KTM 150 SX Fault Codes
KTM 150 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 150 sx faults are the list of some of the parts of a motorcycle engine.
To fix the issue of fault codes, you’ll need to disconnect the battery cable. This will ensure that you don’t get shocked while handling the terminals. Next, you will want to clean them with a soft brush and water to get rid of the corrosion. Once KTM 150 SX is cleaned properly, you can put them back on the terminal and reattach the cable.
KTM 150 SX Faults :
The warning light comes on when one of the various sensors has detected an abnormal condition in the KTM 150 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 150 SX Motorcycle Problems :
- KTM 150 sx after fire
- KTM 150 sx air cleaner clogged, poorly sealed, or missing
- KTM 150 sx air cleaner element clogged
- KTM 150 sx air duct loose
- KTM 150 sx air suction valve trouble
- KTM 150 sx air switching valve trouble
- KTM 150 sx backfiring when deceleration
- KTM 150 sx cracked or obstructed intake air pressure sensor
- KTM 150 sx crankshaft sensor trouble
- KTM 150 sx eCU ground and power supply trouble
- KTM 150 sx eCU trouble
- KTM 150 sx engine overheating - Water temperature sensor or crankshaft sensor trouble
- KTM 150 sx engine stalls easily
- KTM 150 sx engine vacuum not synchronizing
- KTM 150 sx exhaust Smokes Excessively
- KTM 150 sx firing incorrect
- KTM 150 sx fuel filter clogged
- KTM 150 sx fuel injector clogged
- KTM 150 sx fuel injector O-ring damage
- KTM 150 sx fuel injector trouble
- KTM 150 sx fuel line clogged
- KTM 150 sx fuel poor quality or incorrect
- KTM 150 sx fuel pressure regulator trouble
- KTM 150 sx fuel pressure too low or too high
- KTM 150 sx fuel pump bearings may wear. Replace the fuel pump
- KTM 150 sx fuel pump not operating
- KTM 150 sx fuel pump operates intermittently and often DFI fuse blows
- KTM 150 sx fuel pump relay trouble
- KTM 150 sx fuel pump trouble
- KTM 150 sx fuel/air mixture incorrect
- KTM 150 sx fuel/air mixture incorrect
- KTM 150 sx gear position sensor, starter lockout or side stand switch trouble
- KTM 150 sx inspect and repair or replace
- KTM 150 sx intake air pressure sensor trouble
- KTM 150 sx intake air temperature sensor trouble
- KTM 150 sx intake air temperature sensor trouble
- KTM 150 sx intermittent any DFI fault and its recovery
- KTM 150 sx little fuel in tank
- KTM 150 sx main throttle sensor trouble
- KTM 150 sx no or little fuel in tank
- KTM 150 sx poor acceleration
- KTM 150 sx spark plug burned or gap maladjusted
- KTM 150 sx spark plug dirty, broken or gap maladjusted
- KTM 150 sx spark plug incorrect
- KTM 150 sx spark weak
- KTM 150 sx stick coil shorted or not in good contact
- KTM 150 sx stick coil trouble
- KTM 150 sx subthrottle sensor trouble
- KTM 150 sx subthrottle valve actuator trouble
- KTM 150 sx throttle body assy dust seal damage
- KTM 150 sx throttle body assy holder loose
- KTM 150 sx throttle valves will not fully open
- KTM 150 sx unstable (rough) idling
- KTM 150 sx unstable fuel pressure
- KTM 150 sx vacuum hose
- KTM 150 sx vehicle-down sensor trouble
- KTM 150 sx water or foreign matter in fuel Change fuel
- KTM 150 sx water temperature sensor trouble
Issues with the engine area unit generally caused by problems with the engine elements. whether or not it's a fuel issue or AN ignition drawback, the engine elements ought to be inspected to work out the cause. Another issue that may occur is once the bike engine isn't operating could be a failure of the electrical system. this will cause the bike to stall and not work properly. The KTM 150 SX electrical system is often the foremost complicated system on a motorbike.
Possible Failure Types :
- Strange KTM 150 SX engine noise.
- KTM 150 SX fog from engine.
- Strange KTM 150 SX engine noise.
- KTM 150 SX Vibrations and Rattling
- KTM 150 SX Loud Acceleration
- KTM 150 SX rusty exhaust
- KTM 150 SX blockages in exhaust pipe
- KTM 150 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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