P0519: Idle Air Control Circuit System Performance
MediumPowertrainIdle Control
What does P0519 mean?
P0519 is a diagnostic trouble code indicating "Idle Air Control Circuit System Performance". This code relates to your vehicle's idle control and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.
Common causes
- Faulty idle control component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.
Get a diagnosis for YOUR car
Code P0519 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.