KTM RC 390 Fault Codes

KTM RC 390 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 rc 390 faults are the list of some of the parts of a motorcycle engine.

Begin by checking KTM RC 390 level and adding more, and then see what happens. Another possibility is that your master cylinder is affected by leaks or air bubbles. You may need to have this part replaced to fix it. What can I do when the KTM RC 390 brakes lock up while I’m riding? This can be a serious situation, so don’t hesitate to call for a tow truck. The problem could be a problem with your master cylinder.

KTM RC 390 Faults :

The warning light comes on when one of the various sensors has detected an abnormal condition in the KTM RC 390 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 :

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 RC 390 Motorcycle Problems :

  • KTM rc 390 after fire
  • KTM rc 390 air cleaner clogged, poorly sealed, or missing
  • KTM rc 390 air cleaner element clogged
  • KTM rc 390 air duct loose
  • KTM rc 390 air suction valve trouble
  • KTM rc 390 air switching valve trouble
  • KTM rc 390 backfiring when deceleration
  • KTM rc 390 cracked or obstructed intake air pressure sensor
  • KTM rc 390 crankshaft sensor trouble
  • KTM rc 390 eCU ground and power supply trouble
  • KTM rc 390 eCU trouble
  • KTM rc 390 engine overheating - Water temperature sensor or crankshaft sensor trouble
  • KTM rc 390 engine stalls easily
  • KTM rc 390 engine vacuum not synchronizing
  • KTM rc 390 exhaust Smokes Excessively
  • KTM rc 390 firing incorrect
  • KTM rc 390 fuel filter clogged
  • KTM rc 390 fuel injector clogged
  • KTM rc 390 fuel injector O-ring damage
  • KTM rc 390 fuel injector trouble
  • KTM rc 390 fuel line clogged
  • KTM rc 390 fuel poor quality or incorrect
  • KTM rc 390 fuel pressure regulator trouble
  • KTM rc 390 fuel pressure too low or too high
  • KTM rc 390 fuel pump bearings may wear. Replace the fuel pump
  • KTM rc 390 fuel pump not operating
  • KTM rc 390 fuel pump operates intermittently and often DFI fuse blows
  • KTM rc 390 fuel pump relay trouble
  • KTM rc 390 fuel pump trouble
  • KTM rc 390 fuel/air mixture incorrect
  • KTM rc 390 fuel/air mixture incorrect
  • KTM rc 390 gear position sensor, starter lockout or side stand switch trouble
  • KTM rc 390 inspect and repair or replace
  • KTM rc 390 intake air pressure sensor trouble
  • KTM rc 390 intake air temperature sensor trouble
  • KTM rc 390 intake air temperature sensor trouble
  • KTM rc 390 intermittent any DFI fault and its recovery
  • KTM rc 390 little fuel in tank
  • KTM rc 390 main throttle sensor trouble
  • KTM rc 390 no or little fuel in tank
  • KTM rc 390 poor acceleration
  • KTM rc 390 spark plug burned or gap maladjusted
  • KTM rc 390 spark plug dirty, broken or gap maladjusted
  • KTM rc 390 spark plug incorrect
  • KTM rc 390 spark weak
  • KTM rc 390 stick coil shorted or not in good contact
  • KTM rc 390 stick coil trouble
  • KTM rc 390 subthrottle sensor trouble
  • KTM rc 390 subthrottle valve actuator trouble
  • KTM rc 390 throttle body assy dust seal damage
  • KTM rc 390 throttle body assy holder loose
  • KTM rc 390 throttle valves will not fully open
  • KTM rc 390 unstable (rough) idling
  • KTM rc 390 unstable fuel pressure
  • KTM rc 390 vacuum hose
  • KTM rc 390 vehicle-down sensor trouble
  • KTM rc 390 water or foreign matter in fuel Change fuel
  • KTM rc 390 water temperature sensor trouble

Fault problems that can occur with yourKTM RC 390motorcycle engine is a blown head gasket. This can cause your engine to overheat and possibly crack the cylinder heads. In this case, it is best to take your KTM RC 390 motorcycle to a professional mechanic to have it checked out. Another common problem is with the carburetor. The carburetor is the part of your motorcycle that mixes air and fuel to create the combustion needed to power the engine.

Possible Failure Types :

  • Strange KTM RC 390 engine noise.
  • KTM RC 390 fog from engine.
  • Strange KTM RC 390 engine noise.
  • KTM RC 390 Vibrations and Rattling
  • KTM RC 390 Loud Acceleration
  • KTM RC 390 rusty exhaust
  • KTM RC 390 blockages in exhaust pipe
  • KTM RC 390 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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