OBD Guide

P0E65

Battery Charger Control Circuit/Open

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Inability to charge high voltage battery
  • Error message on the dashboard
  • Reduced motor performance
  • Switching to backup mode
  • Increased fuel consumption (for hybrids)

Causes

  • Broken wires in the charging control circuit
  • Charger controller malfunction
  • Problems with high voltage contactors
  • Malfunction of voltage sensors
  • Corrosion of high voltage system connections

How to Fix

  1. Check the integrity of wiring and connections
  2. Test high voltage contactors
  3. Check the operation of the charger controller
  4. Diagnose the condition of a high-voltage battery
  5. Repair only from an authorized dealer

Related codes

Error P0E65 by Vehicle Brand