KTM 450 SX Fault Codes
KTM 450 SX motorcycles have engines, which are made up of many different parts. These parts must work together in order for the engine to function. A problem with one of the parts can make the engine not run. There are many different parts that make up an engine. The following ktm 450 sx faults are the list of some of the parts of a motorcycle engine.
One of the most common issues with KTM 450 SX motorcycle electrical systems is a clogged battery terminal. This can cause your ride to start having issues with the electrical components. Discolored terminals are often caused by a build-up of corrosion. This will prevent electrons from flowing properly, which reduces your ride’s electrical performance.
KTM 450 SX Faults :
The warning light comes on when one of the various sensors has detected an abnormal condition in the KTM 450 SX engine's performance. For example, if the oil pressure drops below a certain threshold or if the air/fuel ratio rises beyond a certain point, then this would cause an immediate alert from your vehicle's engine management system.
KTM Motorcycle Engine Fault Codes :
| Code | Description |
|---|---|
| Constant | Tilt Sensor - input signal too high |
| Constant | Tilt Sensor - input signal too low |
| 2 | Crankshaft speed sensor - synchronization faulty |
| 2 | Crankshaft speed sensor - signal implausible |
| 2 | Crankshaft speed sensor - signal irregular |
| 2 | Crankshaft speed sensor - no signal |
| 6 | Throttle valve position sensor circuit A - adaption failed |
| 6 | Throttle valve position sensor circuit A - input signal too low |
| 6 | Throttle valve position sensor circuit A - input signal too high |
| 9 | Crankcase pressure sensor - short circuit to ground |
| 9 | Crankcase pressure sensor - open / short to plus |
| 9 | Ambient air pressure sensor - short circuit to ground |
| 9 | Ambient air pressure sensor - open / short circuit to plus |
| 12 | Coolant temperature sensor - input signal too low |
| 12 | Coolant temperature sensor - input signal too high |
| 13 | Intake air temperature sensor - input signal too low |
| 13 | Intake air temperature sensor - input signal too high |
| 14 | Crankcae pressure sensor - difference too high between sensor and engine ECU |
| 21 | Battery voltage - input voltage too low |
| 21 | Battery voltage - input voltage too high |
| 33 | Injection valve 0, cylinder 1- input signal too low |
| 33 | Injection valve 0, cylinder 1- input signal too high |
| 34 | Injection valve 1, cylinder 1- input signal too low |
| 34 | Injection valve 1, cylinder 1- input signal too high |
| 37 | Ignition coil - circuit fault |
| 41 | Fuel pump - short circuit to ground / open circuit |
| 41 | Fuel pump - open circuit / short circuit to plus |
| 42 | Oil pump - input signal too low |
| 42 | Oil pump - signal too high |
KTM Flash Codes :
Blink code of FI warning lamp (MIL) 02 FI warning lamp (MIL) flashes 2x short Error level condition Crankshaft position sensor - measurement range or power problem Blink code of FI warning lamp (MIL) 06 FI warning lamp (MIL) flashes 6x short Error level condition Throttle position sensor circuit A - input signal too low Throttle position sensor circuit A - input signal too high Blink code of FI warning lamp (MIL) 09 FI warning lamp (MIL) flashes 9x short Error level condition Manifold absolute pressure sensor - input signal too low Manifold absolute pressure sensor - input signal too high Blink code of FI warning lamp (MIL) 11 FI warning lamp (MIL) flashes 1x long, 1x short Error level condition Idle control - engine speed below target value Idle control - engine speed above target value Blink code of FI warning lamp (MIL) 12 FI warning lamp (MIL) flashes 1x long, 2x short Error level condition Engine coolant temperature sensor - input signal too low Engine coolant temperature sensor - input signal too high 22 FLASH CODE 173 Blink code of FI warning lamp (MIL) 13 FI warning lamp (MIL) flashes 1x long, 3x short Error level condition Intake air temperature sensor - input signal too low Intake air temperature sensor - input signal too high Blink code of FI warning lamp (MIL) 14 FI warning lamp (MIL) flashes 1x long, 4x short Error level condition Fuel tank sensor - circuit fault Fuel tank sensor - short circuit to ground Fuel tank sensor - short circuit to plus Blink code of FI warning lamp (MIL) 15 FI warning lamp (MIL) flashes 1x long, 5x short Error level condition Rollover sensor - plausibility Rollover sensor - circuit fault Rollover sensor - short circuit to ground Rollover sensor - short circuit to plus Blink code of FI warning lamp (MIL) 16 FI warning lamp (MIL) flashes 1x long, 6x short Error level condition Radiator fan motor - circuit fault Radiator fan motor - input signal too low Radiator fan motor - input signal too high 22 FLASH CODE 174 Blink code of FI warning lamp (MIL) 17 FI warning lamp (MIL) flashes 1x long, 7x short Error level condition Lambda sensor - circuit fault Lambda sensor - input signal too low Lambda sensor - input signal too high Lambda sensor - no function Blink code of FI warning lamp (MIL) 18 FI warning lamp (MIL) flashes 1x long, 8x short Error level condition Engine diagnosis warning lamp (MIL) - circuit fault Engine diagnosis warning lamp (MIL) - short circuit to ground Engine diagnosis warning lamp (MIL) - short circuit to plus Blink code of FI warning lamp (MIL) 19 FI warning lamp (MIL) flashes 1x long, 9x short Error level condition Fuel pump lamp - circuit fault Low fuel warning lamp - input signal too low Low fuel warning lamp - input signal too high Blink code of FI warning lamp (MIL) 21 FI warning lamp (MIL) flashes 2x long, 1x short Error level condition Engine control relay - switch-off delay 22 FLASH CODE 175 Blink code of FI warning lamp (MIL) 22 FI warning lamp (MIL) flashes 2x long, 2x short Error level condition Engine speed signal - circuit fault Engine speed signal - input signal too low Engine speed signal - input signal too high Blink code of FI warning lamp (MIL) 23 FI warning lamp (MIL) flashes 2x long, 3x short Error level condition Travel speed sensor - measurement range or power problem Blink code of FI warning lamp (MIL) 24 FI warning lamp (MIL) flashes 2x long, 4x short Error level condition System voltage - too low System voltage - too high System voltage - implausible value Blink code of FI warning lamp (MIL) 25 FI warning lamp (MIL) flashes 2x long, 5x short Error level condition Side stand switch - plausibility Side stand switch - circuit fault Side stand switch - short circuit to ground Side stand switch - short circuit to plus 22 FLASH CODE 176 Blink code of FI warning lamp (MIL) 26 FI warning lamp (MIL) flashes 2x long, 6x short Error level condition Sensor A reference voltage - input signal too low Sensor A reference voltage - input signal too high Blink code of FI warning lamp (MIL) 27 FI warning lamp (MIL) flashes 2x long, 7x short Error level condition Sensor B reference voltage - input signal too low Sensor B reference voltage - input signal too high Blink code of FI warning lamp (MIL) 33 FI warning lamp (MIL) flashes 3x long, 3x short Error level condition Injector - circuit fault Injector - input signal too low Injector - input signal too high Blink code of FI warning lamp (MIL) 41 FI warning lamp (MIL) flashes 4x long, 1x short Error level condition Fuel pump relay - circuit fault Fuel pump relay - input signal too low Fuel pump relay - input signal too high 22 FLASH CODE 177 Blink code of FI warning lamp (MIL) 45 FI warning lamp (MIL) flashes 4x long, 5x short Error level condition Lambda sensor heater - circuit fault Lambda sensor heater - short circuit to ground or open circuit Lambda sensor heater - input signal too high Blink code of FI warning lamp (MIL) 49 FI warning lamp (MIL) flashes 4x long, 9x short Error level condition Idle control - input signal too low Idle control - input signal too high Idle control - circuit fault
KTM 450 SX Motorcycle Problems :
- KTM 450 sx after fire
- KTM 450 sx air cleaner clogged, poorly sealed, or missing
- KTM 450 sx air cleaner element clogged
- KTM 450 sx air duct loose
- KTM 450 sx air suction valve trouble
- KTM 450 sx air switching valve trouble
- KTM 450 sx backfiring when deceleration
- KTM 450 sx cracked or obstructed intake air pressure sensor
- KTM 450 sx crankshaft sensor trouble
- KTM 450 sx eCU ground and power supply trouble
- KTM 450 sx eCU trouble
- KTM 450 sx engine overheating - Water temperature sensor or crankshaft sensor trouble
- KTM 450 sx engine stalls easily
- KTM 450 sx engine vacuum not synchronizing
- KTM 450 sx exhaust Smokes Excessively
- KTM 450 sx firing incorrect
- KTM 450 sx fuel filter clogged
- KTM 450 sx fuel injector clogged
- KTM 450 sx fuel injector O-ring damage
- KTM 450 sx fuel injector trouble
- KTM 450 sx fuel line clogged
- KTM 450 sx fuel poor quality or incorrect
- KTM 450 sx fuel pressure regulator trouble
- KTM 450 sx fuel pressure too low or too high
- KTM 450 sx fuel pump bearings may wear. Replace the fuel pump
- KTM 450 sx fuel pump not operating
- KTM 450 sx fuel pump operates intermittently and often DFI fuse blows
- KTM 450 sx fuel pump relay trouble
- KTM 450 sx fuel pump trouble
- KTM 450 sx fuel/air mixture incorrect
- KTM 450 sx fuel/air mixture incorrect
- KTM 450 sx gear position sensor, starter lockout or side stand switch trouble
- KTM 450 sx inspect and repair or replace
- KTM 450 sx intake air pressure sensor trouble
- KTM 450 sx intake air temperature sensor trouble
- KTM 450 sx intake air temperature sensor trouble
- KTM 450 sx intermittent any DFI fault and its recovery
- KTM 450 sx little fuel in tank
- KTM 450 sx main throttle sensor trouble
- KTM 450 sx no or little fuel in tank
- KTM 450 sx poor acceleration
- KTM 450 sx spark plug burned or gap maladjusted
- KTM 450 sx spark plug dirty, broken or gap maladjusted
- KTM 450 sx spark plug incorrect
- KTM 450 sx spark weak
- KTM 450 sx stick coil shorted or not in good contact
- KTM 450 sx stick coil trouble
- KTM 450 sx subthrottle sensor trouble
- KTM 450 sx subthrottle valve actuator trouble
- KTM 450 sx throttle body assy dust seal damage
- KTM 450 sx throttle body assy holder loose
- KTM 450 sx throttle valves will not fully open
- KTM 450 sx unstable (rough) idling
- KTM 450 sx unstable fuel pressure
- KTM 450 sx vacuum hose
- KTM 450 sx vehicle-down sensor trouble
- KTM 450 sx water or foreign matter in fuel Change fuel
- KTM 450 sx water temperature sensor trouble
The first sign that your KTM 450 SX motorcycle's starter system is working well is the warning light that appears when you switch on the ignition. It will illuminate for a few seconds, and then go out. This is a good sign that your starter system is working properly and you'll be able to start your motorcycle without difficulty.
Possible Failure Types :
- Strange KTM 450 SX engine noise.
- KTM 450 SX fog from engine.
- Strange KTM 450 SX engine noise.
- KTM 450 SX Vibrations and Rattling
- KTM 450 SX Loud Acceleration
- KTM 450 SX rusty exhaust
- KTM 450 SX blockages in exhaust pipe
- KTM 450 SX wear and tear exhaust
Through a very complicated series of events, the informal company started in Mattighofen, Austria in 1934 became KTM AG in 1992. KTM is now one of the largest European producers of motorcycles, and are world-famous for their nearly indestructible off-road and adventure bikes.
Check other KTM fault codes.Common abbreviations and their meanings below:
ABS: Anti-Lock Braking System ACR: Automatic Compression Release AFR: Air Fuel Ratio AIS: Active Intake Solenoid ATS: Air Temperature Sensor BAS: Bank Angle Sensor BCM: Body Control Module CAN: Controller Area Network CCM: Cruise Control Module CKP: Crank Position Sensor DLC: Datalink Connector DTC: Diagnostic Trouble Codes ECM: Electronic Control Module ECT: Engine Coolant Temperature ECU: Electronic Control Unit EFI: Electronic Fuel Injection EFP: Electronic Fuel Pump ET: Engine Temperature sensor FI: Fuel Injectors FPR: Fuel Pressure Regulator H-DSSS: Harley-Davidson® Smart Security System HCU: Hydraulic Control Unit, ABS HFSM: Hands Free Security Module HO2S: Heated Oxygen Sensor IAC: Idle Air Control actuator IAT: Intake Air Temperature sensor ICM: Ignition Control Module IMAP: MAP + IAT in one unit ISS: Ion Sensing System JSS: Jiffy Stand Sensor LHCM: Left Hand Control Module MAP: Manifold Absolute Pressure sensor MHR: Right Hand Control Module RCM: Reverse Control Module TCA: Throttle Control Actuator TGS: Twist Grip Sensor TMAP: Intake Air Temperature / Manifold Absolute Pressure equipment TPS: Throttle Position Sensor TSM / TSSM: (Turn Signal / Turn Signal Security Module) VE: Volume Efficiency VIN: Vehicle Identification Number VSS: Vehicle Speed Sensor WSS: Wheel Speed Sensor
These abbreviations, and the accompanying list of trouble codes, can be a great start when your KTM check engine light comes on. As mentioned above, if you are not comfortable with electrical diagnostic work, a dealership or qualified technician can offer assistance. Please keep in mind that even though you have the ability to clear a DTC using the onboard diagnostic feature, you shouldn't clear the code prior to your service appointment. Let the technician view and clear the codes as they troubleshoot the issue.
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