P0A3C

Drive Motor A Inverter Over Temperature

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Hybrid system power reduction
The vehicle goes into emergency mode
Dashboard warning
Motor shutdown
Increased temperature in the engine compartment

Causes

Inverter cooling system malfunction
Clogged radiator or cooling fans
Inverter temperature sensor malfunction
Electrical wiring problems
Worn or damaged inverter

How to Fix

Check the level and condition of the coolant
Inspect the radiator and inverter cooling fans
Check the temperature sensor and its circuit
Diagnose the inverter using specialized equipment
Replace the inverter if necessary

Related codes

P0A3D P0A3E P0A3F