Scania fault code 8263
Code 8263 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
SCR - Reductant doser
The voltage in the circuit has been outside the permitted range.
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AMS
V117, Reductant doser on silencer, open circuit
Fault in the reductant doser injection valve V117.
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EEC Exhaust Emission Control
Reductant doser
Fault in reductant doser injection valve.
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