OBD Guide

P0D31

Drive Motor A Inverter Voltage Sensor A Circuit Intermittent/Erratic

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced motor power
  • Intermittent operation of the hybrid system
  • Check Engine Light Illuminated
  • Possible jerking when moving
  • Reduced performance of the hybrid system

Causes

  • Poor contact in the sensor connector
  • Open or short circuit in the sensor circuit
  • Voltage sensor fault
  • Problems with the inverter wiring harness
  • Malfunction of the inverter itself

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect connectors for corrosion or damage
  3. Check resistance and sensor signal
  4. If necessary, replace the voltage sensor
  5. Check the operation of the inverter after repair

Related codes

Error P0D31 by Vehicle Brand