All codes/P2E6C

P2E6C

Hybrid/EV Battery Pack A Cell Thickness

High severity

The BMS detects abnormal cell thickness in HV battery pack A. Cell swelling indicates aging, thermal stress, or imminent failure.

The BMS detects abnormal cell thickness in HV battery pack A. Cell swelling indicates aging, thermal stress, or imminent failure.

Common causes

  • Cells aged - swelling

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

    high

    Typical part cost: $880-8800

  • Thermal stress damaged cells

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $880-8800

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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 P2E6C mean?

P2E6C means "Hybrid/EV Battery Pack A Cell Thickness". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.

What are the most common causes of P2E6C?

cells aged - swelling; thermal stress damaged cells; 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.

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