Scania fault code 6559
Code 6559 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Injector 8, low fuel volume
The injector injects too little fuel into the cylinder. The contribution to the torque differs significantly from the other cylinders.
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EMD
Coolant pump M4005, incorrect speed
The measured speed does not match the speed requested by the control unit.
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EME
Coolant pump M4005, incorrect speed
The measured speed does not match the speed requested by the control unit.
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EMO
Coolant pump M4005, incorrect speed
The measured speed does not match the speed requested by the control unit.
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