AutoCodes – Generic – B3124

B3124 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 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 4,916
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 03, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code B3124 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 - Keyless Entry Antenna 6 - AutoCodes.com
B3124 Code - Keyless Entry Antenna 6

What are the Possible Causes of the DTC B3124?

  • 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?

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 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.

Need more information about the B3124 code?

Need more information on how to fix the B3124 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3124 code diagnosed by a professional: Find a repair shop in your area

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.

Discuss the causes and fixes for B3124 OBDII Code

Code B3124 comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play