Scania fault code 4102
Code 4102 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Thawing of reductant in the SCR system
From the sensor diagnostics
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EMU
Temperature sensor T250, short circuit to earth
The control unit indicates too low a voltage.
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BMU Battery Management Unit
propulsion battery, incorrect calibration
The serial number of the battery pack differs from the serial number stored in BMU control unit A.
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PCS
Reference Torque for Exhaust Brake erroneous signal
PCS has detected an erroneous value of reference torque from ICE exhaust brake on CAN4.
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