Volvo TAD734GE Repair Manual

Diagnostic Trouble Codes Group 30: Electrical system
58
MID 128, PID 106
Boost pressure
MID 128: Engine control unit
FMI 0: The sensor value is valid but above the nor-
mal working range.
FMI 3: The voltage exceeds the normal value or is
short circuited to higher voltage.
FMI 5: The current is less than the normal value or
is open circuited.
FMI Fault code explanation
0 Boost pressure is too high
3, 5 Faulty sensor / Faulty sensor circuit
Fault indication
DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 3.4
Value fault: 3.5
Symptom
FMI 0: Power is reduced due to error torque map
if engine protection parameter is activat-
ed.
FMI 3, 5: Pressure set to atmospheric pressure
+ 30 kPa. Engine performance is derated.

Volvo TAD734GE Specifications

General

Engine Model	TAD734GE
Cooling System	Liquid-cooled
Displacement	7.15 liters
Bore x Stroke	108 x 130 mm
Aspiration	Turbocharged
Fuel System	Electronic Unit Injectors (EUI)
Engine Speed	1500 rpm
Emission Level	EU Stage II
Engine Type	4-stroke, 6-cylinder in-line diesel engine