OBD Guide

P1FB8

Hybrid/EV Battery Interface Control Module 6 Long Term Memory Performance

P1FB8 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 6 Long Term Memory Performance. Common causes: control module software failure, damage to the module's internal memory. Estimated repair cost: $167–556.

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

Symptoms

  • Hybrid system power reduction
  • Increased fuel consumption (in hybrid models)
  • Check Engine Light Illuminates
  • Error message on the dashboard
  • Reduced efficiency of regenerative braking

Causes

  • Control module software failure
  • Damage to the module's internal memory
  • Module power problems
  • Corroded or damaged connectors
  • Age-related wear and tear on electronic components

How to Fix

  1. Module diagnostics using a scanner
  2. Checking the integrity of the wiring harness and connectors
  3. Module software update
  4. Checking the module supply voltage
  5. Replacing the control module if necessary

Related codes

FAQ

What does the P1FB8 code mean?

P1FB8 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 6 Long Term Memory Performance

What causes a P1FB8 error code?

The most common causes of P1FB8 include: Control module software failure; Damage to the module's internal memory; Module power problems; Corroded or damaged connectors.

How do I fix a P1FB8 diagnostic trouble code?

To fix P1FB8: Module diagnostics using a scanner. Checking the integrity of the wiring harness and connectors. Module software update. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FB8?

Limited driving only, diagnose soon

How much does it cost to fix P1FB8?

The estimated repair cost for P1FB8 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat