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Engine-Codes – Generic – B3124

B3124 Code - Keyless Entry Antenna 6

Quick Answer

The B3124 diagnostic trouble code (DTC) indicates a problem with the Keyless Entry Antenna 6 in the vehicle. Common causes include Physical damage to the Keyless Entry Antenna 6, Electrical issues within the antenna wiring, Corrosion or poor connections in the antenna circuit. 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
B3124 indicates Keyless Entry Antenna 6.
Common causes
Common causes include Physical damage to the Keyless Entry Antenna 6, Electrical issues within the antenna wiring, Corrosion or poor connections in the antenna circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code B3124 Description

The B3124 diagnostic trouble code (DTC) indicates a problem with the Keyless Entry Antenna 6 in the vehicle. The keyless entry system allows drivers to lock and unlock their car doors, open the trunk, and even start the engine without using a physical key. Antenna 6 is one of the components responsible for receiving the signals from the key fob and transmitting them to the vehicle's control module.

OBDII Code B3124 - Keyless Entry Antenna 6
B3124 Code - Keyless Entry Antenna 6

Common Causes of B3124

  1. Physical damage to the Keyless Entry Antenna 6.
  2. Electrical issues within the antenna wiring.
  3. Corrosion or poor connections in the antenna circuit.
  4. Faulty key fob transmitting signals inconsistently.
  5. Control module issues affecting the communication with the antenna.

Symptoms of B3124

  1. Difficulty in locking or unlocking the doors using the keyless entry system.
  2. Remote start feature not working.
  3. Inconsistent response from the key fob when trying to operate the keyless entry system.
  4. Warning light on the dashboard indicating a keyless entry system malfunction.

How to Fix B3124

  1. Diagnose the specific cause of the Keyless Entry Antenna 6 malfunction using a diagnostic scan tool.
  2. Inspect the antenna wiring and connections for any damage or corrosion.
  3. Replace the Keyless Entry Antenna 6 if it is found to be faulty.
  4. Test the keyless entry system after the repair to ensure proper functionality.
  5. Clear the DTC from the vehicle's memory using the diagnostic scan tool.

Cost to Fix B3124

The typical repair costs for a Keyless Entry Antenna 6 issue can range from $150 to $300, including parts and labor. However, it's important to note that the actual cost can vary depending on the specific make and model of the vehicle, the location of the repair shop, and the extent of the damage. Additionally, the diagnosis time and labor rates at auto repair shops can also impact the overall cost. It's recommended to consult with a professional technician for a more accurate estimate based on the individual circumstances.

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Code B3124 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 B3124 Code

1. What are the common symptoms of OBDII code B3124 (Keyless Entry Antenna 6)?

The common symptoms include non-functional keyless entry system, difficulty locking or unlocking the vehicle remotely, and intermittent issues with the key fob.

2. What are the possible causes of OBDII code B3124?

The code B3124 is typically triggered by a faulty keyless entry antenna, damaged wiring in the antenna circuit, or a malfunctioning key fob.

3. How can I diagnose the issue related to OBDII code B3124?

Diagnosing the issue involves checking the keyless entry antenna 6 for physical damage, testing the antenna's electrical connections, and verifying the functionality of the key fob.

4. Can I repair OBDII code B3124 by myself?

Depending on your technical skills, you may be able to repair the issue by replacing the faulty keyless entry antenna 6 or repairing damaged wiring. However, professional diagnosis and assistance are recommended for accurate repairs.

5. Is it safe to continue driving with OBDII code B3124 present?

While the code B3124 may not directly affect the drivability of the vehicle, it is advisable to address the issue promptly to ensure the proper functioning of the keyless entry system and overall vehicle security.

6. Are there any temporary fixes for OBDII code B3124?

Temporary fixes such as reprogramming the key fob, checking and reconnecting loose wiring, or resetting the vehicle's computer system may sometimes resolve the issue temporarily, but a permanent fix is recommended.

7. How much does it cost to repair OBDII code B3124 (Keyless Entry Antenna 6)?

The cost of repair can vary depending on the extent of the issue, the need for parts replacement, and labor charges. It is advisable to obtain quotes from reputable automotive service centers.

8. Can a DIY enthusiast replace the keyless entry antenna 6 to fix OBDII code B3124?

Replacing the keyless entry antenna 6 requires technical knowledge and the right tools. DIY enthusiasts with experience in automotive repairs may be able to replace the antenna, but caution is advised to avoid further damage.

9. Will resetting the OBDII system clear the B3124 code related to the keyless entry antenna 6?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the keyless entry antenna 6 is not addressed, the code is likely to reappear. Proper diagnosis and repair are recommended.

10. Is OBDII code B3124 specific to certain vehicle makes and models?

OBDII code B3124 related to Keyless Entry Antenna 6 can be specific to certain vehicle makes and models that are equipped with keyless entry systems. It is advisable to refer to the vehicle's service manual for accurate information.

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