MTU 16V4000M73 Operating Instructions Manual page 102

232 – SD Charger 1 Speed
Cause
The signal from the A side ETC
speed sensor (B44.1) is faulty or
missing.
233 – SD Charger 2 Speed
Cause
The signal from the B side ETC
speed sensor (B44.2) is faulty or
missing.
239 – SD P-Diff Fuel
Cause
The pressure sensors B34.1
and/or B34.2 supply a faulty
signal or no signal.
240 – SD P-Fuel
Cause
The signal from the fuel pressure
sensor after main fuel filter
(B34.1) is faulty or missing.
241 – SD T-Umblasen
Cause
Charge-air temperature sensor
(B49) supplies incorrect signal or
no signal.
245 – SD ECU Power Supply Voltage
Cause
The signal from the voltage sensor
in the ECU is faulty or missing.
266 – SD Speed Demand
Cause
The analog nominal speed setting
signal is missing.
102 | Troubleshooting | MS150123/01E 2017-05
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Check engine wiring (→ Page 268).
2. Contact Service.
Corrective action
1. Switch on plant automation.
2. Contact Service.