Scania fault code 4674
Code 4674 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Unit injector for cylinder 4
It has taken longer than expected for the control unit to build up the current in the solenoid valve. The control unit uses the battery voltage and the engine temperature to calcul…
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AMS
Electrically heated reductant hose H28, open circuit or short circuit to high supply voltage
The control unit for the exhaust gas aftertreatment management system indicates that the pins for the electrically heated reductant hose are short circuited to supply voltage or th…
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EEC Exhaust Emission Control
Reductant circuit
Fault in the reductant heater for reductant hose 4 (H28).
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