OBD Guide

P2D64

Battery Charging System Negative Contactor C Stuck Open

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Hybrid system warning light on dashboard
  • Reduced power or inability to start the vehicle
  • Problems with charging a high-voltage battery
  • Limitation of emergency operation
  • Error message in the vehicle information system

Causes

  • Negative contactor C fault
  • Problems in the contactor control circuit
  • Open or short circuit in wiring harness
  • Malfunction of the charging system control module
  • Corrosion or poor contact in connectors

How to Fix

  1. Diagnostics of the contactor control circuit
  2. Checking the condition of contactor C
  3. Checking the integrity of the wiring harness
  4. Control module diagnostics
  5. Replacing faulty components

Related codes

Error P2D64 by Vehicle Brand