MTU 20V4000M73 series Operating Instructions Manual page 106

241 – SD T-Circulating air
Cause
Recirculation temperature sensor
faulty; Short circuit or wire break
242 – SD T-Coolant (R)
Cause
Redundant coolant temperature
sensor faulty; Short circuit or wire
break
244 – SD P-Lube Oil (R)
Cause
Redundant lube oil pressure
sensor faulty; Short circuit or wire
break
301 – AL Timing Cylinder A1
Cause
Time-of-flight measuring fault of
injector in cylinder A1: Time-of
flight measured value extremely
low or extremely high.
302 – AL Timing Cylinder A2
Cause
Time-of-flight measuring fault of
injector in cylinder A2: Time-of
flight measured value extremely
low or extremely high.
303 – AL Timing Cylinder A3
Cause
Time-of-flight measuring fault of
injector in cylinder A3: Time-of
flight measured value extremely
low or extremely high.
104 | Troubleshooting | MS150046/03E 2018-08
ZKP-Number: 1.8004.581
Corrective action
1. Check sensor and cabling (B49), replace as necessary.
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.622
Corrective action
1. Check sensor and cabling, replace as necessary.
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.621
Corrective action
1. Check sensor and cabling, replace as necessary.
2. Error cleared after restarting the engine.
ZKP-Number: 1.8004.500
Corrective action
u If alarm occurs frequently, replace solenoid valve of injector
ZKP-Number: 1.8004.501
Corrective action
u If alarm occurs frequently, replace solenoid valve of injector
ZKP-Number: 1.8004.502
Corrective action
u If alarm occurs frequently, replace solenoid valve of injector