Engine-CodesChevrolet – B124C 2016 Chevrolet Silverado

B124C 2016 Chevrolet Silverado Code - USB 2 Circuit

Quick Answer

The B124C diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado relates to the USB 2 circuit. Common causes include Faulty USB 2 port, Damaged wiring or connectors in the USB 2 circuit, Issues with the vehicle's infotainment system software. 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
B124C 2016 Chevrolet Silverado indicates USB 2 Circuit.
Common causes
Common causes include Faulty USB 2 port, Damaged wiring or connectors in the USB 2 circuit, Issues with the vehicle's infotainment system software.
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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B124C 2016 Chevrolet Silverado Description

The B124C diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado relates to the USB 2 circuit. This code indicates a problem with the USB 2 port in the vehicle, which is commonly used for connecting external devices such as smartphones, MP3 players, or USB drives to the vehicle's infotainment system. When this code is triggered, it means that there is an issue with the circuit that controls the USB 2 port, potentially leading to a loss of functionality for the port.

OBDII Code B124C 2016 Chevrolet Silverado - USB 2 Circuit
B124C 2016 Chevrolet Silverado Code - USB 2 Circuit

Common Causes of B124C 2016 Chevrolet Silverado

  1. Faulty USB 2 port
  2. Damaged wiring or connectors in the USB 2 circuit
  3. Issues with the vehicle's infotainment system software
  4. Water or moisture damage to the USB 2 port
  5. Electrical issues in the vehicle's system affecting the USB 2 circuit

Symptoms of B124C 2016 Chevrolet Silverado

  1. USB 2 port not recognizing connected devices
  2. Inability to play music from connected devices through the infotainment system
  3. Error messages related to the USB 2 port on the vehicle's display screen
  4. Intermittent connectivity issues with devices connected to the USB 2 port

How to Fix B124C 2016 Chevrolet Silverado

  1. Begin by inspecting the USB 2 port for any visible damage or signs of water/moisture intrusion.
  2. Check the wiring and connectors associated with the USB 2 circuit for any breaks, corrosion, or loose connections.
  3. Use a diagnostic tool to scan for any software-related issues with the vehicle's infotainment system and perform any necessary updates or resets.
  4. If no visible issues are found, consider testing the USB 2 circuit for continuity and voltage to pinpoint the source of the problem.
  5. Replace any faulty components, such as the USB 2 port, wiring, or connectors, and ensure proper installation and connection.

Cost to Fix B124C 2016 Chevrolet Silverado

The typical repair costs for addressing the B124C code related to the USB 2 circuit in a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing a faulty USB 2 port or repairing damaged wiring/connectors may cost between $100 to $300, including parts and labor. However, if the issue is more complex and requires software updates or diagnostic testing, the repair costs could range from $200 to $500 or more.

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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 B124C 2016 Chevrolet Silverado Code

1. What does OBDII code B124C for a 2016 Chevrolet Silverado USB 2 Circuit mean?

The code B124C indicates a problem with the USB 2 circuit in a 2016 Chevrolet Silverado.

2. What are common symptoms of OBDII code B124C in a 2016 Chevrolet Silverado?

Common symptoms include the USB port not working, issues with connecting devices, and error messages related to the USB system.

3. What are possible causes of OBDII code B124C in a 2016 Chevrolet Silverado?

Potential causes include a faulty USB port, damaged wiring, a blown fuse, or a problem with the USB module.

4. How can I diagnose the OBDII code B124C in a 2016 Chevrolet Silverado?

Diagnosing the code may involve checking the USB port for physical damage, inspecting the wiring for any breaks or shorts, and using a diagnostic tool to scan the USB system for faults.

5. Can I repair OBDII code B124C in a 2016 Chevrolet Silverado myself?

Depending on the exact cause, you may be able to repair the issue yourself by replacing a faulty USB port, fixing damaged wiring, or replacing a blown fuse. However, more complex issues may require professional help.

6. Are there any simple troubleshooting steps I can take for OBDII code B124C in a 2016 Chevrolet Silverado?

You can start by checking if other USB ports in the vehicle are working, ensuring the connected device is functioning properly, and inspecting the USB cable for any visible damage.

7. Is it safe to continue driving with OBDII code B124C in a 2016 Chevrolet Silverado?

While the code B124C may not directly affect the drivability of the vehicle, it's recommended to address the issue promptly to avoid potential problems with the USB system and connected devices.

8. How much does it typically cost to repair OBDII code B124C in a 2016 Chevrolet Silverado?

The cost of repair can vary depending on the exact cause of the issue. Simple fixes like replacing a fuse or a faulty USB port may be relatively inexpensive, while more complex repairs could cost more.

9. Will resetting the OBDII code B124C in a 2016 Chevrolet Silverado make the problem go away?

Resetting the code may temporarily clear the error, but if the underlying issue such as a faulty USB port or wiring problem is not addressed, the code is likely to reappear.

10. Can a dealership or auto repair shop help diagnose and repair OBDII code B124C in a 2016 Chevrolet Silverado?

Yes, a dealership or auto repair shop with experience in Chevrolet vehicles can diagnose the code accurately using specialized tools and repair the USB 2 circuit issue effectively.

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