SPN Code
|
SPN Name
|
|
FMI Code
|
FMI Name
|
27
|
EGR Valve Position Signal
|
|
0
|
Extremely High
|
28
|
Digital Throttle Signal
|
|
1
|
Extremely Low
|
29
|
Secondary Analog Throttle Signal
|
|
2
|
Invalid
|
51
|
Air Throttle Actuator Position Signal
|
|
3
|
Out of Range High
|
54
|
Throttle Signal
|
|
4
|
Out of Range Low
|
91
|
Primary Analog Throttle Signal
|
|
5
|
High Resistance
|
94
|
Low Pressure Fuel Signal
|
|
6
|
Low Resistance
|
96
|
Fuel Level
|
|
7
|
Mismatch
|
97
|
Water-in-fuel Signal
|
|
8
|
Signal Missing
|
100
|
Engine Oil Pressure Signal
|
|
9
|
Loss of Communication
|
101
|
Crankcase Pressure Signal
|
|
10
|
Change Abnormal
|
102
|
Manifold Air Pressure Signal
|
|
11
|
Activated
|
103
|
Turbocharger Speed Signal
|
|
12
|
Error
|
105
|
Manifold Air Temperature Signal
|
|
13
|
Fault
|
107
|
Air Filter Pressure Differential
|
|
14
|
Incorrect Message
|
108
|
Barometric Pressure Signal
|
|
15
|
Slightly High
|
109
|
Engine Coolant Pressure Signal
|
|
16
|
Moderately High
|
110
|
Engine Coolant Temperature Signal
|
|
17
|
Slightly Low
|
111
|
Engine Coolant Level Alarm Switch
|
|
18
|
Moderately Low
|
127
|
Transmission Oil Pressure Signal
|
|
19
|
Communication Error
|
157
|
Fuel Rail Pressure Signal
|
|
31
|
Condition Exists
|
158
|
ECU Power Down
|
|
|
|
168
|
Unswitched Battery Voltage
|
|
|
|
174
|
Fuel Temperature Signal
|
|
|
|
177
|
Transmission Oil Temperature Signal
|
|
|
|
189
|
Engine Speed Derate
|
|
|
|
190
|
Engine Speed
|
|
|
|
191
|
Engine/Pump Speed
|
|
|
|
237
|
VIN Security Data
|
|
|
|
412
|
EGR Temperature Signal
|
|
|
|
569
|
Rear Axle Diff Lock Signal
|
|
|
|
611
|
Injector Drive #1
|
|
|
|
612
|
Injector Drive #2
|
|
|
|
620
|
Sensor Supply Voltage
|
|
|
|
627
|
All Injector Circuits
|
|
|
|
628
|
ECU Programming
|
|
|
|
629
|
ECU EEPROM
|
|
|
|
632
|
Fuel Shutoff Valve
|
|
|
|
636
|
Camshaft Position Signal
|
|
|
|
637
|
Crankshaft Position Signal
|
|
|
|
638
|
Rack Position
|
|
|
|
639
|
CAN Bus
|
|
|
|
640
|
External Engine Protection
|
|
|
|
641
|
VGT Actuator
|
|
|
|
644
|
Lead ECU Sync Circuit
|
|
|
|
647
|
Engine Fan Drive Circuit
|
|
|
|
651
|
Injector #1
|
|
|
|
652
|
Injector #2
|
|
|
|
653
|
Injector #3
|
|
|
|
654
|
Injector #4
|
|
|
|
655
|
Injector #5
|
|
|
|
656
|
Injector #6
|
|
|
|
676
|
Cold Start Aid Relay Output Signal
|
|
|
|
729
|
Inlet Air Heater Signal
|
|
|
|
833
|
Rack Position Sensor
|
|
|
|
834
|
Rack Actuator
|
|
|
|
898
|
Requested Engine Speed Signal
|
|
|
|
970
|
External Shutdown Switch
|
|
|
|
971
|
External Derate Switch
|
|
|
|
974
|
Remote Throttle Signal
|
|
|
|
1075
|
Low Pressure Fuel Pump Data
|
|
|
|
1076
|
Fuel Inj Pump Control Valve
|
|
|
|
1077
|
Fuel Inj Pump Control Valve
|
|
|
|
1078
|
Fuel Inj Pump Spd/Pos Sensor
|
|
|
|
1079
|
Sensor Supply 1 Voltage
|
|
|
|
1080
|
Sensor Supply Voltage
|
|
|
|
1109
|
Engine Protection Approaching
|
|
|
|
1110
|
Engine Protection
|
|
|
|
1136
|
ECU Temperature Signal
|
|
|
|
1172
|
Intake Air Temperature
|
|
|
|
1176
|
Intake Air Pressure
|
|
|
|
1180
|
Calculated VGT Turbine Inlet Temp
|
|
|
|
1209
|
Exhaust Manifold Pressure Signal
|
|
|
|
1321
|
Engine Starter Control Circuit
|
|
|
|
1347
|
Suction Control Valve Circuit
|
|
|
|
1348
|
Fuel Pump Control Valve #2
|
|
|
|
1349
|
Redundant Fuel Rail Pressure Signal
|
|
|
|
1485
|
Pump Power Relay
|
|
|
|
1568
|
Torque Curve Selection
|
|
|
|
1569
|
Engine Power Derate
|
|
|
|
1638
|
Hydraulic Oil Temperature Signal
|
|
|
|
1639
|
Fan Speed Signal
|
|
|
|
1762
|
Hydraulic Oil Pressure Signal
|
|
|
|
2000
|
Incorrect ECU
|
|
|
|
2002-2253
|
Source Address 2-253
|
|
|
|
2629
|
Fixed Turbo Comp Outlet Temp Signal
|
|
|
|
2630
|
Charge Air Cooler Outlet Temp Signal
|
|
|
|
2659
|
EGR Flow Signal
|
|
|
|
2790
|
Fixed Turbocharger Comp Outlet Temp
|
|
|
|
2791
|
EGR Valve Drive Circuit
|
|
|
|
2795
|
VGT Calibration Version
|
|
|
|
2797
|
Injector High Voltage Supply #1
|
|
|
|
2798
|
Injector High Voltage Supply #2
|
|
|
|
3246
|
DPF Outlet Temperature
|
|
|
|
3251
|
DPF Differential Pressure Signal
|
|
|
|
3464
|
Air Throttle Actuator Drive Circuit
|
|
|
|
3471
|
Fuel Dosing Control Valve Signal
|
|
|
|
3480
|
Fuel Dosing Inlet Pressure Signal
|
|
|
|
3482
|
Fuel Dosing Shutoff Valve Signal
|
|
|
|
3509
|
Sensor Supply #1 Voltage
|
|
|
|
3510
|
Sensor Supply #2 Voltage
|
|
|
|
3511
|
Sensor Supply #3 Voltage
|
|
|
|
3512
|
Sensor Supply #4 Voltage
|
|
|
|
3513
|
Sensor Supply #5 Voltage
|
|
|
|
3514
|
Sensor Supply #6 Voltage
|
|
|
|
3556
|
Fuel Dosing Nozzle
|
|
|
|
3587
|
Auto ether Control Circuit
|
|
|
|
3597
|
Injector Power Supply Voltage
|
|
|
|
3598
|
Injector Power Supply Voltage #2
|
|
|
|
3659
|
Spill Valve Circuit #1
|
|
|
|
3660
|
Spill Valve Circuit #2
|
|
|
|
3661
|
Spill Valve Circuit #3
|
|
|
|
3662
|
Spill Valve Circuit #4
|
|
|
|
3663
|
Spill Valve Circuit #5
|
|
|
|
3664
|
Spill Valve Circuit #6
|
|
|
|
3711
|
DOC Inlet Temp
|
|
|
|
3719
|
Calculated Soot Level
|
|
|
|
3720
|
Calculated Ash Level
|
|
|
|
3822
|
Rear EGR Valve Position Signal
|
|
|
|
3936
|
DPF Fault Occurrences
|
|
|
|
4077
|
Fuel Dosing Outlet Pressure Signal
|
|
|
|
4490
|
Intake Air Humidity
|
|
|
|
4765
|
DOC Inlet Temp
|
|
|
|
4766
|
DOC Outlet Temp
|
|
|
|
4795
|
DPF Missing
|
|
|
|
5018
|
DOC Fault Occurrences
|
|
|
|
5125
|
Sensor Supply #7 Voltage
|
|
|
|
5126
|
Sensor Supply #8 Voltage
|
|
|
|
5298
|
DOC Fault Occurrences
|
|
|
|
5456
|
Fuel Dosing Inlet Temp Signal
|
|
|
|
522458
|
Fuel Dosing Pump Data
|
|
|
|
522494
|
Intake Air Sensor Communication
|
|
|
|
522495
|
Exhaust Filter Temp Module
|
|
|
|
523379
|
Single Point Ground #7
|
|
|
|
523744
|
A/C Compressor
|
|
|
|
523926
|
Reverse Pump Pressure Sensor #1 Signal
|
|
|
|
523926
|
Reverse Pump Pressure Sensor #1 Signal
|
|
|
|
523927
|
Forward Pump Pressure Sensor #2 Signal
|
|
|
|
523927
|
Forward Pump Pressure Sensor #2 Signal
|
|
|
|
524037
|
MFWD Switch Circuit
|
|
|
|
524223
|
Rear Axle Diff Lock Signal
|
|
|
|
524225
|
Engine Start Protection
|
|
|
|
524235
|
MFWD Solenoid Circuit Voltage
|
|
|
|