AutoCodes – Generic – B1A26

B1A26 Code - Maximum Number Of Keys Programmed

Quick Answer

When a key is inserted in the ignition switch and is turned to the Run/Start position, the Wireless Control Module (WCM) performs a self-test and re-synchronization routine. Common causes include Maximum Number Of Keys Programmed, Faulty Wireless Control Module (WCM). 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: B1A26 indicates Maximum Number Of Keys Programmed.
Common causes: Common causes include Maximum Number Of Keys Programmed, Faulty Wireless Control Module (WCM).
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 1,738

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 Aug 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1A26 Description

When a key is inserted in the ignition switch and is turned to the Run/Start position, the Wireless Control Module (WCM) performs a self-test and re-synchronization routine. During this routine, the WCM interrogates the key, performing various validity and performance tests. The OBDII Code P1A26 is set when the maximum number of keys (eight) have been programmed into the Wireless Control Module (WCM).

OBDII Code B1A26 - Maximum Number Of Keys Programmed - AutoCodes.com — B1A26 Code - Maximum Number Of Keys Programmed

What does this mean?

What are the Possible Causes of the DTC B1A26?

Maximum Number Of Keys Programmed
Faulty Wireless Control Module (WCM)

How to Fix the DTC B1A26?

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 B1A26 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.

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Need Help with the Code?

Get the B1A26 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1A26 Chrysler — Maximum Number Of Keys Programmed
B1A26 Dodge — Maximum Number Of Keys Programmed
B1A26 Jeep — Maximum Number Of Keys Programmed
B1A26 RAM — Maximum Number Of Keys Programmed

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 B1A26 Code

1. What does OBDII code B1A26 mean?

- This code (B1A26) indicates a problem with the maximum number of keys programmed in the vehicle's security system.

2. What are the common symptoms of OBDII code B1A26?

- Common symptoms include issues with starting the vehicle, security system warnings, and key fob malfunction.

3. What are the possible causes of OBDII code B1A26?

- Causes can include a faulty key fob, issues with the vehicle's security module, or programming errors during key replacement.

4. How can I diagnose OBDII code B1A26?

- Diagnosis typically involves using a diagnostic scanner to retrieve the code and checking the key fob functionality and security system components.

5. Can I still drive my vehicle with OBDII code B1A26?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid potential security or starting problems.

6. How can I repair OBDII code B1A26?

- Repair options may include reprogramming the key fob, resetting the security system, or seeking assistance from a professional automotive locksmith or dealership.

7. Can I reset OBDII code B1A26 myself?

- Resetting the code may be possible by addressing the underlying issue, such as reprogramming the keys, but it is recommended to use a diagnostic scanner to clear the code properly.

8. Are there any DIY tips for fixing OBDII code B1A26?

- DIY tips may include checking the key fob battery, ensuring proper key programming, and inspecting the security system wiring for any visible issues.

9. How much does it cost to repair OBDII code B1A26?

- Repair costs can vary depending on the underlying cause and whether professional assistance is required. Costs may include key fob reprogramming fees or component replacements.

10. How common is OBDII code B1A26 in vehicles?

- This code is relatively common in vehicles equipped with keyless entry systems and can occur due to various factors related to key programming and security system operation.