P1509Medium Priority
Idle Control System Circuit Shorted
Category: Powertrain• Vehicle Speed, Idle (Manufacturer Specific)
7 articles · 1 makes affected
Owner Data Insights
Most Effective Fixes for P1509
Based on 4 owner reports. Success rates show how often each fix resolved the issue.
50% success
4 reports
Start with the highest success rate fix when diagnosing P1509. If that doesn't resolve the issue, work down the list.
P1509 Issues by Vehicle
HONDA
2025 Civic
2025 Honda Civic Intake Leak? Here's How to Fix It
253 sources
2010 Civic
2010 Honda Civic Stalling: How to Diagnose & Fix the Fin Line
100 sources
2010 Civic
2010 Honda Civic Overheating? Here's How to Fix It
100 sources
2010 Civic
How to Fix Clicking Noise in Your 2010 Honda Civic
100 sources
2010 Civic
2010 Honda Civic Oil Leak? How to Fix Thermostat Housing Leaks
100 sources
2010 Civic
How to Diagnose and Fix a Coolant Leak in Your 2010 Honda Civic
100 sources
2010 Civic
Why Your 2010 Honda Civic Won't Start Easily (And How to Fix It)
100 sources