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Fault code
No.
444
445
448
449
450
454
455
456
460
461
462
60 | Troubleshooting | MS150054/02E 2012-02
Designation
SD U-PDU
SD P-Ambient Air
HI P-Charge Air
SS P-Charge Air
SD Idle/end Torque In‐
put [%]
SS Power Reduction
Active
AL L1 Aux 1 Plant
AL L2 Aux 1 Plant
HI T-Exhaust EMU
LO T-Exhaust EMU
AL L1 T-Coolant EMU
Meaning
SD alarm configuration; In‐
jector power stage sensor
defect; Internal fault in
ECU7.
SD alarm configuration;
Ambient air pressure sensor
faulty.
Alarm configuration limit
value 1; Preliminary warn‐
ing: Charge-air pressure too
high.
Alarm configuration limit
value 2; Main warning:
Charge-air pressure too
high.
SD alarm configuration; In‐
put signal for initial/final tor‐
que faulty; Short circuit or
wire break.
Alarm configuration; power
reduction is active.
Alarm configuration limit
value 1; Input signal of Aux
1 (plant side) has exceed‐
ed/not attained limit value 1,
depending on configuration.
Alarm configuration limit
value 2; Input signal of Aux
1 (plant side) has exceed‐
ed/not attained limit value 2,
depending on configuration.
Alarm configuration limit
value; EMU exhaust tem‐
perature value too high.
Alarm configuration limit
value; EMU exhaust tem‐
perature value too low.
Alarm configuration limit
value; EMU coolant temper‐
ature value too high/low.
Related
parameter
Task
No.
Replace ADEC
1.8004.57
(ECU 7).
8
Replace engine
1.8004.58
governor.
0
2.0103.93
Contact Service.
1
2.0103.93
Contact Service.
2
Check signal sen‐
sor and cabling,
replace as neces‐
sary.
Error cleared after
restarting the en‐
2.8006.59
gine.
2
1. Note further
fault messages.
2. Determine and
rectify reason for
2.7000.01
power reduction.
1
Determine and
rectify reason for
limit value viola‐
2.8006.65
tion.
0
Determine and
rectify reason for
limit value viola‐
2.8006.65
tion.
1
1. Check cabling.
2.8006.65
2. Contact Service.
2
1. Check cabling.
2.8006.65
2. Contact Service.
3
Check configura‐
2.8006.65
tion with DiaSys.
4
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