All codes/P0D03

P0D03

Control Pilot Charging Ventilation Switch Circuit High

Moderate severity

The control pilot charging ventilation switch reports a circuit high condition. Charging ventilation requirement signal compromised (used for indoor charging).

The control pilot charging ventilation switch reports a circuit high condition. Charging ventilation requirement signal compromised (used for indoor charging).

Common causes

  • Wire shorted to B+

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

    high

    Typical part cost: $90-440

  • Switch open

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $90-440

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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 P0D03 mean?

P0D03 means "Control Pilot Charging Ventilation Switch Circuit High". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.

What are the most common causes of P0D03?

wire shorted to b+; switch open; 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?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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