OBD Guide

P0E90

Drive Motor A Inverter Voltage Sensor B Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced motor power
  • Intermittent operation of the hybrid system
  • Loss of battery charge efficiency
  • Possible jerking when moving

Causes

  • Damage to the sensor wiring harness
  • Oxidation or poor contact in connectors
  • Voltage sensor B fault
  • Motor Inverter Problems
  • Corrosion in electrical connections

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean and check contacts in connectors
  3. Test voltage sensor B
  4. Check the operation of the motor inverter
  5. Replace faulty components

Related codes

Error P0E90 by Vehicle Brand