Scania fault code 4133
Code 4133 is used by 6 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
SCR control unit
The NOx sensor at the silencer outlet, T115, indicates a fixed value, even though the engine speed and load vary.
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EMU
Temperature sensor T515, short circuit to earth
The control unit indicates too low a voltage.
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EMD
T115 NOx sensor downstream of the catalytic converter
NOx sensor T115 downstream of the catalytic converter indicates a static value. The value should vary according to engine speed and load.
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EME
T115 NOx sensor downstream of the catalytic converter
NOx sensor T115 downstream of the catalytic converter indicates a static value. The value should vary according to engine speed and load.
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EMO
T115 NOx sensor downstream of the catalytic converter
NOx sensor T115 downstream of the catalytic converter indicates a static value. The value should vary according to engine speed and load.
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LAS Locking and Alarm System
Remote control 18
The control unit detects that the remote control is transmitting a continuous signal.
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