Engine-CodesGMC – B3124 GMC

B3124 GMC Code - Keyless Entry Antenna 6

Quick Answer

The B3124 GMC code specifically refers to an issue with the Keyless Entry Antenna 6 in the vehicle. Common causes include Damaged or faulty Keyless Entry Antenna 6, Wiring issues in the keyless entry system, Faulty key fob. 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 GMC indicates Keyless Entry Antenna 6.
Common causes
Common causes include Damaged or faulty Keyless Entry Antenna 6, Wiring issues in the keyless entry system, Faulty key fob.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B3124 GMC Description

The B3124 GMC code specifically refers to an issue with the Keyless Entry Antenna 6 in the vehicle. The keyless entry system allows drivers to unlock and lock their vehicles remotely using a key fob. The antenna is a crucial component of this system as it receives signals from the key fob and communicates with the vehicle's control module to perform the desired action.

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

Common Causes of B3124 GMC

  1. Damaged or faulty Keyless Entry Antenna 6.
  2. Wiring issues in the keyless entry system.
  3. Faulty key fob.
  4. Malfunctioning control module.
  5. Water damage to the antenna or wiring.

Symptoms of B3124 GMC

  1. Key fob not working to unlock or lock the vehicle.
  2. Intermittent response from the keyless entry system.
  3. Inability to start the vehicle remotely.
  4. Alarm system not responding to the key fob.
  5. Warning light on the dashboard related to the keyless entry system.

How to Fix B3124 GMC

  1. Diagnose the issue by using a scan tool to retrieve the specific code and test the keyless entry system components.
  2. Inspect the Keyless Entry Antenna 6 for any visible damage or corrosion.
  3. Check the wiring connections for any loose or damaged wires.
  4. Replace the Keyless Entry Antenna 6 if it is found to be faulty.
  5. Reset the keyless entry system and reprogram any key fobs as needed.

Cost to Fix B3124 GMC

The typical repair costs for addressing a Keyless Entry Antenna 6 issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $200, while the labor costs can be between $100 and $200. Overall, the total repair cost for this issue may fall between $150 and $400. It's important to note that these are rough estimates, and actual costs can vary based on factors such as location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to obtain quotes from local repair shops for a more accurate cost estimate.

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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 B3124 GMC Code

1. What does OBDII code B3124 GMC indicate?

- OBDII code B3124 for GMC specifically refers to a fault with Keyless Entry Antenna 6.

2. What are common symptoms of OBDII code B3124 GMC?

- Common symptoms include issues with the keyless entry system, such as the remote not working or difficulty locking/unlocking the vehicle.

3. What are possible causes of OBDII code B3124 GMC?

- Possible causes include a faulty keyless entry antenna, damaged wiring, poor antenna connection, or a malfunctioning control module.

4. How can I diagnose the cause of OBDII code B3124 GMC?

- Diagnose the code by inspecting the keyless entry antenna for physical damage, checking the wiring for continuity, ensuring proper antenna connection, and using a diagnostic tool to scan the system.

5. Can OBDII code B3124 GMC be fixed by resetting the system?

- Resetting the system may temporarily clear the code, but if the underlying issue persists (such as a faulty antenna), the code will likely reappear.

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

- It is generally safe to drive with this code, but it is recommended to address the underlying issue to ensure proper functioning of the keyless entry system.

7. How can I repair OBDII code B3124 GMC?

- Repair options include replacing the keyless entry antenna, repairing damaged wiring, securing loose connections, or reprogramming the control module if necessary.

8. Can a DIY enthusiast fix OBDII code B3124 GMC at home?

- Depending on the root cause, DIY enthusiasts may be able to address the issue by following repair guides, using basic tools, and having some knowledge of automotive electrical systems.

9. Are there any preventative measures to avoid OBDII code B3124 GMC?

- To prevent this code, regularly inspect the keyless entry system components for damage, ensure proper maintenance, and address any issues promptly.

10. How much does it typically cost to repair OBDII code B3124 GMC at a professional mechanic or dealership?

- Repair costs can vary depending on the exact cause, but expect to pay for parts (such as a new antenna) and labor fees which can range from $100 to $300 or more.

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