Scania fault code 4452
Code 4452 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Cylinder 3
The engine control unit indicates a short circuit.
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EMD
Cylinder 3
Permanent short circuit in the electrical cables to the injectors. The fault only occurs when the engine is running.
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EME
Cylinder 3
Permanent short circuit in the electrical cables to the injectors. The fault only occurs when the engine is running.
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EMO
Injector cyl. 3 cable/injector short circuit
Permanent short circuit detected between the cables to the injector(s). Faults detected only when engine is running.
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