233 – SD Charger 2 Speed
ZKP-Number: 1.3011.129
Secondary turbocharger speed sensor signal error
Yellow alarm – warning
Cause
Corrective action
Speed sensor of secondary
turbocharger faulty.
Short circuit or wire break.
1. Check sensor and wiring (B44.2), replace as necessary
(→ Page 189).
2. Fault is rectified when engine is restarted (→ Page 29).
3. Contact Service.
239 – SD P-Diff Fuel
ZKP-Number: 1.8004.598
Differential pressure sensor for fuel signal error (only occurs with SD alarm "fuel before filter" or "fuel
after filter")
Yellow alarm – warning
Cause
Corrective action
Fuel differential pressure sensor
faulty.
u
Observe additional messages.
240 – SD P-Fuel
ZKP-Number: 1.8004.565
Fuel sensor signal error
Yellow alarm – warning
Cause
Corrective action
Fuel pressure sensor faulty.
Short circuit or wire break.
1. Check sensor and wiring (B34), replace as necessary
(→ Page 189).
2. Fault is rectified when engine is restarted (→ Page 29).
3. Contact Service.
245 – SD ECU Supply Voltage
ZKP-Number: 2.8006.589
Engine governor supply voltage signal error
Yellow alarm – warning
Cause
Corrective action
Internal ECU fault. Electronics
faulty.
1. Replace engine governor.
2. Contact Service.
58 | Troubleshooting | MS150112/01E 2014-10
TIM-ID: 0000029153 - 005
