OBD Guide

P0E90

Drive Motor A Inverter Voltage Sensor B Circuit Intermittent/Erratic

P0E90 is an OBD-II diagnostic trouble code meaning: Drive Motor A Inverter Voltage Sensor B Circuit Intermittent/Erratic. Common causes: damage to the sensor wiring harness, oxidation or poor contact in connectors. Estimated repair cost: $56–167.

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

FAQ

What does the P0E90 code mean?

P0E90 is an OBD-II diagnostic trouble code that indicates: Drive Motor A Inverter Voltage Sensor B Circuit Intermittent/Erratic

What causes a P0E90 error code?

The most common causes of P0E90 include: Damage to the sensor wiring harness; Oxidation or poor contact in connectors; Voltage sensor B fault; Motor Inverter Problems.

How do I fix a P0E90 diagnostic trouble code?

To fix P0E90: Check the integrity of the sensor wiring harness. Clean and check contacts in connectors. Test voltage sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E90?

Limited driving only, diagnose soon

How much does it cost to fix P0E90?

The estimated repair cost for P0E90 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat