OBD Guide
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P1FB2

Hybrid/EV Battery Interface Control Module 6 Random Access Memory Performance

P1FB2 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Interface Control Module 6 Random Access Memory Performance. Common causes: software failure in the control module, module hardware failure. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Battery charging problems
  • Reduced vehicle power
  • There may be malfunctions in the vehicle information system.

Causes

  • Software failure in the control module
  • Module hardware failure
  • Problems with electrical connections
  • Wiring harness damage
  • Contact corrosion

How to Fix

  1. Conduct module diagnostics using a scanner
  2. Check and clean electrical connections
  3. Update module software
  4. If necessary, replace the control module
  5. Check the condition of the wiring harness

Related codes

P1FB0P1FB1P1FB3

FAQ

What does the P1FB2 code mean?

P1FB2 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Interface Control Module 6 Random Access Memory Performance

What causes a P1FB2 error code?

The most common causes of P1FB2 include: Software failure in the control module; Module hardware failure; Problems with electrical connections; Wiring harness damage.

How do I fix a P1FB2 diagnostic trouble code?

To fix P1FB2: Conduct module diagnostics using a scanner. Check and clean electrical connections. Update module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1FB2?

Do not drive — repair immediately

How much does it cost to fix P1FB2?

The estimated repair cost for P1FB2 is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat