What does code P1516 mean on Hyundai vehicles?
The ECU detects an incorrect or unstable signal from coil 2 of the idle air control valve.
OBD-II Code Hyundai
P1516 — Hyundai — IAC Valve Coil 2 Signal Malfunction
The ECU detects an incorrect or unstable signal from coil 2 of the idle air control valve.
Common symptoms
- Unstable idle speed
Possible causes
- Faulty IAC valve
- internal coil failure
Initial recommendation
Inspect IAC valve operation and verify coil 2 signal output.
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.
Analyze this code with MecaOBD
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