MTU M015710/04E Operating Instructions Manual page 104

444 – SD U-PDU
Cause
Injector power stage sensor
defect; Internal fault in ECU.
445 – SD P-Ambient Air
Cause
Ambient air pressure sensor
faulty.
448 – HI P-Charge Air
Limit value 1
Cause
Charge-air pressure too high.
449 – SS P-Charge Air
Limit value 2
Cause
Charge-air pressure too high.
450 – SD Idle/End-Torque Input [%]
Cause
Input signal for initial/final torque
faulty; short circuit or wire break.
454 – SS Power Reduction Active
Cause
Power reduction is active.
ZKP-Number: 1.8004.578
Corrective action
u Replace Engine Control Unit.
ZKP-Number: 1.8004.580
Corrective action
u Replace Engine Control Unit.
ZKP-Number: 2.0103.931
Corrective action
u Contact Service.
ZKP-Number: 2.0103.932
Corrective action
u Contact Service.
ZKP-Number: 2.8006.592
Corrective action
u Check signal transmitter and cabling, replace as necessary.
Error cleared after restarting the engine.
ZKP-Number: 2.7000.011
Corrective action
1. Note further fault messages.
2. Determine cause of power reduction and rectify fault
M015710/04E 2012-09 | Troubleshooting | 119