Scania fault code 4099
Code 4099 is used by 8 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
FAME concentration in fuel is too low.
The measured concentration of FAME in fuel is too low.
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EMU
Temperature sensor T249, short circuit to supply voltage or open circuit
The control unit indicates too high a voltage.
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BMU Battery Management Unit
Voltage supply to the BMU control unit is too high
Power supply to the BMU control unit is too high, over 32 V.
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EMD
Fuel sensor B100, low FAME level
A level of FAME that is too low has been measured.
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EME
FAME concentration below 85% detected.
The measured concentration of FAME in fuel is too low.
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EMO
FAME concentration below 85% detected.
The measured concentration of FAME in fuel is too low.
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PCS
Too low value of reference engine torque
PCS has detected a too low value of reference torque of ICE on CAN4.
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ICL Instrument Cluster
Background lighting, display
Fault in the driver or LED for display background lighting.
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