P0C09Drive motor generator assembly failure, Drive motor generator power inverter control module failure
The drive motor B phase U-V-W output reports a circuit low condition. The drive motor's position, current and temperature are watched continuously; a fault here downgrades the inverter to a safe operating point or triggers torque reduction.
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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
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Possible Causes
The components or conditions that trigger this code
- 1Phase wire shorted to ground
- 2Low-side switch open in inverter
- 3Connector pins corroded - high contact resistance
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
Quick Info
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