What does code P1403 mean on Hyundai vehicles?
The valve within the EVAP leakage diagnostic module is not functioning properly.
OBD-II Code Hyundai
P1403 — Hyundai — Fuel Tank Leakage Diagnostic Module Valve Malfunction
The valve within the EVAP leakage diagnostic module is not functioning properly.
Common symptoms
- Fuel odor
- EVAP system faults
Possible causes
- Faulty internal valve
- contamination
- electrical failure
Initial recommendation
Test EVAP valve operation and replace diagnostic module 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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