AutoCodes – Generic – B124F

B124F Code - Universal Serial Bus Programming

Quick Answer

Certain devices in the entertainment system must be programmed with specific software and other information to operate correctly. Common causes include Program the device that set the DTC, Faulty Instrument Cluster (If DTC is set in Instrument Cluster). 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: B124F indicates Universal Serial Bus Programming.
Common causes: Common causes include Program the device that set the DTC, Faulty Instrument Cluster (If DTC is set in Instrument Cluster).
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.

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Code Popularity 1,617

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B124F Description

Certain devices in the entertainment system must be programmed with specific software and other information to operate correctly. This Diagnostic Trouble Code (DTC) is the result of an unsuccessful Universal Serial Bus (USB) programming event for the device. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved

OBDII Code B124F - Universal Serial Bus Programming - AutoCodes.com — B124F Code - Universal Serial Bus Programming

What does this mean?

What are the Possible Causes of the DTC B124F?

Program the device that set the DTC
Faulty Instrument Cluster (If DTC is set in Instrument Cluster)

How to Fix the DTC B124F?

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 B124F 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 B124F code?

Need more information on how to fix the B124F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B124F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B124F Buick — Universal Serial Bus Programming
B124F Cadillac — Universal Serial Bus Programming
B124F Chevrolet — Universal Serial Bus Programming
B124F GMC — Universal Serial Bus Programming

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 B124F Code

1. What does OBDII code B124F indicate?

The code B124F refers to a Universal Serial Bus (USB) programming fault in the vehicle's system.

2. What are some common symptoms of code B124F?

Common symptoms of code B124F may include issues with USB connectivity in the vehicle, malfunctioning infotainment systems, or problems with USB device recognition.

3. What are the potential causes of OBDII code B124F?

Potential causes of code B124F can include faulty USB ports, damaged USB cables, issues with the vehicle's software programming, or a malfunctioning USB controller module.

4. How can I diagnose code B124F?

Diagnosing code B124F typically involves checking the USB connections, inspecting the USB ports for damage, testing different USB devices, and using a diagnostic scanner to read the code and gather more information.

5. What are some repair tips for fixing code B124F?

Repair tips for addressing code B124F may include replacing damaged USB cables, repairing or replacing faulty USB ports, updating the vehicle's software, or resetting the USB controller module.

6. Can code B124F be fixed at home, or do I need professional help?

Depending on the cause of code B124F, it may be possible to fix it at home by checking and replacing USB components. However, for more complex issues like software programming or module replacements, professional help may be required.

7. Is code B124F a serious issue that needs immediate attention?

Code B124F is typically not a critical issue affecting the vehicle's drivability or safety. However, if the USB functionality is essential for your vehicle's systems, it is advisable to address the problem promptly.

8. Can ignoring OBDII code B124F cause further damage to the vehicle?

Ignoring code B124F may not cause immediate damage to the vehicle, but it can lead to inconvenience due to malfunctioning USB features or potential issues with software connectivity over time.

9. How can I prevent OBDII code B124F from recurring?

To prevent code B124F from recurring, it is essential to use high-quality USB cables, avoid overloading the USB ports, keep them clean and free from debris, and regularly update the vehicle's software.

10. Are there any recalls or technical service bulletins related to OBDII code B124F?

Check with your vehicle manufacturer or authorized service center for any recalls or technical service bulletins related to OBDII code B124F, as they may provide specific solutions or updates for this issue.