Content Source: 2020 600/800 HO/850 AXYS Conventional Tunnel Owner’s Manual (9929775 R02) > Troubleshooting Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

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Diagnostic Display Code Definitions

Open Load: There is a break in the wires that lead to the item listed in the chart (injector, fuel pump, etc.), or the item has failed.
Short-to-Ground: The wire is shorted to ground between the electronic control unit and the item listed in the chart.
Shorted Load: The wires leading to the item listed in the chart are shorted together, or the item has shorted internally.
Short-to-Battery: The wire leading from the item listed in the chart to the electronic control unit is shorted to a wire at battery voltage.

Diagnostic Codes

Component

Condition

SPN

FMI

Throttle Position Sensor

Voltage Too High

51

3

Voltage Too Low

4

Abnormal Rate of Change

10

Vehicle Speed Sensor

Data Erratic, Intermittent or Missing

84

2

Intake Air Temperature Sensor

Voltage Too High

105

3

Voltage Too Low

4

Barometric Pressure Sensor

Voltage Too High

108

3

Voltage Too Low

4

Engine Temperature Sensor

Voltage Too High

110

3

Voltage Too Low

4

Temperature Too High

16

Engine Overheat Shutdown

0

Temperature Above Normal Range

15

Alternator Power Supply Potential (DC Chassis Voltage)

Voltage Too High

167

3

Voltage Too Low

4

Exhaust Temperature Sensor

Voltage Too High

173

3

Voltage Too Low

4

ECU Memory

Checksum/CRC Error

628

13

Injector 1 (MAG

Driver Circuit Open/Grounded

651

5

Driver Circuit Short to B+

3

Injector 2 (PTO)

Driver Circuit Open/Grounded

652

5

Driver Circuit Short to B+

3

Knock Sensor 1

Voltage Too Low

731

4

Ignition Coil Primary Driver 1 (MAG)

Driver Circuit Open/Grounded

1268

5

Fuel Pump Driver Circuit

Driver Circuit Open/Grounded

1347

5

Knock Level Cylinder 1 (MAG)

Maximum Detonation Correction Limit Reached

1352

0

Knock Above Critical Level

16

Knock Level Cylinder 2 (PTO)

Maximum Detonation Correction Limit Reached

1353

0

Knock Above Critical Level

16

Sensor Supply Voltage 1

(TPS/TMAP Sensor Power)

Voltage Too Low

3509

4

Sensor Supply Voltage 2 (Ground Speed Sensor)

Voltage Too Low

3510

4

ECU Output Supply Voltage 2 (Injection Supply PWR)

Voltage Too High

3598

3

Voltage Too Low

4

Throttle Release Signal

Voltage Too High

520194

3

Voltage Too Low

4

Throttle Stuck

7

Chassis Relay

Driver Circuit Open/Grounded

520208

5

Driver Circuit Short to B+

3

Exhaust Valve Solenoid

(600 Only)

Driver Circuit Grounded

520215

5

Driver Circuit Short to B+

3

EV Actuator Driver (Controller) (800 H.O. Only)

Voltage Too High

520324

3

Voltage Too Low

4

Learn Failure

13

Hardware Failure

12

Commanded Pos. Not Achieved

7

PWM Set Missing

2

MAX Temperature Exceeded

520334

31

Signal Out of Range - Valve Open

520325

31

Signal Out of Range - Valve Mid

520326

31

Signal Out of Range - Valve Closed

520327

31

Short to Battery Voltage

520335

3

Short to Ground

4

Abnormal Transition

10

Electronic Oil Pump

Driver Circuit Open / Grounded

3589

4

Driver Circuit Grounded

5

Oil Pump or Fuel Injector Settings not Programmed

Out of Calibration

520241

13

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