Aprilia Sonic Fault Codes
Aprilia Sonic 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 aprilia sonic faults are the list of some of the parts of a motorcycle engine.
Begin by checking Aprilia Sonic 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 Aprilia Sonic 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.
Aprilia Sonic Faults :
The warning light comes on when one of the various sensors has detected an abnormal condition in the Aprilia Sonic 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.
Aprilia engine management system is able to self-diagnose faults and tell you what's wrong with it.
To display the Aprilia Fault Codes diagnostics codes, enable diagnostics mode by pressing the LAP button at key-ON for at least 15 seconds. To exit the diagnostics code display and return to the normal display mode, run a key-OFF/ON cycle. When the faults are eliminated and hence the Fault Code is no longer being sent to the dashboard by the ECU, the dashboard will continue to display them until a key-OFF/ON cycle is run. lithe dashboard is sent a code other than those given in the following diagnostics code table, it will display PXX where the XX ls the last iwo digits of the code in question. lf the CAN line does not respond or is disconnected in diagnostics mode, ERR will flash in place of the code digits
Aprilia Error Code List :
Component | Fault Code DTC | Possible Cause |
---|---|---|
Camshaft position sensor | 11 |
Sensor not connected.
Sensor broken. Wiring faulty. |
Crankshaft position sensor | 12 | |
Intake pressure sensor | 13 | |
Intake pressure sensor | 14 | Excessive pressure difference between two pressure sensors |
Throttle position sensor | 15 |
Sensor not connected.
Sensor broken. Wiring faulty. |
Coolant temperature sensor | 21 | |
Air temperature sensor | 22 | |
Atmospheric pressure sensor (inside ECU) | 23 | Sensor faulty |
Ignition coil 1, Front cylinder | 33 | Ignition coil faulty or wiring not connected |
Ignition coil 2, Front cylinder | 34 | |
Ignition coils 1 and 2, Front cylinder | 33,34 | |
Ignition coil 1, Rear cylinder | 35 | |
Ignition coil 2, Rear cylinder | 36 | |
Ignition coils 1 and 2, Rear cylinder | 35,36 | |
Fall Sensor (tip-over sensor) | 41 |
Sensor not connected.
Sensor broken. Wiring faulty. |
Aprilia ECU Error Codes
This menu allows you to view any current errors (active) or stored (memo) as detected by the ECU. The presence of an error is indicated by x. To identify the error, please refer to the ECU error codes table.
ERROR DESCRIPTION | ECU ERROR CODE |
---|---|
Engine overheat | ECU 01 |
Pick-up sensor failure | ECU 02 |
Wrong signal from throttle position sensors | ECU 03 |
Wrong signal from throttle position sensor 1 | ECU 04 |
Wrong signal from throttle position sensor 2 | ECU 05 |
Throttle position sensor 1 malfunction | ECU 06 |
Throttle position sensor 2 malfunction | ECU 07 |
Throttle position sensors malfunction | ECU 08 |
Incorrect charging voltage | ECU 09 |
Oil pump malfunction | ECU 10 |
Air injector malfunction | ECU 11 |
Fuel injector malfunction | ECU 12 |
Ignition circuit malfunction | ECU 13 |
Fuel pump malfunction | ECU 14 |
Engine rpm limiter tripped | ECU 15 |
Error in ECU power supply | ECU 16 |
Rpm limiter tripped while starting | ECU 17 |
Engine temperature sensor malfunction | ECU 18 |
Error on ECU throttle sensor connection | ECU 22 |
Atmospheric pressure sensor malfunction | ECU 23 |
Aprilia Instrument Panel Error Codes :
ERROR DESCRIPTION | INSTRUMENT PANEL ERROR CODE |
---|---|
Immobilizer failure: Key code read but not acknowledged | DSB 01 |
Immobilizer failure: Key code not read (key not available or transponder broken) | DSB 02 |
Immobilizer failure: Broken antenna (open or short-circuited) | DSB 03 |
Immobilizer failure: Inner controller failure | DSB 04 |
Fuel sensor failure | DSB 05 |
Aprilia Sonic Motorcycle Problems :
- Aprilia sonic after fire
- Aprilia sonic air cleaner clogged, poorly sealed, or missing
- Aprilia sonic air cleaner element clogged
- Aprilia sonic air duct loose
- Aprilia sonic air suction valve trouble
- Aprilia sonic air switching valve trouble
- Aprilia sonic backfiring when deceleration
- Aprilia sonic cracked or obstructed intake air pressure sensor
- Aprilia sonic crankshaft sensor trouble
- Aprilia sonic eCU ground and power supply trouble
- Aprilia sonic eCU trouble
- Aprilia sonic engine overheating - Water temperature sensor or crankshaft sensor trouble
- Aprilia sonic engine stalls easily
- Aprilia sonic engine vacuum not synchronizing
- Aprilia sonic exhaust Smokes Excessively
- Aprilia sonic firing incorrect
- Aprilia sonic fuel filter clogged
- Aprilia sonic fuel injector clogged
- Aprilia sonic fuel injector O-ring damage
- Aprilia sonic fuel injector trouble
- Aprilia sonic fuel line clogged
- Aprilia sonic fuel poor quality or incorrect
- Aprilia sonic fuel pressure regulator trouble
- Aprilia sonic fuel pressure too low or too high
- Aprilia sonic fuel pump bearings may wear. Replace the fuel pump
- Aprilia sonic fuel pump not operating
- Aprilia sonic fuel pump operates intermittently and often DFI fuse blows
- Aprilia sonic fuel pump relay trouble
- Aprilia sonic fuel pump trouble
- Aprilia sonic fuel/air mixture incorrect
- Aprilia sonic fuel/air mixture incorrect
- Aprilia sonic gear position sensor, starter lockout or side stand switch trouble
- Aprilia sonic inspect and repair or replace
- Aprilia sonic intake air pressure sensor trouble
- Aprilia sonic intake air temperature sensor trouble
- Aprilia sonic intake air temperature sensor trouble
- Aprilia sonic intermittent any DFI fault and its recovery
- Aprilia sonic little fuel in tank
- Aprilia sonic main throttle sensor trouble
- Aprilia sonic no or little fuel in tank
- Aprilia sonic poor acceleration
- Aprilia sonic spark plug burned or gap maladjusted
- Aprilia sonic spark plug dirty, broken or gap maladjusted
- Aprilia sonic spark plug incorrect
- Aprilia sonic spark weak
- Aprilia sonic stick coil shorted or not in good contact
- Aprilia sonic stick coil trouble
- Aprilia sonic subthrottle sensor trouble
- Aprilia sonic subthrottle valve actuator trouble
- Aprilia sonic throttle body assy dust seal damage
- Aprilia sonic throttle body assy holder loose
- Aprilia sonic throttle valves will not fully open
- Aprilia sonic unstable (rough) idling
- Aprilia sonic unstable fuel pressure
- Aprilia sonic vacuum hose
- Aprilia sonic vehicle-down sensor trouble
- Aprilia sonic water or foreign matter in fuel Change fuel
- Aprilia sonic water temperature sensor trouble
Fault problems that can occur with yourAprilia Sonicmotorcycle 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 Aprilia Sonic 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 Aprilia Sonic engine noise.
- Aprilia Sonic fog from engine.
- Strange Aprilia Sonic engine noise.
- Aprilia Sonic Vibrations and Rattling
- Aprilia Sonic Loud Acceleration
- Aprilia Sonic rusty exhaust
- Aprilia Sonic blockages in exhaust pipe
- Aprilia Sonic wear and tear exhaust

Aprilia was founded directly after WW2 as a manufacturer of bicycles, moving to scooters and motorcycles in 1968. Today, Aprilia enjoys success in the competitive sports and adventure bike segments, as well as competing in a variety of motorcycle racing championships.
Check other Aprilia 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 Aprilia 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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