MTU 16V4000C21 - Page 59

Flash-
ing
code
PID SID FMI Description Maintenance tasks
23 65 Oxygen concentration cir-
cuit, input voltage too high.
1. Check cabling.
2. Contact Service.
24 174 4 Fuel temperature sensor, in-
put voltage too high.
1. Check cabling.
2. Contact Service.
24 65 4 Oxygen concentration cir-
cuit, input voltage too low.
1. Check cabling.
2. Contact Service.
25 Reserved for “No Codes”. No troubleshooting.
26 25 11 Aux. shutdown 1 active. Contact Service.
26 61 11 Aux. shutdown 2 active. Contact Service.
27 105 3 Inlet elbow temperature sen-
sor, input voltage too high.
1. Check cabling.
2. Contact Service.
27 171 3 Outside temperature sensor,
input voltage too high.
1. Check cabling.
2. Contact Service.
27 172 3 Air temperature sensor, in-
put voltage too high.
1. Check cabling.
2. Contact Service.
28 105 4 Inlet elbow temperature sen-
sor, input voltage too low.
1. Check cabling.
2. Contact Service.
28 171 4 Outside temperature sensor,
input voltage too low.
1. Check cabling.
2. Contact Service.
28 172 4 Air temperature sensor, in-
put voltage too low.
1. Check cabling.
2. Contact Service.
29 351 4 Circuit exhaust turbocharger
inlet temperature defective /
low (version 33.0 or later).
1. Check cabling.
2. Contact Service.
29 404 4 Temperature sensor/ ex-
haust turbocharger outlet, in-
put voltage too low (version
32.0 or later).
1. Check cabling.
2. Contact Service.
31 51 3 Auxiliary output 3, open cir-
cuit (side "high") S3.
Contact Service.
31 51 4 Auxiliary output 3, ground
short circuit (side "high") S3.
Contact Service.
31 51 7 Auxiliary output 3, fault in
mechanical system S3.
Contact Service.
31 52 3 Auxiliary output 4, open cir-
cuit (side "high") S3.
Contact Service.
31 52 4 Auxiliary output 4, ground
short circuit (side "high") T3.
Contact Service.
31 52 7 Auxiliary output 4, fault in
mechanical system T3.
Contact Service.
32 238 3 SEL, short circuit on battery
circuit (plus).
1. Check cabling.
2. Contact Service.
32 238 4 SEL, open circuit . 1. Check cabling.
2. Contact Service.
32 239 3 CEL, short circuit on battery
circuit (plus).
1. Check cabling.
2. Contact Service.
MS150049/04E 2017-04 | Troubleshooting | 59
TIM-ID: 0000003162 - 002