What does code P1111 mean on Hyundai vehicles?
The ECU detects a low or intermittent signal from the intake air temperature sensor.
OBD-II Code Hyundai
P1111 — Hyundai — Intake Air Temperature (IAT) Sensor Circuit Low/Intermittent
The ECU detects a low or intermittent signal from the intake air temperature sensor.
Common symptoms
- Incorrect air-fuel mixture
- minor drivability issues
Possible causes
- Faulty IAT sensor
- damaged wiring
- poor connector contact
Initial recommendation
Inspect IAT sensor and wiring, repair or replace sensor if signal remains unstable.
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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