P0A3ECombustion Engine Start by Electric Motor Fault
The electric motor cannot start the combustion engine in the hybrid system.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
Sistema Afectado
Sistema Híbrido / EV · Batería HV y motor eléctrico

Pertenece al sistema de alto voltaje: batería de tracción, inversor o motor eléctrico.
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Symptoms You Will Notice
What you may observe when this code appears
- Combustion engine does not start in hybrid mode
- Only electric mode available with battery
Possible Causes
The components or conditions that trigger this code
- 1Faulty starter motor-generator
- 2Very low hybrid battery
- 3Electrical connection failure
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Check the HV battery level
- 2Check the electrical connections
- 3Diagnose the motor-generator
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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