Code result

P2E6C

Hybrid/EV Battery Pack A Cell Thickness

High severity

What it means

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

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Cells aged - swelling

    high

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

  • Thermal stress damaged cells

    medium

    A plausible cause — test and verify before replacing parts.

  • Pack cell imbalance approaching service threshold

    low

    Less common, but worth ruling out after the more likely causes.

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