What does code P1506 mean on Hyundai vehicles?
The opening coil circuit of the idle air control valve is shorted, causing excessive or incorrect idle air flow.
OBD-II Code Hyundai
P1506 — Hyundai — IAC Valve Opening Coil Circuit Short
The opening coil circuit of the idle air control valve is shorted, causing excessive or incorrect idle air flow.
Common symptoms
- High idle speed
Possible causes
- Damaged wiring
- shorted IAC coil
Initial recommendation
Inspect wiring harness for shorts and test IAC valve coils.
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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