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B1A15 Chrysler Code - Remote Keyless Entry Fob 6 Battery Low

Quick Answer

The B1A15 Chrysler diagnostic trouble code indicates that the remote keyless entry fob 6 battery is low. Common causes include Low battery in the key fob, Battery reaching the end of its lifespan, Faulty key fob. 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
B1A15 Chrysler indicates Remote Keyless Entry Fob 6 Battery Low.
Common causes
Common causes include Low battery in the key fob, Battery reaching the end of its lifespan, Faulty key fob.
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 11, 2024
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Code B1A15 Chrysler Description

The B1A15 Chrysler diagnostic trouble code indicates that the remote keyless entry fob 6 battery is low. This code is typically triggered when the battery in the key fob is running low on power and needs to be replaced. The key fob is an essential component of the vehicle's remote keyless entry system, allowing the driver to lock and unlock the doors, open the trunk, and even start the engine remotely in some models.

OBDII Code B1A15 Chrysler - Remote Keyless Entry Fob 6 Battery Low
B1A15 Chrysler Code - Remote Keyless Entry Fob 6 Battery Low

Common Causes of B1A15 Chrysler

  1. Low battery in the key fob
  2. Battery reaching the end of its lifespan
  3. Faulty key fob
  4. Environmental factors affecting battery life (extreme temperatures, humidity)

Symptoms of B1A15 Chrysler

  1. Key fob not working properly
  2. Weak signal when using the key fob
  3. Inability to remotely lock or unlock the doors
  4. Key fob needing to be placed very close to the vehicle to work

How to Fix B1A15 Chrysler

  1. Purchase a new battery for the key fob
  2. Carefully open the key fob using a small screwdriver or a coin
  3. Remove the old battery from the key fob
  4. Insert the new battery into the key fob, ensuring it is placed in the correct orientation
  5. Close the key fob securely and test it to ensure it is functioning properly

Cost to Fix B1A15 Chrysler

The cost of replacing the battery in a key fob is relatively low, typically ranging from $5 to $15 for the battery itself. If you choose to have the battery replaced at an auto repair shop, labor costs may add an additional $20 to $50, depending on the shop's hourly rate. It's important to note that prices can vary depending on the location and the specific make and model of the vehicle.

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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 B1A15 Chrysler Code

1. What does OBDII code B1A15 mean for a Chrysler vehicle?

Code B1A15 indicates that the battery in Remote Keyless Entry (RKE) Fob 6 is low and needs replacement.

2. What are the symptoms of the B1A15 code?

Symptoms include a warning on the dashboard, reduced range of the key fob, or intermittent functionality of the keyless entry system.

3. What causes the B1A15 code to appear?

The primary cause is a depleted or failing battery in the sixth programmed key fob for the vehicle.

4. How can I fix the B1A15 code?

Replace the battery in the affected key fob with a new one of the correct type, typically a coin-cell battery like CR2032.

5. How do I know which key fob is fob 6?

Fob 6 refers to the sixth key fob programmed to the vehicle. If you're unsure, test each programmed fob to determine which one has a low battery.

6. Can I clear the B1A15 code after replacing the key fob battery?

Yes, the code should clear automatically after replacing the battery, or you can use an OBDII scanner to clear it manually if it persists.

7. What type of battery does my Chrysler key fob use?

Most Chrysler key fobs use a CR2032 coin-cell battery, but check your owner's manual or the fob itself to confirm.

8. Is it safe to drive with the B1A15 code active?

Yes, it’s safe to drive, but the affected key fob may stop working completely if the battery isn’t replaced soon.

9. Can the B1A15 code indicate a problem other than a low battery?

While rare, the code could also indicate a problem with the key fob’s internal circuitry or improper programming.

10. How often do key fob batteries need to be replaced?

Key fob batteries typically last 2-3 years under normal use but may drain faster with frequent use or extreme temperature exposure.

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