P0D04Control 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.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Sistema Híbrido / EV · Batería HV y motor eléctrico
Pertenece al sistema de alto voltaje: batería de tracción, inversor o motor eléctrico.
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- Charge status indicator shows fault Charging may not start or interrupts Slower-than-expected charge rate
Possible Causes
The components or conditions that trigger this code
- 1Connector not seated Noisy ground reference Connector with intermittent contact under vibration
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: easy. Estimated time: 0.3-2 hours. Estimated cost: €80-€
- 2DIY possible
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
HV electric system
* Diagnosis only: $50–$150
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