OBD Guide

P1FBB

Hybrid/EV Battery Interface Control Module 9 Long Term Memory Performance

P1FBB is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 9 Long Term Memory Performance. Common causes: control module software errors, physical damage to the module. 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
  • Reduced power or efficiency of the hybrid system
  • Problems with charging a high-voltage battery
  • Incorrect display of battery charge level
  • The vehicle goes into emergency mode

Causes

  • Control module software errors
  • Physical damage to the module
  • Module power problems
  • Corroded or damaged connectors
  • Internal module memory faults

How to Fix

  1. Module diagnostics using specialized equipment
  2. Checking the integrity of the wiring harness and connectors
  3. Module software update
  4. Checking module power and grounding
  5. Replacing the Battery Interface Control Module if necessary
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the P1FBB code mean?

P1FBB is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 9 Long Term Memory Performance

What causes a P1FBB error code?

The most common causes of P1FBB include: Control module software errors; Physical damage to the module; Module power problems; Corroded or damaged connectors.

How do I fix a P1FBB diagnostic trouble code?

To fix P1FBB: Module diagnostics using specialized equipment. 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 P1FBB?

Limited driving only, diagnose soon

How much does it cost to fix P1FBB?

The estimated repair cost for P1FBB is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat