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P0110

Overview

Code

P0110

Code Type

P

Code Class

P0

System

Engine

Severity Level

Low

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0110 indicates a malfunction in the intake air temperature (IAT) sensor circuit detected by the ECM

Symptoms

Check Engine Light illuminated; Poor cold start performance; Reduced fuel efficiency

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

The IAT sensor helps the ECM adjust fuel delivery based on incoming air temperature

Possible Causes

Faulty IAT sensor; Wiring or connector issues; Intake air leaks

Diagnostic Steps

1 Confirm the fault code; 2 Inspect IAT sensor wiring and connectors; 3 Monitor live intake air temperature readings; 4 Compare readings to ambient temperature; 5 Replace the IAT sensor if readings are incorrect

Drive Safety Notes

Driving is usually possible, but fuel efficiency and performance may be affected

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