Engine-CodesDodge – B1A16 Dodge

B1A16 Dodge Code - Remote Keyless Entry Fob 7 Battery Low

Quick Answer

The B1A16 diagnostic trouble code for Dodge vehicles indicates that the Remote Keyless Entry (RKE) Fob 7 battery is low. Common causes include Low battery in the key fob, Aging key fob, Environmental factors affecting battery life. 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
B1A16 Dodge indicates Remote Keyless Entry Fob 7 Battery Low.
Common causes
Common causes include Low battery in the key fob, Aging key fob, Environmental factors affecting battery life.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B1A16 Dodge Description

The B1A16 diagnostic trouble code for Dodge vehicles indicates that the Remote Keyless Entry (RKE) Fob 7 battery is low. The RKE system allows drivers to remotely lock, unlock, and start their vehicle using a key fob. When the battery in the key fob is low, it may not function properly, leading to issues with accessing and securing the vehicle.

OBDII Code B1A16 Dodge - Remote Keyless Entry Fob 7 Battery Low
B1A16 Dodge Code - Remote Keyless Entry Fob 7 Battery Low

Common Causes of B1A16 Dodge

  1. Low battery in the key fob
  2. Aging key fob
  3. Environmental factors affecting battery life
  4. Manufacturing defect in the key fob
  5. Continuous use of key fob functions draining the battery

Symptoms of B1A16 Dodge

  1. Key fob not working properly
  2. Difficulty locking or unlocking the vehicle remotely
  3. Vehicle alarm system malfunctions
  4. Inconsistent response to remote commands

How to Fix B1A16 Dodge

  1. Purchase a new battery for the key fob.
  2. Open the key fob using a small screwdriver or a coin.
  3. Replace the old battery with the new one, ensuring the correct polarity.
  4. Close the key fob casing securely.
  5. Test the key fob to ensure it is functioning properly.

Cost to Fix B1A16 Dodge

The cost of replacing the battery in a key fob is relatively low, typically ranging from $5 to $15 for the battery itself. If the key fob needs to be replaced due to damage or malfunction, the cost can range from $50 to $200, depending on the make and model of the vehicle. Labor costs for replacing the key fob battery at an auto repair shop may vary, but typically fall within the range of $50 to $100. It's recommended to consult with a professional technician to get an accurate estimate based on your specific vehicle and location.

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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 B1A16 Dodge Code

1. What does the OBDII code B1A16 for Dodge "Remote Keyless Entry Fob 7 Battery Low" indicate?

- This code indicates that the battery in the remote keyless entry fob for the seventh button is running low.

2. What are the common symptoms of a low battery in the remote keyless entry fob (B1A16)?

- Common symptoms include the key fob not working properly, reduced range for keyless entry, and intermittent functionality.

3. What are the possible causes of the B1A16 OBDII code for a Dodge vehicle?

- The most common cause is a worn-out or failing battery in the remote keyless entry fob for the seventh button.

4. How can I diagnose a low battery issue in the remote keyless entry fob associated with the B1A16 code?

- You can try replacing the battery in the key fob and see if the symptoms improve. If the issue persists, further troubleshooting may be needed.

5. Can I replace the battery in the remote keyless entry fob myself to address the B1A16 code?

- Yes, replacing the battery in the key fob is a simple and inexpensive repair that can often resolve the B1A16 code.

6. Will replacing the battery in the remote keyless entry fob clear the B1A16 code from the vehicle's system?

- In most cases, after replacing the battery and restoring proper functionality to the key fob, the B1A16 code should clear on its own.

7. Are there any tips to extend the battery life of the remote keyless entry fob?

- Avoid prolonged exposure to extreme temperatures, regularly check and replace the battery when needed, and avoid unnecessary button presses to prolong battery life.

8. If replacing the battery does not resolve the B1A16 code, what should I do next?

- If replacing the battery does not solve the issue, there may be a fault in the key fob itself or in the vehicle's keyless entry system. Further diagnosis by a professional may be necessary.

9. How often should I replace the battery in the remote keyless entry fob to prevent the B1A16 code from appearing?

- It is recommended to replace the battery in the key fob every 1-2 years or when you notice a decrease in performance to prevent the B1A16 code from occurring.

10. Can a low battery in the remote keyless entry fob cause other issues besides triggering the B1A16 code?

- Yes, a low battery can cause various keyless entry problems, such as intermittent operation, failure to unlock/lock the vehicle, and issues with the alarm system.

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