AutoCodes – GMC – B124F GMC

B124F GMC 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 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: B124F GMC 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: 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 993

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 Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B124F GMC 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 GMC - Universal Serial Bus Programming - AutoCodes.com — B124F GMC Code - Universal Serial Bus Programming

What does this mean?

What are the Possible Causes of the DTC B124F GMC?

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

How to Fix the DTC B124F GMC?

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 GMC 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 GMC code?

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Need Help with the Code?

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Information for Specific GMC Models

B124F 2014 GMC Sierra — Universal Serial Bus Programming
B124F 2015 GMC Sierra — Universal Serial Bus Programming
B124F 2016 GMC Sierra — Universal Serial Bus Programming
B124F 2017 GMC Sierra — Universal Serial Bus Programming
B124F 2018 GMC Sierra — 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 GMC Code

1. What does OBDII code B124F GMC indicate?

Code B124F GMC refers to a Universal Serial Bus (USB) programming fault, typically related to communication issues within the vehicle's USB system.

2. What are some common symptoms of OBDII code B124F GMC?

Common symptoms include malfunctioning USB ports, inability to connect devices via USB, and error messages related to the USB system on the vehicle's display.

3. What are the possible causes of OBDII code B124F GMC?

Potential causes may include faulty USB cables, loose connections, damaged USB ports, software issues, or a malfunctioning USB control module.

4. How can I diagnose OBDII code B124F GMC?

Diagnosing this code may involve checking the USB connections, inspecting the USB ports for damage, scanning the vehicle's computer system for related error codes, and performing a software update if necessary.

5. How can I repair OBDII code B124F GMC?

Repair methods may include replacing damaged USB cables, ensuring all connections are secure, replacing faulty USB ports, updating the vehicle's software, or seeking professional assistance for further diagnosis and repair.

6. Can OBDII code B124F GMC be cleared with a simple reset?

In some cases, clearing the code by disconnecting the vehicle's battery for a few minutes may temporarily reset the system. However, if the underlying issue is not addressed, the code is likely to reappear.

7. Is it safe to continue driving with OBDII code B124F GMC present?

While the vehicle may still be operational with this code, it is recommended to address the issue promptly to prevent any potential long-term damage to the USB system or related components.

8. Can a DIY enthusiast fix OBDII code B124F GMC at home?

Depending on the root cause of the code, some DIY repairs such as checking connections and replacing USB cables can be attempted at home. However, more complex issues may require professional diagnosis and repair.

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

It's advisable to check with the vehicle manufacturer or authorized service centers to see if there are any recalls or technical bulletins addressing this specific OBDII code for your GMC model.

10. How can I prevent OBDII code B124F GMC from occurring in the future?

Regularly inspecting and maintaining the vehicle's USB system, using high-quality USB cables, avoiding physical damage to USB ports, and keeping software up to date can help prevent issues leading to code B124F GMC.