446 – SD P-HD2
ZKP-Number: 1.8004.599
Signal error, rail pressure sensor
Yellow alarm; high-pressure regulator emergency operation
Cause
Corrective action
Rail pressure sensor faulty.
Short circuit or wire break.
1. Check sensor and wiring (B48), replace as necessary
(→ Page 248).
2. Contact Service.
448 – HI P-Charge Air
ZKP-Number: 2.0103.931
Charge-air pressure too high (limit value 1)
Yellow alarm; warning
Cause
Corrective action
Fault at turbine bypass flap.
u
Contact Service.
449 – SS P-Charge Air
ZKP-Number: 2.0103.932
Charge-air pressure too high (limit value 2)
Red alarm; engine shutdown
Cause
Corrective action
Fault at turbine bypass flap.
u
Contact Service.
450 – SD Idle/End-Torque Input [%]
ZKP-Number: 2.8006.592
Signal error, start/end torque
Yellow alarm; warning
Cause
Corrective action
Input signal for start/end torque
faulty.
Short circuit or wire break.
1. Check signal transmitter and wiring, replace as necessary.
(→ Page 248)
2. Fault is rectified when engine is restarted (→ Page 80).
3. Contact Service.
MS150110/00E 2013-10 | Troubleshooting | 151
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