Code result

P0073

Ambient Air Temperature Sensor Circuit High Input

Moderate severity

What it means

Ambient air temperature sensor A signal voltage above the expected range — typically open circuit (broken wire or sensor) or short to power.

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

  • Signal wire open

    high

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

Get the full diagnosis

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

Diagnose P0073 free

No credit card required