You are offline — AutoTools still works from your device.

Code

P0112

Air intake

Intake air temperature sensor circuit low input

The IAT sensor signal is too low, reporting unrealistically cold air.

Search another code

Most likely causes

Shorted IAT sensor
Wiring short to ground
Faulty sensor

Symptoms you may notice

Check engine light
Poor economy

Checks to run

Test sensor resistance at temp
Check wiring for shorts

Tools you may need

Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Air intake

Intake air temperature sensor circuit high input

Mass airflow sensor circuit malfunction

Mass airflow sensor range / performance problem

Mass airflow sensor circuit low input

MAP sensor range / performance problem

Ask the AI mechanic

Hi! Ask me anything about your car — codes, noises, parts, maintenance.