MTU 8V4000Lx4 Operating Instructions Manual page 124

229 – AL Stop Camshaft Sensor Defect
Red alarm. Engine stop.
Associated parameter 1.8004.562
Cause
Engine stop due to camshaft
sensor fault (and a previous
crankshaft sensor fault in the
same operating cycle).
231 – SD Camshaft Speed
Red alarm. Engine stop.
Associated parameter 1.8004.499
Cause
Camshaft sensor defective,
short circuit or wire break.
232 – SD Charger 1 Speed
Red alarm.
Associated parameter 1.3011.128
Cause
Speed sensor of primary
turbocharger defective, short
circuit or wire break.
233 – SD Charger 2 Speed
Red alarm.
Associated parameter 1.3011.129
Cause
Speed sensor of secondary
turbocharger defective, short
circuit or wire break.
245 – SD ECU Power Supply Voltage
Red alarm.
Associated parameter 2.8006.589
Cause
Internal Engine Control Unit
fault.
124 | Troubleshooting | MS15026/00E 2015-05
Corrective action
u Check sensor and cabling (B1.1), replace if necessary. Fault is
rectified following engine restart.
Corrective action
u Check sensor and cabling (B1.1), replace if necessary. Fault is
rectified following engine restart.
Corrective action
u Turbocharger speed sensor is not fitted at present.
Corrective action
u Turbocharger speed sensor is not fitted at present.
Corrective action
u Replace ADEC Engine Control Unit.