What does code P1508 mean on Hyundai vehicles?
The closing coil circuit of the idle air control valve is shorted, preventing proper idle control.
OBD-II Code Hyundai
P1508 — Hyundai — IAC Valve Closing Coil Circuit Short
The closing coil circuit of the idle air control valve is shorted, preventing proper idle control.
Common symptoms
- Irregular idle speed
Possible causes
- Shorted wiring
- defective IAC valve
Initial recommendation
Inspect IAC circuit for shorts and replace valve if necessary.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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