442 – AL L2 P-Aux1
Cause
Corrective action
The value measured by the
pressure measuring sensor at the
pressure measuring channel has
violated limit value 2. The
pressure value at the pressure
measuring channel is too low.
u
Contact Service.
444 – SD U-PDU
Cause
Corrective action
Fault in the internal power supply
for the injector output stage.
u
Contact Service.
445 – SD P-Ambient Air
Cause
Corrective action
The signal from the ambient
pressure sensor in the ECU is
faulty or missing.
u
Contact Service.
446 – SD P-HD2
Cause
Corrective action
The signal from the rail pressure
sensor (B48.2) B side is faulty or
missing.
u
Contact Service.
448 – HI P-Charge Air
Cause
Corrective action
The charge-air pressure measured
at sensor B10 has violated limit
value 1. The charge-air pressure is
too high.
u
Contact Service.
449 – SS P-Charge Air
Cause
Corrective action
The charge-air pressure measured
at sensor B10 has violated limit
value 2. The charge-air pressure is
too high.
u
Contact Service.
454 – SS Power Reduction Active
Cause
Corrective action
Power reduction activated. A main
alarm has activated power
reduction.
1. Check for additional messages.
2. Contact Service.
78 | Troubleshooting | MS150100/04E 2015-09
TIM-ID: 0000064702 - 001
