Scania fault code 4127
Code 4127 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
DDU
Camera 3 supplementary voltage supply, short circuit to earth
Information is missing, update is in progress.
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EEC Exhaust Emission Control
Exhaust gas temperature sensor upstream of oxidation catalytic converter
The exhaust gas temperature sensor upstream of the oxidation catalytic converter indicates incorrect values.
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LAS Locking and Alarm System
Remote control 12
The control unit detects that the remote control is transmitting a continuous signal.
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