OBD-II Code Infiniti

P1401 — Infiniti — EGR Temperature Sensor Malfunction

The ECU detects a malfunction in the EGR temperature sensor signal.

Brand Infiniti
System Emissions System
Severity Low
Safe to drive? Yes, with caution
Advanced scanner Yes

What does code P1401 mean on Infiniti vehicles?

The ECU detects a malfunction in the EGR temperature sensor signal.

Common symptoms

  • Check engine light on

Possible causes

  • Faulty EGR temperature sensor
  • wiring issues

Initial recommendation

Inspect EGR temperature sensor 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 Infiniti code P1401 with your vehicle's actual symptoms for more complete diagnostic guidance.

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