AutoCodes – GMC – B124F 2017 GMC Sierra

B124F 2017 GMC Sierra 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 2017 GMC Sierra 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 172

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 2017 GMC Sierra 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 2017 GMC Sierra - Universal Serial Bus Programming - AutoCodes.com — B124F 2017 GMC Sierra Code - Universal Serial Bus Programming

What does this mean?

What are the Possible Causes of the DTC B124F 2017 GMC Sierra?

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

How to Fix the DTC B124F 2017 GMC Sierra?

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 2017 GMC Sierra 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 2017 GMC Sierra code?

Need more information on how to fix the B124F 2017 GMC Sierra code? Get Access to Factory Service Manuals

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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 B124F 2017 GMC Sierra Code

1. What does the OBDII code B124F mean on a 2017 GMC Sierra?

The B124F code indicates a fault related to the Universal Serial Bus (USB) programming module, often involving communication or functionality issues with the USB system.

2. What are the common symptoms of the B124F code in a 2017 GMC Sierra?

Symptoms may include the USB port not recognizing devices, inability to play media, or charging issues when connecting devices.

3. What causes the B124F code to appear?

Common causes include a malfunctioning USB port, damaged wiring or connections, software issues in the infotainment system, or a faulty USB module.

4. How can I diagnose the B124F code on my GMC Sierra?

Start by checking for visible damage to the USB port, inspecting wiring and connectors, and using a diagnostic scan tool to verify the fault and check for related codes.

5. Can a software update fix the B124F code?

Yes, in some cases, updating the vehicleâ€™s infotainment system software can resolve the issue if the problem is caused by outdated or corrupted programming.

6. Is the USB module the most likely part to replace for the B124F code?

Not always. While the USB module could be faulty, the issue might also stem from wiring or software, so thorough diagnostics are necessary before replacing parts.

7. Can I still use my USB port with the B124F code active?

It depends on the severity of the fault. In most cases, the USB port may not function properly until the issue is resolved.

8. How much does it cost to repair a B124F code on a 2017 GMC Sierra?

Repair costs vary but can range from $50â€“$150 for diagnostics and minor repairs, while replacing a USB module or wiring may cost $200â€“$500 or more.

9. Can I clear the B124F code without fixing the issue?

Clearing the code without addressing the root cause may result in the code returning, as the fault will still exist.

10. Should I take my GMC Sierra to the dealership for the B124F code?

If you're unable to diagnose or repair the issue yourself, taking it to a dealership or a qualified mechanic is recommended for proper diagnostics and repair.