Troubleshooting steps
Diagnose P0123 using service manual, check related sensors and wiring, repair or replace faulty components
Motorcycle Diagnostic Codes
P0123 – Throttle Position Sensor Circuit High Input
Throttle Position Sensor Circuit High Input
Details
Throttle Position Sensor Circuit High Input detected on Harley-Davidson motorcycle. This diagnostic trouble code indicates a problem that requires attention.
Error typeerror
MeaningThrottle Position Sensor Circuit High Input
Typical causesSensor failure, wiring issue, component malfunction, system fault
SolutionsDiagnose P0123 using service manual, check related sensors and wiring, repair or replace faulty components
Severitymedium
Catalog references
Where this appears
Harley-DavidsonP0123
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What does P0123 mean on Harley-Davidson?
P0123 on Harley-Davidson indicates throttle position sensor circuit high input. Consult service manual for specific diagnosis procedures.
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