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Engine-Codes – Generic – B1A14

B1A14 Code - Remote Keyless Entry Fob 5 Battery Low

Quick Answer

The B1A14 diagnostic trouble code indicates that the Remote Keyless Entry (RKE) Fob 5 battery is low. Common causes include Normal wear and tear on the battery due to frequent use of the key fob, Exposure to extreme temperatures or moisture that can affect the battery life, Faulty key fob that drains the battery quicker than usual. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1A14 indicates Remote Keyless Entry Fob 5 Battery Low.
Common causes
Common causes include Normal wear and tear on the battery due to frequent use of the key fob, Exposure to extreme temperatures or moisture that can affect the battery life, Faulty key fob that drains the battery quicker than usual.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code B1A14 Description

The B1A14 diagnostic trouble code indicates that the Remote Keyless Entry (RKE) Fob 5 battery is low. The Remote Keyless Entry system allows drivers to lock and unlock their vehicle doors, open the trunk, and even start the engine without physically inserting the key into the ignition. The RKE fob contains a small battery that powers the transmitter and receiver functions necessary for the system to work properly. When the battery in the RKE fob is low, it can lead to issues with the system's performance, potentially resulting in the vehicle not responding to the key fob commands.

OBDII Code B1A14 - Remote Keyless Entry Fob 5 Battery Low
B1A14 Code - Remote Keyless Entry Fob 5 Battery Low

Common Causes of B1A14

  1. Normal wear and tear on the battery due to frequent use of the key fob.
  2. Exposure to extreme temperatures or moisture that can affect the battery life.
  3. Faulty key fob that drains the battery quicker than usual.
  4. Manufacturing defect in the key fob that leads to premature battery depletion.

Symptoms of B1A14

  1. Difficulty locking or unlocking the doors using the key fob.
  2. Inconsistent response from the vehicle when pressing the key fob buttons.
  3. Reduced range of the key fob signal, requiring the driver to be closer to the vehicle for it to work.
  4. Warning message on the vehicle's dashboard indicating low battery in the key fob.

How to Fix B1A14

  1. Purchase a replacement battery for the key fob. The specific battery type will vary depending on the make and model of the vehicle.
  2. Use a small screwdriver to carefully open the key fob and remove the old battery.
  3. Insert the new battery into the key fob, ensuring it is correctly oriented.
  4. Close the key fob case and test the functionality by pressing the buttons to lock and unlock the doors.
  5. If the issue persists, it may be necessary to have the key fob reprogrammed by a professional technician.

Cost to Fix B1A14

The cost of replacing the battery in a key fob typically ranges from $5 to $15 for the battery itself. If the key fob needs to be reprogrammed by a technician, additional labor costs may apply. The total cost of the repair can vary depending on the make and model of the vehicle, as well as the specific procedures required to replace the key fob battery. It is advisable to consult with a local auto repair shop to get an accurate estimate for this repair.

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Code B1A14 Information for Specific Makes

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 B1A14 Code

1. What are the common symptoms of OBDII code B1A14 (Remote Keyless Entry Fob 5 Battery Low)?

The common symptoms include receiving a low battery warning on the remote keyless entry fob, difficulty in unlocking or locking the vehicle using the fob, and intermittent functionality of the remote functions.

2. What causes the OBDII code B1A14 to trigger for Remote Keyless Entry Fob 5 Battery Low?

The code B1A14 is triggered when the vehicle's onboard system detects a low battery level in the fifth remote keyless entry fob.

3. How can I fix the Remote Keyless Entry Fob 5 Battery Low issue associated with OBDII code B1A14?

You can fix this issue by replacing the battery in the fifth remote keyless entry fob with a new one. Make sure to use the correct type of battery recommended by the vehicle manufacturer.

4. Can a low battery in the remote keyless entry fob cause other problems in the vehicle?

Yes, a low battery in the remote keyless entry fob can cause issues such as intermittent communication with the vehicle's onboard system, leading to sporadic functionality of the remote functions.

5. How often should I replace the battery in the remote keyless entry fob to prevent OBDII code B1A14 from triggering?

It is recommended to replace the battery in the remote keyless entry fob at least once a year or when you notice decreased performance in the remote functions to avoid triggering the B1A14 code.

6. Is it necessary to reprogram the remote keyless entry fob after replacing the battery for code B1A14?

In most cases, you do not need to reprogram the remote keyless entry fob after replacing the battery for code B1A14. Simply replacing the battery should restore proper functionality.

7. Can I use a generic battery for the remote keyless entry fob, or should I use a specific brand recommended by the vehicle manufacturer?

It is recommended to use the specific brand and type of battery recommended by the vehicle manufacturer to ensure optimal performance and prevent issues related to the remote keyless entry fob.

8. Will ignoring the Remote Keyless Entry Fob 5 Battery Low warning cause any damage to the vehicle?

Ignoring the warning may lead to complete failure of the remote keyless entry fob, making it difficult to unlock or lock the vehicle. It is best to address the low battery issue promptly to avoid inconvenience.

9. Are there any DIY tips for troubleshooting the Remote Keyless Entry Fob 5 Battery Low issue before replacing the battery?

You can try cleaning the battery contacts in the remote keyless entry fob with a dry cloth or gently bending the contacts for better connection before opting to replace the battery.

10. How can I prevent the Remote Keyless Entry Fob 5 Battery Low issue from occurring frequently?

To prevent the frequent occurrence of the low battery issue, you can periodically check the battery level in all remote keyless entry fobs, replace batteries proactively, and store spare batteries for quick replacement when needed.

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