OBD Guide

P0E4D

Hybrid/EV Battery Pack Voltage Sense F Circuit Intermittent/Erratic

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Intermittent operation of the electric motor
  • Incorrect display of battery charge level
  • Switching to emergency mode

Causes

  • Oxidation or poor contact in connectors
  • Open or short circuit in the sensor circuit
  • Faulty battery voltage sensors
  • Wiring harness damage
  • Problems with the battery management module

How to Fix

  1. Check connectors and contacts in the sensor circuit
  2. Test the integrity of wires and connections
  3. Check voltage sensor readings on battery modules
  4. Scan the battery management module for additional errors
  5. Replace faulty sensors or repair wiring

Related codes

Error P0E4D by Vehicle Brand