OBD Guide

P1E03

Hybrid/Electric Vehicle Battery 95 Circuit High Voltage

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$556–2778 (est.)

Symptoms

  • Hybrid system warning light on dashboard
  • Reduced vehicle power
  • The car goes into emergency mode
  • Inability to charge the battery
  • Increased noise from the battery cooling system

Causes

  • Hybrid battery malfunction
  • Problems with the charging system
  • Power inverter malfunction
  • Damage to high voltage cables
  • Errors in battery management software

How to Fix

  1. Check the condition of the hybrid battery
  2. Diagnose the charging system
  3. Check the integrity of high-voltage cables
  4. Update battery management system software
  5. Repair only from an authorized dealer

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