Diagnostic Trouble Codes Group 30: Electrical system
52
MID 128, PID 105
Boost temperature
MID 128: Engine control unit
FMI 0: The sensor value is valid but above the nor-
mal working range.
FMI 4: The voltage is less than the normal value or
is short circuited to lower voltage.
FMI 5: The current is less than the normal value or
is open circuited.
FMI Fault code explanation
0 Boost temperature is too high
4, 5 Faulty sensor /
Faulty sensor circuit
Fault indication
DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 3.2
Value fault: 6.2
Symptom
FMI 0: Engine is derated if engine protection pa-
rameter is activated.
FMI 4, 5: Pressure set to 40° C.
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