AutoCodes – Generic – B26FC

B26FC Code - Key Registration

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Intelligent Key that does not match the vehicle is registered. Common causes include Faulty Intelligent Key, Faulty Body Control Module (BCM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B26FC indicates Key Registration.
Common causes: Common causes include Faulty Intelligent Key, Faulty Body Control Module (BCM).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,167

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B26FC Description

The Diagnostic Trouble Code (DTC) sets when the Intelligent Key that does not match the vehicle is registered.

OBDII Code B26FC - Key Registration - AutoCodes.com — B26FC Code - Key Registration

What does this mean?

What are the Possible Causes of the DTC B26FC?

Faulty Intelligent Key
Faulty Body Control Module (BCM)

How to Fix the DTC B26FC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B26FC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B26FC code?

Need more information on how to fix the B26FC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B26FC code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B26FC Infiniti — Key Registration
B26FC Nissan — Key Registration

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B26FC Code

1. What is OBDII code B26FC related to key registration?

This code indicates a problem with registering a new key in the vehicle's immobilizer system.

2. What are common symptoms of OBDII code B26FC?

Common symptoms include the inability to start the vehicle, the key not being recognized by the immobilizer system, and warning lights on the dashboard.

3. What are possible causes of OBDII code B26FC?

Potential causes include a faulty key, issues with the immobilizer system, programming errors during key registration, or a problem with the vehicle's electronic control module.

4. How can I diagnose the OBDII code B26FC issue?

Diagnosing this issue typically involves using a professional diagnostic scanner to read the trouble codes, checking the key for damage, and verifying the key registration process was done correctly.

5. Can I fix the OBDII code B26FC issue myself?

Simple key registration issues, such as a faulty key or programming error, can sometimes be fixed at home. However, more complex problems with the immobilizer system may require professional diagnosis and repair.

6. What should I do if my key is not being recognized after key registration?

If your key is not being recognized after registration, try re-registering the key following the correct procedure outlined in the vehicle's manual. If the issue persists, seek help from a qualified automotive technician.

7. Is it safe to continue driving with OBDII code B26FC present?

It is not recommended to drive the vehicle with key registration issues, as it may lead to the vehicle not starting or potential security risks due to the immobilizer system not functioning properly.

8. How much does it cost to repair OBDII code B26FC?

The cost of repairing this code can vary depending on the underlying cause. Simple key programming errors may be inexpensive to fix, while issues with the immobilizer system could be more costly.

9. Can OBDII code B26FC be triggered by a dead key fob battery?

Yes, a dead key fob battery can sometimes trigger key registration issues and result in the OBDII code B26FC. Try replacing the key fob battery before attempting any other repairs.

10. Are there any preventative measures to avoid OBDII code B26FC?

To prevent key registration issues, ensure your key is in good condition, follow the correct key registration procedures, and avoid exposing the key to water or extreme temperatures that could damage its electronic components.