OBD Guide

P0A64

Drive Motor A Phase W Current Low

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced motor power
  • Unstable operation of the hybrid system
  • Check Engine Light Illuminates
  • Deterioration in acceleration dynamics

Causes

  • Motor A fault
  • Problems in the electrical circuit of phase W
  • Inverter or controller malfunction
  • Wiring harness damage
  • Problems with current sensors

How to Fix

  1. Check the continuity of the electrical circuit of phase W
  2. Diagnose the condition of electric motor A
  3. Check the operation of the inverter and controller
  4. Test current sensors
  5. Replace damaged components

Related codes

Error P0A64 by Vehicle Brand