Scania fault code 4630
Code 4630 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Unit injector for cylinder 1
The control unit has detected that the solenoid valve in the unit injector has closed too late. Start of injection timing is later than expected.
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AMS
Reductant pump V183, the pump’s operation is interrupted too often
The reductant pump has sent an error message to the EEC controller.
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ICL Instrument Cluster
DAU
The driver alert unit (DAU) indicates internal fault 2.
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