All codes/P01FA

P01FA

Turbocharger Outlet Pressure Sensor B Circuit

Moderate severity

Generic electrical fault on turbocharger outlet pressure sensor B (second turbo or second measurement location).

Generic electrical fault on turbocharger outlet pressure sensor B (second turbo or second measurement location).

Common causes

  • Sensor failed

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

    high

    Typical part cost: $90-550

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for P01FA.

    Unlock causes

    Free forever · No credit card

First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

Get the full step-by-step diagnosis

Create a free Wrenchify account to unlock the rest for P01FA.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P01FA.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P01FA mean?

P01FA means "Turbocharger Outlet Pressure Sensor B Circuit". It is a generic OBD-II code that points to a fault in the fuel & air metering.

What are the most common causes of P01FA?

sensor failed — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Get the full P01FA diagnosis for your vehicle

Year, make, model + step-by-step repair help — free plan included.

Diagnose P01FA