All codes/P24A3

P24A3

Particulate Filter Restriction Soot Accumulation Bank 2

Moderate severity

This code indicates particulate filter restriction soot accumulation bank 2. It relates to the evaporative / emission control system and may affect performance, emissions, or drivability depending on the exact failure.

Particulate Filter Restriction Soot Accumulation Bank 2

Common causes

  • Sensor failure

    O2, NOx, pressure, or temperature sensors can drift or fail.

    medium

    Typical part cost: $100-400

  • Exhaust leak or restriction

    Leaks before sensors or a restricted exhaust can set emissions codes.

    medium

    Typical part cost: $100-400

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for P24A3.

    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 P24A3.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P24A3.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P24A3 mean?

P24A3 means "Particulate Filter Restriction Soot Accumulation Bank 2". It is a generic OBD-II code that points to a fault in the evaporative / emission control system.

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 P24A3 diagnosis for your vehicle

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

Diagnose P24A3