KTM 450 SMS Fault Codes

KTM 450 SMS 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 sms faults are the list of some of the parts of a motorcycle engine.

KTM 450 SMS motorcycles are particularly vulnerable to exhaust fumes, so you’re right to be concerned about the fumes you breathed in. The good news is that you should be able to find a motorcycle maintenance checklist online or at your local dealership that will provide you with a list of potential issues that might be causing your bike to release harmful emissions.

KTM 450 SMS Faults :

Engine management systems of KTM 450 SMS are responsible for monitoring a range of features and its warning light should go out a few seconds after ignition. The system's main job is to keep the engine running at peak performance by monitoring many parameters like coolant temperature, oil pressure, fuel level and air/fuel ratio. The system monitors these parameters continuously and alerts the driver if any of these parameters fall outside the predetermined limits.

KTM Motorcycle Engine Fault Codes :

CodeDescription
ConstantTilt Sensor - input signal too high
ConstantTilt Sensor - input signal too low
2Crankshaft speed sensor - synchronization faulty
2Crankshaft speed sensor - signal implausible
2Crankshaft speed sensor - signal irregular
2Crankshaft speed sensor - no signal
6Throttle valve position sensor circuit A - adaption failed
6Throttle valve position sensor circuit A - input signal too low
6Throttle valve position sensor circuit A - input signal too high
9Crankcase pressure sensor - short circuit to ground
9Crankcase pressure sensor - open / short to plus
9Ambient air pressure sensor - short circuit to ground
9Ambient air pressure sensor - open / short circuit to plus
12Coolant temperature sensor - input signal too low
12Coolant temperature sensor - input signal too high
13Intake air temperature sensor - input signal too low
13Intake air temperature sensor - input signal too high
14Crankcae pressure sensor - difference too high between sensor and engine ECU
21Battery voltage - input voltage too low
21Battery voltage - input voltage too high
33Injection valve 0, cylinder 1- input signal too low
33Injection valve 0, cylinder 1- input signal too high
34Injection valve 1, cylinder 1- input signal too low
34Injection valve 1, cylinder 1- input signal too high
37Ignition coil - circuit fault
41Fuel pump - short circuit to ground / open circuit
41Fuel pump - open circuit / short circuit to plus
42Oil pump - input signal too low
42Oil 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 SMS Motorcycle Problems :

  • KTM 450 sms after fire
  • KTM 450 sms air cleaner clogged, poorly sealed, or missing
  • KTM 450 sms air cleaner element clogged
  • KTM 450 sms air duct loose
  • KTM 450 sms air suction valve trouble
  • KTM 450 sms air switching valve trouble
  • KTM 450 sms backfiring when deceleration
  • KTM 450 sms cracked or obstructed intake air pressure sensor
  • KTM 450 sms crankshaft sensor trouble
  • KTM 450 sms eCU ground and power supply trouble
  • KTM 450 sms eCU trouble
  • KTM 450 sms engine overheating - Water temperature sensor or crankshaft sensor trouble
  • KTM 450 sms engine stalls easily
  • KTM 450 sms engine vacuum not synchronizing
  • KTM 450 sms exhaust Smokes Excessively
  • KTM 450 sms firing incorrect
  • KTM 450 sms fuel filter clogged
  • KTM 450 sms fuel injector clogged
  • KTM 450 sms fuel injector O-ring damage
  • KTM 450 sms fuel injector trouble
  • KTM 450 sms fuel line clogged
  • KTM 450 sms fuel poor quality or incorrect
  • KTM 450 sms fuel pressure regulator trouble
  • KTM 450 sms fuel pressure too low or too high
  • KTM 450 sms fuel pump bearings may wear. Replace the fuel pump
  • KTM 450 sms fuel pump not operating
  • KTM 450 sms fuel pump operates intermittently and often DFI fuse blows
  • KTM 450 sms fuel pump relay trouble
  • KTM 450 sms fuel pump trouble
  • KTM 450 sms fuel/air mixture incorrect
  • KTM 450 sms fuel/air mixture incorrect
  • KTM 450 sms gear position sensor, starter lockout or side stand switch trouble
  • KTM 450 sms inspect and repair or replace
  • KTM 450 sms intake air pressure sensor trouble
  • KTM 450 sms intake air temperature sensor trouble
  • KTM 450 sms intake air temperature sensor trouble
  • KTM 450 sms intermittent any DFI fault and its recovery
  • KTM 450 sms little fuel in tank
  • KTM 450 sms main throttle sensor trouble
  • KTM 450 sms no or little fuel in tank
  • KTM 450 sms poor acceleration
  • KTM 450 sms spark plug burned or gap maladjusted
  • KTM 450 sms spark plug dirty, broken or gap maladjusted
  • KTM 450 sms spark plug incorrect
  • KTM 450 sms spark weak
  • KTM 450 sms stick coil shorted or not in good contact
  • KTM 450 sms stick coil trouble
  • KTM 450 sms subthrottle sensor trouble
  • KTM 450 sms subthrottle valve actuator trouble
  • KTM 450 sms throttle body assy dust seal damage
  • KTM 450 sms throttle body assy holder loose
  • KTM 450 sms throttle valves will not fully open
  • KTM 450 sms unstable (rough) idling
  • KTM 450 sms unstable fuel pressure
  • KTM 450 sms vacuum hose
  • KTM 450 sms vehicle-down sensor trouble
  • KTM 450 sms water or foreign matter in fuel Change fuel
  • KTM 450 sms water temperature sensor trouble

The electrical system includes the battery, the charging system, the starters, and also the charging system. it's conjointly attainable that the electrical system will fail thanks to a tangle with the generator. an honest place to begin troubleshooting the electrical system is to see the engine elements. for instance, it's attainable that the electrical system will fail thanks to a tangle with the generator. an honest place to begin troubleshooting the electrical system is to see the engine elements.

Possible Failure Types :

  • Strange KTM 450 SMS engine noise.
  • KTM 450 SMS fog from engine.
  • Strange KTM 450 SMS engine noise.
  • KTM 450 SMS Vibrations and Rattling
  • KTM 450 SMS Loud Acceleration
  • KTM 450 SMS rusty exhaust
  • KTM 450 SMS blockages in exhaust pipe
  • KTM 450 SMS wear and tear exhaust
KTM Logo

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.

KTM and logo are registered trademarks of KTM. We are fan of MOTORCYCLES ! We love them.

Motorcycle electrical systems are very complex to fix it, check with your motorcycle diagnosis tool for the fault code and start motorcycle troubleshooting process.Some bike problems require professional troubleshooting and repair. However, there are many issues that you can easily fix on your own.

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