Volvo TAD734GE Repair Manual

Group 30: Electrical system Diagnostic Trouble Codes
131
MID 128, SID 240
Program memory
MID 128: Engine control unit
FMI 2: Intermittent or faulty data.
FMI 7: Mechanical fault. The system responds in-
correctly.
FMI 11: Unidentified fault.
FMI 14: Special instruction.
FMI Fault code explanation
2, 7, 11, 14 Communication fault
Fault indication
DCU: Engine warning in DCU display.
CIU: Flash code
Flash code
Electrical fault: 9.9
Value fault: None
Symptom
The engine can not be started.
Fault tracing
FMI 2, 7, 11, 14
Conditions for fault code:
Checksum error.
Possible reason:
• Downloading interrupted.
• Internal fault in the engine control unit.
Suitable action:
1. Reprogram the engine control unit.
2. Change the engine control unit.

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