Kia DTC P1507 – Idle Air Control Valve Closing Coil Voltage Low
DTC P1507 meaning on Kia
DTC P1507 indicates that the Idle Air Control (IAC) Valve Closing Coil Voltage is low in a Kia vehicle. The Engine Control Module (ECM) monitors the voltage signal from the IAC valve and sets this diagnostic trouble code when the voltage falls below the specified range.
Kia DTC P1507 symptoms
Symptoms of DTC P1507 in a Kia may include:
- Irregular or unstable idle speed
- Engine stalling at idle
- Potential rough idling
Kia DTC P1507 causes
Common causes of DTC P1507 in a Kia include:
- Malfunctioning Idle Air Control (IAC) valve
- Wiring or connector issues in the IAC circuit
- ECM software concerns
Kia DTC P1507 seriousness
While DTC P1507 may not always result in immediate drivability issues, it can lead to poor engine performance and potential stalling. It is advisable to address this code promptly to prevent further complications.
How to diagnose DTC P1507 on Kia
To diagnose DTC P1507 on a Kia, a mechanic may perform the following steps:
- Use a scan tool to retrieve the DTC and freeze frame data
- Inspect the IAC valve and its wiring for any visible damage
- Test the IAC valve’s resistance and voltage signal
- Check for any loose connections or corrosion in the IAC circuit
How to fix DTC P1507 on Kia
To fix DTC P1507 on a Kia, the following steps may be taken:
- Replace the faulty Idle Air Control (IAC) valve if necessary
- Repair any damaged wiring or connectors in the IAC circuit
- Update the ECM software if recommended by the manufacturer
How to erase DTC P1507 on Kia
To erase DTC P1507 on a Kia, a scan tool can be used to clear the code after the underlying issue has been addressed. Once the repair or replacement has been completed, the code can be cleared to reset the ECM and turn off the Check Engine Light.
Recommended tools for Kia diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.