OBD Guide

P1FB7

Hybrid/EV Battery Interface Control Module 5 Long Term Memory Performance

P1FB7 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 5 Long Term Memory Performance. Common causes: control module software failure, damage to the module's long-term memory. Estimated repair cost: $167–556.

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

Symptoms

  • Reduced performance of the hybrid system
  • Reducing electric range
  • Check Engine Light Illuminated
  • Incorrect display of battery charge level
  • Reduced vehicle power

Causes

  • Control module software failure
  • Damage to the module's long-term memory
  • Module power problems
  • Corroded or damaged connectors
  • Wiring harness damage

How to Fix

  1. Conduct module diagnostics using a scanner
  2. Check the integrity of the wiring harness and connectors
  3. Check power supply and grounding of the module
  4. Reflash the module (if available)
  5. If necessary, replace the control module
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the P1FB7 code mean?

P1FB7 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 5 Long Term Memory Performance

What causes a P1FB7 error code?

The most common causes of P1FB7 include: Control module software failure; Damage to the module's long-term memory; Module power problems; Corroded or damaged connectors.

How do I fix a P1FB7 diagnostic trouble code?

To fix P1FB7: Conduct module diagnostics using a scanner. Check the integrity of the wiring harness and connectors. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FB7?

Limited driving only, diagnose soon

How much does it cost to fix P1FB7?

The estimated repair cost for P1FB7 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat