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DIAGNOSTIC CODES
COMPONENT
CONDITION
SPN
FMI
Signal Out of Range
102
2
Crankshaft Position
Sensor
Circuit Fault
636
8
Plausibility Fault
636
2
Vehicle Speed Signal
Speed Too High
84
8
Plausibility Fault
84
2
Gear Sensor Signal
Voltage Too Low
523
4
Voltage Too Low
523
3
Signal Fault
523
2
Injector 1 (MAG) (SDI
Part Load)
Driver Circuit Open/
Grounded
651
5
Driver Circuit Short to
B+
651
3
Driver Circuit
Grounded
651
4
Injector 2 (PTO) (SDI
Part Load)
Driver Circuit Open/
Grounded
652
5
Driver Circuit Short to
B+
652
3
Driver Circuit
Grounded
652
4
Ignition Coil Primary
Driver 1 (MAG)
Driver Circuit Short to
B+
1268
3
Ignition Coil Primary
Driver 2 (PTO)
Driver Circuit Short to
B+
1269
3
Fuel Pump Driver
Circuit
Driver Circuit Open/
Grounded
1347
5
Driver Circuit Short to
B+
1347
3
Driver Circuit
Grounded
1347
4
Fan Relay Driver
Circuit
Driver Circuit Open/
Grounded
1071
5
Driver Circuit Short to
B+
1071
3
157
Summary of Contents for Sportsman 850 2021
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