OBD Guide

P1FA8

Hybrid/EV Battery Interface Control Module 7 Not Programmed

P1FA8 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 7 Not Programmed. Common causes: module replacement without further programming, module software failure. Estimated repair cost: ~$167.

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

Symptoms

  • Check Engine Light Is On
  • Hybrid system power reduction
  • Limitation of electric mode operation
  • Error message on display
  • Battery charging problems

Causes

  • Module replacement without further programming
  • Module software failure
  • Problems with communication between modules
  • Errors in previous programming attempts
  • Module memory corruption

How to Fix

  1. Diagnostics using a scanner that supports hybrid systems
  2. Checking the module software version
  3. Reprogramming the Battery Management Module
  4. Checking correct operation after programming
  5. Updating the software of other related modules if necessary

Related codes

FAQ

What does the P1FA8 code mean?

P1FA8 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 7 Not Programmed

What causes a P1FA8 error code?

The most common causes of P1FA8 include: Module replacement without further programming; Module software failure; Problems with communication between modules; Errors in previous programming attempts.

How do I fix a P1FA8 diagnostic trouble code?

To fix P1FA8: Diagnostics using a scanner that supports hybrid systems. Checking the module software version. Reprogramming the Battery Management Module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FA8?

Limited driving only, diagnose soon

How much does it cost to fix P1FA8?

The estimated repair cost for P1FA8 is ~$167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat