OBD Guide

P1E04

Hybrid/Electric Vehicle Battery 96 Circuit Performance

P1E04 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 96 Circuit Performance. Common causes: poor contact in high voltage battery connectors, damage to the insulation of high-voltage wires. Estimated repair cost: $167–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Reduced vehicle power
  • Switching to emergency mode
  • Reducing electric range
  • Check Engine Light Illuminates
  • Error message on the dashboard

Causes

  • Poor contact in high voltage battery connectors
  • Damage to the insulation of high-voltage wires
  • Battery control unit malfunction
  • Battery cell degradation
  • Problems with balancing battery cells

How to Fix

  1. Carry out diagnostics of the high-voltage system (by specialists only)
  2. Check connections and connectors of the high-voltage battery
  3. Test the battery control unit
  4. Check the condition of the battery cells
  5. Repair or replacement of faulty components

Related codes

FAQ

What does the P1E04 code mean?

P1E04 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 96 Circuit Performance

What causes a P1E04 error code?

The most common causes of P1E04 include: Poor contact in high voltage battery connectors; Damage to the insulation of high-voltage wires; Battery control unit malfunction; Battery cell degradation.

How do I fix a P1E04 diagnostic trouble code?

To fix P1E04: Carry out diagnostics of the high-voltage system (by specialists only). Check connections and connectors of the high-voltage battery. Test the battery control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E04?

Limited driving only, diagnose soon

How much does it cost to fix P1E04?

The estimated repair cost for P1E04 is $167–889. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat