OBD Guide

P1E81

Hybrid/Electric Vehicle Battery 86 Circuit

P1E81 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 86 Circuit. Common causes: battery fault 86, damage to the electrical circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Problems starting the car
  • Limitation of hybrid system functions
  • Error message on display

Causes

  • Battery fault 86
  • Damage to the electrical circuit
  • Oxidation or corrosion of contacts
  • Problems with connectors
  • Malfunction of the hybrid system control unit

How to Fix

  1. Check battery condition 86
  2. Inspect the electrical circuit for damage
  3. Check and clean contacts and connectors
  4. Test the operation of the hybrid system control unit
  5. If necessary, replace the battery 86

Related codes

FAQ

What does the P1E81 code mean?

P1E81 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 86 Circuit

What causes a P1E81 error code?

The most common causes of P1E81 include: Battery fault 86; Damage to the electrical circuit; Oxidation or corrosion of contacts; Problems with connectors.

How do I fix a P1E81 diagnostic trouble code?

To fix P1E81: Check battery condition 86. Inspect the electrical circuit for damage. Check and clean contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E81?

Limited driving only, diagnose soon

How much does it cost to fix P1E81?

The estimated repair cost for P1E81 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat