Scania fault code 8724
Code 8724 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
NOx sensor T131 upstream of the SCR catalytic converter
NOx sensor T131 upstream of the SCR catalytic converter signals internal fault in the NOx sensor.
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EMU
Water valve V245, feedback signal, signal failure
The control unit indicates a missing PWM input signal.
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EEC Exhaust Emission Control
NOx sensor upstream of the SCR catalytic converter
NOx sensor T131 upstream of the catalytic converter has not started within the expected time.
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