AutoCodes – RAM – B1A26 RAM

B1A26 RAM 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 RAM 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 585

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

What does this mean?

What are the Possible Causes of the DTC B1A26 RAM?

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

How to Fix the DTC B1A26 RAM?

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 RAM 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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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 RAM Code

1. What does the OBDII code B1A26 RAM "Maximum Number Of Keys Programmed" mean?

This code indicates that the vehicle's computer has reached the maximum number of keys programmed and cannot add any more keys to the system.

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

Common symptoms include issues with key fob programming, inability to add new keys to the vehicle, and potential problems with the immobilizer system.

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

Possible causes include a full memory capacity for key programming, a fault in the immobilizer system, or a malfunction in the key fob programming module.

4. How can I diagnose the OBDII code B1A26 RAM?

Diagnosis typically involves using a professional OBDII scanner to retrieve the code, checking the key programming status in the vehicle's computer, and inspecting the key fob programming module for any faults.

5. How do I repair OBDII code B1A26 RAM?

To repair this code, you may need to clear the existing key programming data from the vehicle's computer, reprogram the keys following the manufacturer's instructions, or diagnose and fix any underlying issues with the immobilizer system.

6. Can I fix OBDII code B1A26 RAM at home?

While simple key programming procedures can be done at home, diagnosing and repairing complex issues related to this code may require professional assistance or specialized tools.

7. What happens if I ignore OBDII code B1A26 RAM?

Ignoring this code can lead to difficulties in starting your vehicle, potential security risks due to key fob malfunctions, and the inability to add new keys in the future.

8. Is it safe to drive with OBDII code B1A26 RAM present?

If your vehicle is still starting and running normally despite the code, it may be safe to drive in the short term. However, it is recommended to address the issue promptly to avoid any potential problems with key programming or immobilization.

9. Can key fob battery replacement fix OBDII code B1A26 RAM?

While a weak key fob battery can sometimes cause issues with key programming, replacing the battery alone may not fix the specific problem related to the maximum number of keys programmed. It's best to diagnose the code accurately before attempting any repairs.

10. How can I prevent OBDII code B1A26 RAM from occurring in the future?

To prevent this code from occurring again, follow the manufacturer's guidelines for key programming, avoid overloading the vehicle's memory with unnecessary key data, and address any key fob or immobilizer issues promptly.