Diagnostic Trouble Codes Group 30: Electrical system
64
MID 128, PID 108
Ambient air pressure
MID 128: Engine control unit
FMI 2: Intermittent or faulty data.
FMI 3: The voltage exceeds the normal value or is
short circuited to higher voltage.
FMI 4: The voltage is less than the normal value or
is short circuited to lower voltage.
FMI Fault code explanation
2 Plausibility
3, 4 Faulty sensor / Faulty sensor circuit
Fault indication
DCU: None
CIU: None
Flash code
Electrical fault: None
Value fault: None
Symptom
FMI 3, 4: Ambient pressure is set to 1.0 bar.
Component description
Sensor is placed inside the engine control unit.
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