OBD Guide

P0E48

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

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Incorrect battery level display
  • Intermittent malfunctions of the hybrid system
  • Increased fuel consumption (in hybrid models)

Causes

  • Damage to the sensor circuit wiring harness
  • Oxidation or poor contact in connectors
  • Faulty battery voltage sensors
  • Problems with the Battery Management Module (BMS)
  • Corroded or damaged battery terminals

How to Fix

  1. Check the integrity of the sensor circuit wiring harness
  2. Clean and check all contacts and connectors
  3. Test battery voltage sensors
  4. Check Battery Management Module (BMS) operation
  5. Replace damaged components if necessary

Related codes

Error P0E48 by Vehicle Brand