231 – SD Camshaft Speed
ZKP-Number: 1.8004.499
Camshaft sensor signal error
Yellow alarm - warning
Cause
Corrective action
Camshaft sensor faulty.
Short circuit or wire break.
1. Check sensor and wiring (B1), replace as necessary
(→ Page 181).
2. Fault is rectified when engine is restarted (→ Page 35).
3. Contact Service.
232 – SD Charger 1 Speed
ZKP-Number: 1.3011.128
Primary turbocharger speed sensor signal error
Yellow alarm - warning
Cause
Corrective action
Speed sensor of primary
turbocharger faulty.
Short circuit or wire break.
1. Check sensor and wiring (B44.1), replace as necessary
(→ Page 181).
2. Fault is rectified when engine is restarted (→ Page 35).
3. Contact Service.
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 181).
2. Fault is rectified when engine is restarted (→ Page 35).
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.
MS150096/01E 2012-08 | Troubleshooting | 65
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