OBD-II Code Ford

P1505 — Ford — IAC at Adaptive Limit

The idle air control valve has reached its adaptive adjustment limit.

Brand Ford
System Idle Control System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1505 mean on Ford vehicles?

The idle air control valve has reached its adaptive adjustment limit.

Common symptoms

  • Irregular idle

Possible causes

  • Carbon buildup
  • vacuum leak

Initial recommendation

Clean the IAC valve and inspect the intake for vacuum leaks.

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 Ford code P1505 with your vehicle's actual symptoms for more complete diagnostic guidance.

Go to the app View more brands