P0A3FHigh Voltage Battery Heater Fault
The system that preheats the battery in cold climates does not work correctly.
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.
Symptoms You Will Notice
What you may observe when this code appears
- Reduced range in cold climates
- Slow charging at low temperatures
Possible Causes
The components or conditions that trigger this code
- 1Faulty heating element
- 2Open circuit
- 3Heating pump failure
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Check the heater circuit
- 2Replace the battery heating element
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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