P0D04
Control Pilot Charging Ventilation Switch Intermittent/Erratic
The control pilot charging ventilation switch reports a intermittent/erratic condition. The on-board charger negotiates voltage, current and safety with the EVSE; a fault interrupts charging or limits it to AC slow-charge despite a DC fast charger being attached.
The control pilot charging ventilation switch reports a intermittent/erratic condition. The on-board charger negotiates voltage, current and safety with the EVSE; a fault interrupts charging or limits it to AC slow-charge despite a DC fast charger being attached.
Common causes
- high
Connector not seated
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-440
- medium
Noisy ground reference
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-440
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0D04 mean?
P0D04 means "Control Pilot Charging Ventilation Switch Intermittent/Erratic". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.
What are the most common causes of P0D04?
connector not seated; noisy ground reference; connector with intermittent contact under vibration — 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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