allen HDX605, Safety & Operation Manual

Page: 49 / 62

Fault Codes
Diagnostic Trouble Component
(DTC)
SPN Code FMI Code Issue
Throttle Position Sensor
51
3
• TPS Circuit in the Harness Short to Power
• TPS Malfunction
4
• TPS Circuit in the Harness Short to Ground
• TPS Malfunction
3673
3
• TPS Circuit in the Harness Short to Power
• TPS Malfunction
4
• TPS Circuit in the Harness Short to Ground
• TPS Malfunction
51
0
• TPS Malfunction
1
7
31
Barometric Pressure 108 1
• Sensor Out of Calibration
• Loss for 5V Reference Feed (5V_ext1) to MAP
• Signal Wire Open or Shorted to Ground
Foot Pedal Position (FPP)
91
3
• Wiring Harness Open or Short or Damage
• FPP Malfunction
4
16
18
31 • FPP Malfunction
29
3
• Wiring Harness Open or Short or Damage
• FPP Malfunction
4
• Wiring Harness Open or Short or Damage
• FPP Malfunction
Engine Speed 515
15
• Engine Over Speed Condition, Stuck Throttle, Large Vacuum Leak Into Intake
Manifold After Throttle Blade
16 • Engine Over-Speed Condition, Faulty Crank Sensor or Input
0 • Engine Over-Speed Condition, Faulty Crank Sensor or input
Oil Pressure 100 1 • Low Oil Pressure
Adaptive Learn 4237
0
• Exhaust Leaks Upstream or Near the HEGO Sensor
• Reduced Fuel Supply Pressure to the Gaseous Fuel Control System
• An Inoperative Sensor
• An Injector that is Stuck Closed or Dirty
• Weak Spark or Lack of Spark to a Cylinder
• A Fuel Supply or Manifold Leak
• A Non-Responsive HEGO Sensor
1
• An inoperative O2 sensor
• High fuel supply pressure or temperature
• Internal mechanical engine damage
• An injector that is stuck open or leaking
• High fuel supply pressure to the gaseous fuel control or faulty pressure
regulator
• A non-responsive HEGO sensor
SECTION 3
SERVICE
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