OBD-II Code Hyundai

P1401 — Hyundai — Fuel Tank Leakage Diagnostic Module System Malfunction

The ECU detects a general malfunction in the fuel tank leakage diagnostic module used for EVAP testing.

Brand Hyundai
System EVAP System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1401 mean on Hyundai vehicles?

The ECU detects a general malfunction in the fuel tank leakage diagnostic module used for EVAP testing.

Common symptoms

  • Check engine light on

Possible causes

  • Faulty EVAP diagnostic module
  • internal electronics failure

Initial recommendation

Perform EVAP system diagnostics and test the leakage detection module.

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 P1401 with your vehicle's actual symptoms for more complete diagnostic guidance.

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