MTU 20 V 4000 M93 x Operating Instructions Manual page 103

445 – SD P-Ambient Air
Cause
Ambient air pressure sensor
faulty.
464 – SD P-AUX 1
Cause
Analog input signal for Aux 1
pressure faulty; Short circuit or
wire break
468 – SD T-AUX 1
Cause
Analog input signal for Aux 1
temperature faulty;
469 – SD AUX 1
Cause
Analog input signal for Aux 1
faulty; Short circuit or wire
break
470 – SD T-ECU
Cause
Temperature sensor for ECU
faulty; Short circuit or wire
break
471 – SD Coil Current
Cause
Control of HP fuel control block
faulty; Short circuit or wire
break
ZKP-Number: 18.004.580
Corrective action
1. Check pressure sensor and cabling, replace as necessary.
2. Replace engine governor.
ZKP-Number: 18.004.589
Corrective action
u Check pressure sensor and cabling, replace as necessary.
ZKP-Number: 18.004.579
Corrective action
1. Check signal transmitter and cabling, replace as necessary.
2. Replace engine governor.
ZKP-Number: 18.004.590
Corrective action
u Check signal transmitter and cabling, replace as necessary.
ZKP-Number: 18.004.587
Corrective action
u Check sensor and cabling, replace as necessary.
ZKP-Number: 18.004.592
Corrective action
u Check sensor and cabling, replace as necessary.
MS150048/04E 2013-07 | Troubleshooting | 103