All codes/P2401

P2401

EVAP Leak Detection Pump Control Circuit Low

Moderate severity

This code indicates evap leak detection pump control circuit low. It relates to the evaporative / emission control system and may affect performance, emissions, or drivability depending on the exact failure.

EVAP Leak Detection Pump Control Circuit Low

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

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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.

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Related codes

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Frequently asked questions

What does P2401 mean?

P2401 means "EVAP Leak Detection Pump Control Circuit Low". 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.

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