P0A0DHigh Voltage System Interlock Circuit High
The HV interlock signal voltage is above threshold, indicating short to battery or unexpected continuity loss.
This code also has a manufacturer-specific definition:
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
Aún no hay un anunciante en este espacio.
Possible Causes
The components or conditions that trigger this code
- 1Short to battery on interlock Connector pins corroded - high contact resistance Supply wire pinched against B+ source
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: shop_only. Estimated time: 1-5 hours. Estimated cost: €200-€
- 2Professional repair recommended
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
Quick Info
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