AutoCodes – Buick – B3124 Buick

B3124 Buick Code - Keyless Entry Antenna 6

Quick Answer

The rear compartment antenna is located on the rear compartment floor near the seat back, centered, and is used to establish low frequency communications with the keyless entry transmitter. Common causes include Faulty Keyless Entry Antenna Rear Compartment, Keyless Entry Antenna Rear Compartment harness is open or shorted, Keyless Entry Antenna Rear Compartment circuit poor electrical connection. 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 Buick indicates Keyless Entry Antenna 6.
Common causes: Common causes include Faulty Keyless Entry Antenna Rear Compartment, Keyless Entry Antenna Rear Compartment harness is open or shorted, Keyless Entry Antenna Rear Compartment circuit poor electrical connection.
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.

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Code Popularity 1,276

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3124 Buick Description

The rear compartment antenna is located on the rear compartment floor near the seat back, centered, and is used to establish low frequency communications with the keyless entry transmitter. When the driver attempts to change the ignition status of the vehicle, the Keyless Entry Control Module communicates with the rear compartment antenna. The Diagnostic Trouble Code (DTC) sets when the keyless entry control module detects a short to ground on the rear compartment keyless entry antenna signal circuit.

OBDII Code B3124 Buick - Keyless Entry Antenna 6 - AutoCodes.com — B3124 Buick Code - Keyless Entry Antenna 6

What does this mean?

What are the Possible Causes of the DTC B3124 Buick?

Faulty Keyless Entry Antenna Rear Compartment
Keyless Entry Antenna Rear Compartment harness is open or shorted
Keyless Entry Antenna Rear Compartment circuit poor electrical connection
Faulty Keyless Entry Control Module

How to Fix the DTC B3124 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3124 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

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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 Buick Code

1. What are the common symptoms of OBDII code B3124 in a Buick related to the Keyless Entry Antenna 6?

- Common symptoms include issues with the keyless entry system, such as the remote not working or the vehicle not recognizing the key fob.

2. What could be the possible causes of OBDII code B3124 related to the Keyless Entry Antenna 6 in a Buick?

- Possible causes may include a faulty key fob, damaged wiring or connectors in the antenna system, or a malfunctioning antenna itself.

3. How can I diagnose the issue causing OBDII code B3124 in my Buick's Keyless Entry Antenna 6?

- Diagnosing the problem may involve checking the key fob battery, inspecting the antenna wiring for any visible damage, and using a diagnostic tool to analyze the antenna system.

4. Can I repair the OBDII code B3124 related to the Keyless Entry Antenna 6 in my Buick at home?

- Depending on the specific cause, you may be able to repair the issue at home by replacing the key fob battery, repairing damaged wiring, or replacing the antenna assembly.

5. Is it necessary to visit a dealership or mechanic for OBDII code B3124 related to the Keyless Entry Antenna 6 in a Buick?

- If the issue is complex or requires specialized tools, it may be best to visit a dealership or qualified mechanic to accurately diagnose and repair the problem.

6. Can a malfunctioning Keyless Entry Antenna 6 in a Buick cause other issues besides triggering OBDII code B3124?

- Yes, a malfunctioning keyless entry antenna can cause other issues such as difficulty locking or unlocking the doors remotely or problems with the vehicle's immobilizer system.

7. How can I prevent OBDII code B3124 related to the Keyless Entry Antenna 6 from occurring in my Buick?

- Regularly checking and maintaining the key fob, antenna system, and related components can help prevent issues that may trigger this OBDII code.

8. Are there any recalls or technical service bulletins related to OBDII code B3124 in Buicks with Keyless Entry Antenna 6?

- It's recommended to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code and component.

9. What is the typical cost to repair OBDII code B3124 related to the Keyless Entry Antenna 6 in a Buick?

- The cost of repair can vary depending on the cause of the issue, but it may involve expenses for parts, labor, and diagnostic fees.

10. How important is it to address OBDII code B3124 related to the Keyless Entry Antenna 6 in a Buick promptly?

- It's important to address this code promptly to ensure the proper functioning of the keyless entry system and maintain the security of your vehicle.