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All codes/P0D1D

P0D1D

Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit Low

High severity

The HV battery pack coolant control valve B reports a control circuit low condition. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

The HV battery pack coolant control valve B reports a control circuit low condition. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

Common causes

  • Wire shorted to ground

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

    high

    Typical part cost: $220-1320

  • Coil internal short

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $220-1320

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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 P0D1D mean?

P0D1D means "Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit Low". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0D1D?

wire shorted to ground; coil internal short; connector pins corroded - high contact resistance — 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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