Code result

P0A7F

Hybrid Battery Pack Deterioration

High severity

What it means

The hybrid battery pack capacity or internal resistance has degraded beyond the diagnostic threshold. Performance and fuel economy fall as the pack ages.

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

  • Battery pack aged

    high

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

  • Cell imbalance in pack

    medium

    A plausible cause — test and verify before replacing parts.

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