Scania fault code 4665
Code 4665 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
AMS
Electrically heated reductant hose H27, for high consumption
The electrically heated reductant hose has consumed more power than permitted.
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EEC Exhaust Emission Control
Reductant circuit
The reductant heater for reductant hose 3 (H27) has consumed more power than permitted.
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