Bank
Permanent short circuit between injector banks. Faults detected only when engine is running.
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AMS
Communication error, EEC, exhaust gas aftertreatment control unit
The EEC control unit has lost contact with the EMS engine control unit.
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