All codes/P0C76

P0C76

Hybrid/EV Battery System Discharge Time Too Long

High severity

The HV battery system discharge time is longer than the calibrated window. Indicates high resistance, weak contactor, or aged components.

The HV battery system discharge time is longer than the calibrated window. Indicates high resistance, weak contactor, or aged components.

Common causes

  • Increased resistance in path

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

    high

    Typical part cost: $440-3300

  • Contactor coil weakening

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $440-3300

  • See all causes + fix costs

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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 P0C76 mean?

P0C76 means "Hybrid/EV Battery System Discharge Time Too Long". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0C76?

increased resistance in path; contactor coil weakening; 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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