P0509 - Idle Air Control System Circuit High
P0509 is a generic powertrain diagnostic trouble code indicating Idle Air Control System Circuit High. It relates to the Vehicle Speed / Idle Control / Aux Inputs system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Vehicle Speed / Idle Control / Aux Inputs |
| Fault Index | 09 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P0509 mean?
The dtc/">diagnostic trouble code P0509 represents Idle Air Control System Circuit High. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
Detailed diagnostic guides and specific fix procedures for code P0509 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P0509
What does P0509 mean?
The diagnostic trouble code P0509 represents Idle Air Control System Circuit High. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P0509?
The P0509 code is located in the vehicle's Powertrain network.