All codes/P2379

P2379

O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2

Moderate severity

This code indicates o2 sensor out of range during deceleration bank 2 sensor 2. It relates to the turbocharger / supercharger / boost control and may affect performance, emissions, or drivability depending on the exact failure.

O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2

Common causes

  • Faulty sensor or actuator

    The component monitored by this code may be worn, failed, or reading out of range.

    medium

    Typical part cost: $100-400

  • Wiring or connector issue

    Corroded, damaged, or loose connections can cause circuit or signal faults.

    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 P2379 mean?

P2379 means "O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2". It is a generic OBD-II code that points to a fault in the turbocharger / supercharger / boost control.

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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