OBD Guide

P1E8F

Hybrid/EV Battery Interface Control Module 1 Random Access Memory Performance

P1E8F is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 1 Random Access Memory Performance. Common causes: control module software failure, damage to module ram. 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
  • Incorrect battery level readings
  • Limitation of operation in electric mode
  • Malfunctions in the energy recovery system

Causes

  • Control module software failure
  • Damage to module RAM
  • Control module power problems
  • Corroded or damaged connectors
  • Overheating of module electronic components

How to Fix

  1. Diagnostics of the scanner control module
  2. Check the integrity of the wiring harness and connectors
  3. Update module software
  4. Check the control module cooling system
  5. If necessary, replace the battery management module

Related codes

FAQ

What does the P1E8F code mean?

P1E8F is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 1 Random Access Memory Performance

What causes a P1E8F error code?

The most common causes of P1E8F include: Control module software failure; Damage to module RAM; Control module power problems; Corroded or damaged connectors.

How do I fix a P1E8F diagnostic trouble code?

To fix P1E8F: Diagnostics of the scanner control module. Check the integrity of the wiring harness and connectors. Update module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E8F?

Limited driving only, diagnose soon

How much does it cost to fix P1E8F?

The estimated repair cost for P1E8F is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat