What does code P1440 mean on Hyundai vehicles?
The ECU detects a malfunction in the evaporative emission system vent valve electrical circuit.
OBD-II Code Hyundai
P1440 — Hyundai — EVAP Vent Valve Circuit Malfunction
The ECU detects a malfunction in the evaporative emission system vent valve electrical circuit.
Common symptoms
- Check engine light on
Possible causes
- Faulty EVAP vent valve
- damaged wiring
- poor electrical connection
Initial recommendation
Perform EVAP system diagnostics, inspect vent valve operation and wiring integrity.
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
Use the app to combine Hyundai code P1440 with your vehicle's actual symptoms for more complete diagnostic guidance.
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