What does fault code P0111 mean?

Intake Air Temperature Circuit Range/Performance. IAT sensor reading doesn't match expected values for conditions.

P0111

Intake Air Temperature Circuit Range/Performance

Q: What are the possible causes of P0111?

Faulty IAT sensor; Wiring issue; Sensor placement near heat source

Q: How to fix P0111?

Inspect wiring and connector; Test sensor resistance vs. temperature chart; Replace if out of spec

Severity: Low Fuel & Air Metering Generic OBD-II Code Est. Repair: $60 - $150

Usually safe to drive short-term, but diagnose soon.

Quick Answer

P0111 means “Intake Air Temperature Circuit Range/Performance.” Severity: Low. Estimated repair cost: $60 - $150. Most common sign: CEL.

What Does P0111 Mean?

IAT sensor reading doesn't match expected values for conditions.

Common Symptoms

CEL

Minor drivability issues

Possible Causes

Faulty IAT sensor

Wiring issue

Sensor placement near heat source

How to Fix P0111 – Repair Guide

Inspect wiring and connector

Test sensor resistance vs. temperature chart

Replace if out of spec

Upgrading Your Vehicle or Need Replacement Clearance?

Explore high-quality aftermarket auto parts, forged wheel spacers, and leveling kits.

Budgeting for This Repair?

A typical P0111 repair runs about $60 - $150. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

Recommended OBD2 Scanners & Tools

To read and clear this code yourself, you need a reliable OBD2 scanner. Here are top-rated options:

BlueDriver Bluetooth Pro OBDII Scan Tool

Professional Bluetooth scanner with live data, enhanced diagnostics (ABS/SRS) and repair reports. Works with iPhone & Android. No subscription fee.

$70 - $120

Check Price on Amazon →

ANCEL AD310 Classic Enhanced OBD2 Scanner

Best-selling handheld code reader. Read & clear engine codes, live data, freeze frame. No phone required. Highly rated for beginners.

$25 - $40

Check Price on Amazon →

FIXD Bluetooth OBD2 Scanner

Simple plug-and-play sensor that explains codes in plain English via free app. Ideal for first-time users.

$35 - $60

Check Price on Amazon →

As an Amazon Associate we earn from qualifying purchases. This does not affect the price you pay.

Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.