6-16
TROUBLESHOOTING
ENGINE ERROR CODE LIST
Error code
Error details DTC
SPN FMI
3250
3 DPF intermediate temperature sensor fault (High voltage) P1434
4 DPF intermediate temperature sensor fault (Low voltage) P1435
1
DPF intermediate temperature sensor temperature
abnormal low temperature
P0420
0
DPF intermediate temperature sensor temperature
abnormal high (Post-injection failure)
P1426
108
3 Atmospheric pressure sensor fault (High voltage) P2229
4 Atmospheric pressure sensor fault (Low voltage) P2228
10 Atmospheric pressure sensor characteristic fault P1231
412
3 EGR gas temperature sensor fault (High voltage) P041D
4 EGR gas temperature sensor fault (Low voltage) P041C
105
3 Intake manifold temperature sensor fault (High voltage) P040D
4 Intake manifold temperature sensor fault (Low voltage) P040C
173
3 Exhaust manifold temperature sensor fault (High voltage) P0546
4 Exhaust manifold temperature sensor fault (Low voltage) P0545
1485
7 Main relay contact stuck P068B
2 Main relay early opening P068A
522243
5 Startup assist relay interrupted P0543
6 Startup assist relay GND interrupted P0541
651
(4TNV),
652
(3TNV)
5 Injector 1 open circuit (Inherent location of the injector)
P0204
(4TNV),
P0203
(3TNV)
6 Injector 1 coil short circuit
P0271
(4TNV),
P0268
(3TNV)
3 Injector 1 short circuit
P1271
(4TNV),
P1262
(3TNV)