P0A63

Drive Motor A Phase W Current

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Reduced motor power
Uneven operation of the hybrid system
Check Engine Light Illuminates
The vehicle goes into emergency mode
Increased noise from the electric motor

Causes

Power inverter malfunction
Problems with motor windings
Wiring harness damage
Faulty current sensors
Problems with control electronics

How to Fix

Check the condition of the wiring harness and connectors
Test the power inverter
Check the resistance of the motor windings
Diagnose current sensors
Update control unit software

Related codes

P0A60 P0A61 P0A62