OBD Guide

P1E4C

Hybrid/Electric Vehicle Battery 33 Circuit

P1E4C is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 33 Circuit. Common causes: damage to the wiring in the battery circuit, battery module #33 malfunction. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Reduced vehicle power
  • Switching to emergency mode
  • Warning messages on the instrument panel
  • Reduced electric range
  • Unstable operation of the hybrid system

Causes

  • Damage to the wiring in the battery circuit
  • Battery module #33 malfunction
  • Problems with high voltage system connectors
  • Battery control unit malfunction
  • Corrosion of contacts in the battery circuit

How to Fix

  1. Carry out diagnostics of the high-voltage system
  2. Check the integrity of wiring and connectors
  3. Test battery module #33
  4. Replace damaged components
  5. Update control unit software

Related codes

FAQ

What does the P1E4C code mean?

P1E4C is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 33 Circuit

What causes a P1E4C error code?

The most common causes of P1E4C include: Damage to the wiring in the battery circuit; Battery module #33 malfunction; Problems with high voltage system connectors; Battery control unit malfunction.

How do I fix a P1E4C diagnostic trouble code?

To fix P1E4C: Carry out diagnostics of the high-voltage system. Check the integrity of wiring and connectors. Test battery module #33. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E4C?

Do not drive — repair immediately

How much does it cost to fix P1E4C?

The estimated repair cost for P1E4C is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat