MTU 20 V 4000 G23, Technical Publication

Page: 87 / 178

82 Troubleshooting
Fault
code No. Designation Meaning Task
Related
parameter No.
231 SD camshaft SD alarm configuration;
Camshaft sensor faulty; short
circuit or wire break.
Check sensor and
cabling (B1), replace
as necessary.
Error cleared after
restarting the engine.
1.8004.499
232 SD ETC Speed 1 SD alarm configuration; Speed
sensor of primary turbocharger
faulty; short circuit or wire
break.
Check sensor and
cabling (B44.1),
replace as necessary.
Error cleared after
restarting the engine.
1.3011.128
233 SD ETC Speed 2 SD alarm configuration;
Speed sensor of secondary
turbocharger faulty; short
circuit or wire break.
Check sensor and
cabling (B44.2),
replace as necessary.
Error cleared after
restarting the engine.
1.3011.129
240 SD P-Fuel SD alarm configuration; Fuel
pressure sensor faulty; short
circuit or wire break.
Check sensor and
cabling (B34),
replace as necessary.
Error cleared after
restarting the engine.
1.8004.565
241 SD T-Recirculation SD alarm configuration;
Recirculation sensor faulty;
short circuit or wire break.
Check sensor and
cabling (B49),
replace as necessary.
Error cleared after
restarting the engine.
1.8004.581
242
SD T-Coolant
Redundant
SD alarm configuration;
Redundant coolant pressure
sensor faulty; short circuit or
wire break.
Check sensor and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
1.8004.622
244 SD Oil Press Redundant SD alarm configuration;
Redundant lube oil pressure
sensor faulty; short circuit or
wire break.
Check sensor and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
1.8004.621
245 SD ECU Supply Voltage SD alarm configuration;
Internal ECU fault; Electronics
faulty. Replace ECU.
2.8006.589
266 SD Speed Demand SD alarm configuration; Analog
speed demand faulty; short
circuit or wire break.
1. Check cabling
2. Check speed
demand signal.
2.8006.586
269 SD Loadp.Analog filt SD alarm configuration;
Filtered analog signal of load
pulse missing; short circuit or
wire break.
Check cabling,
replace as necessary.
Error cleared after
restarting the engine. 2.8006.588
M015715/00E 06-08 © MTU