B124B 2018 Chevrolet Silverado Code - USB 1 Circuit
Quick Answer
The infotainment system has a USB port and an Auxiliary Audio Input Jack located in the center console. Common causes include Faulty USB Port, USB Port harness is open or shorted, USB Port circuit poor electrical connection. 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
- B124B 2018 Chevrolet Silverado indicates USB 1 Circuit.
- Common causes
- Common causes include Faulty USB Port, USB Port harness is open or shorted, USB Port circuit poor electrical connection.
- 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.
Code B124B 2018 Chevrolet Silverado Description
The internal hub device interfaces directly with the human-machine interface control module via a standard USB cable. A Mini type of USB connector is used to connect the human-machine interface control module and the USB receptacle. Standard USB male-to-female connections are typically used for connecting USB cables together where an in-line connection is required. An in-line cable connection is typically found between the console and the I/P harness.
The USB port allows connectivity to the infotainment system from portable media players or a USB storage device (memory stick/ flash drive). When a device is connected to the USB port, the system detects the device and switches to USB as the audio source. Once connected, the device can be controlled by the radio controls.
Not all portable media player devices or file types are compatible. Refer to the owner’s manual for information on USB devices, control, and operation.
What are the Possible Causes of the DTC B124B 2018 Chevrolet Silverado?
- Faulty USB Port
- USB Port harness is open or shorted
- USB Port circuit poor electrical connection
- Faulty Human Machine Interface Control Module (If equipped)
- Faulty Radio
How to Fix the DTC B124B 2018 Chevrolet Silverado?
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 B124B 2018 Chevrolet Silverado 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 B124B 2018 Chevrolet Silverado code?
Need more information on how to fix the B124B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about B124B 2018 Chevrolet Silverado Code
1. What does OBDII code B124B mean for a 2018 Chevrolet Silverado?
The B124B code specifically relates to the USB 1 Circuit in a 2018 Chevrolet Silverado's onboard diagnostics system.
2. What are the common symptoms of OBDII code B124B in a 2018 Chevrolet Silverado?
Common symptoms include issues with the USB port functionality, such as the port not charging devices or not recognizing connected devices.
3. What are the possible causes of OBDII code B124B in a 2018 Chevrolet Silverado?
Causes can range from a faulty USB port, damaged wiring, loose connections, a blown fuse, or issues with the vehicle's software.
4. How can I diagnose the OBDII code B124B in my 2018 Chevrolet Silverado?
Diagnosing the code may involve inspecting the USB port for physical damage, checking the wiring connections, testing the port with different devices, and using an OBDII scanner for further analysis.
5. Can I still drive my 2018 Chevrolet Silverado with the OBDII code B124B present?
In most cases, it is safe to drive the vehicle with this code, as it primarily affects the USB functionality and does not pose an immediate threat to the vehicle's operation.
6. How can I repair the OBDII code B124B in my 2018 Chevrolet Silverado?
Repair options may include replacing the USB port, repairing damaged wiring, securing loose connections, replacing a blown fuse if necessary, or updating the vehicle's software.
7. Is it possible to reset the OBDII code B124B in a 2018 Chevrolet Silverado without repairs?
While clearing the code with an OBDII scanner is possible, it is recommended to address the underlying issue first to prevent the code from reoccurring.
8. Are there any DIY tips for fixing the OBDII code B124B in a 2018 Chevrolet Silverado?
DIY enthusiasts can start by visually inspecting the USB port and its connections, checking for loose wires, and ensuring the fuse related to the USB circuit is intact before seeking professional help if needed.
9. Could extreme temperatures or environmental conditions trigger the OBDII code B124B in a 2018 Chevrolet Silverado?
Yes, exposure to extreme temperatures or environmental factors could potentially cause electrical issues leading to the B124B code, so it's essential to keep the vehicle protected when parked.
10. Does the OBDII code B124B affect the overall performance of a 2018 Chevrolet Silverado?
Since the code is related to the USB circuit, it typically does not impact the vehicle's core performance but can be inconvenient for using USB-connected devices.
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