All codes/P0EDF

P0EDF

Hybrid/EV Battery Pack B Deterioration

High severity

The BMS detects deterioration in HV battery pack section B. Capacity or internal resistance outside service limits.

The BMS detects deterioration in HV battery pack section B. Capacity or internal resistance outside service limits.

Common causes

  • Cells aged - capacity reduced

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

    high

    Typical part cost: $1650-13200

  • Internal resistance increased

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $1650-13200

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for P0EDF.

    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 P0EDF.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P0EDF.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P0EDF mean?

P0EDF means "Hybrid/EV Battery Pack B Deterioration". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0EDF?

cells aged - capacity reduced; internal resistance increased; pack cell imbalance approaching service threshold — 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?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

Get the full P0EDF diagnosis for your vehicle

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

Diagnose P0EDF