OBD Guide

P1E8E

Hybrid/EV Battery Interface Control Module 1 Performance

P1E8E is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 1 Performance. Common causes: battery management module malfunction, module power problems. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Reducing electric range
  • The car goes into emergency mode
  • Unusual battery level readings

Causes

  • Battery management module malfunction
  • Module power problems
  • Wiring harness damage
  • Contact corrosion
  • Module software error

How to Fix

  1. Check fault codes in battery module
  2. Check the integrity of the wiring harness and contacts
  3. Check power supply and grounding of the module
  4. Update module software
  5. If necessary, replace the control module

Related codes

FAQ

What does the P1E8E code mean?

P1E8E is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 1 Performance

What causes a P1E8E error code?

The most common causes of P1E8E include: Battery management module malfunction; Module power problems; Wiring harness damage; Contact corrosion.

How do I fix a P1E8E diagnostic trouble code?

To fix P1E8E: Check fault codes in battery module. Check the integrity of the wiring harness and contacts. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E8E?

Limited driving only, diagnose soon

How much does it cost to fix P1E8E?

The estimated repair cost for P1E8E is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat