Code result

P2199

Intake Air Temperature Sensor 1/2 Correlation

Moderate severity

What it means

The two intake air temperature sensors disagree by more than the calibrated correlation threshold during stable conditions. The ECU cannot determine which value is correct.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • One IAT sensor drifting

    high

    One of the most commonly reported causes for this code — check this first.

  • Wiring issue on one sensor

    medium

    A plausible cause — test and verify before replacing parts.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P2199 free

No credit card required