B127A 2014 Chevrolet Silverado Code - Auxiliary Video Input Signal Circuit
Quick Answer
The rear seat entertainment system has an auxiliary input assembly that contains a USB port, an SD card reader, RCA-type audio/video jacks, and a wired headphone jack with volume control. Common causes include Faulty Audio/Video Input Adapter, Audio/Video Input Adapter harness is open or shorted, Audio/Video Input Adapter 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
- B127A 2014 Chevrolet Silverado indicates Auxiliary Video Input Signal Circuit.
- Common causes
- Common causes include Faulty Audio/Video Input Adapter, Audio/Video Input Adapter harness is open or shorted, Audio/Video Input Adapter 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 B127A 2014 Chevrolet Silverado Description
The USB port and SD card reader slot interface with a hub device, internal to the assembly. The assembly receives fused battery voltage and ground from the harness to power the internal hub device as well as provide additional amperage to power USB devices.
The internal hub device interfaces directly with the disc player via a standard USB cable. A Mini-type USB connector is used to connect the cable to the disc player and the auxiliary input assembly. Mini-type USB male-to-female connections are 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 rear seat entertainment system from portable media players or a USB storage device (memory stick/ flash drive). The rear seat entertainment uses the SD card reader as a mass storage device, like a USB storage device.
Once a supported device is connected to the USB port or SD card reader, the device may be sourced to one or both of the rear displays using the remote control.
What are the Possible Causes of the DTC B127A 2014 Chevrolet Silverado?
- Faulty Audio/Video Input Adapter
- Audio/Video Input Adapter harness is open or shorted
- Audio/Video Input Adapter circuit poor electrical connection
- Faulty Media Disc Player
How to Fix the DTC B127A 2014 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 B127A 2014 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 B127A 2014 Chevrolet Silverado code?
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Frequently Asked Questions about B127A 2014 Chevrolet Silverado Code
1. What are common symptoms of OBDII code B127A in a 2014 Chevrolet Silverado?
The common symptoms include a blank or frozen screen on the auxiliary video display, no video input signal detected, or the system not responding to video input commands.
2. What can cause the OBDII code B127A in a 2014 Chevrolet Silverado?
The code B127A is typically triggered by a fault in the auxiliary video input signal circuit, which may be caused by a damaged video input cable, a faulty video input module, or a loose connection.
3. How can I diagnose the issue related to OBDII code B127A in my 2014 Chevrolet Silverado?
You can begin by checking the connections of the video input cable and ensuring it is securely connected. If the connections are fine, you may need to inspect the video input module and test for any faults using a multimeter.
4. Can a DIY enthusiast repair the OBDII code B127A issue in a 2014 Chevrolet Silverado?
If you have experience working with automotive electrical systems and the necessary tools, you may be able to repair the issue yourself by identifying and fixing the fault in the auxiliary video input signal circuit.
5. Is it recommended to seek professional help for resolving the OBDII code B127A in a 2014 Chevrolet Silverado?
If you are unsure about diagnosing or repairing electrical issues in your vehicle, it is advisable to seek help from a qualified mechanic or technician who has the expertise and tools to properly address the problem.
6. Are there any temporary solutions to consider for the OBDII code B127A in a 2014 Chevrolet Silverado?
You may try resetting the vehicle's system by disconnecting the battery for a few minutes and then reconnecting it. This can sometimes clear temporary faults and reset the video input system.
7. What are the potential risks of ignoring the OBDII code B127A in a 2014 Chevrolet Silverado?
Ignoring the B127A code may lead to a loss of functionality of the auxiliary video input system in your vehicle, which can affect your entertainment options while driving.
8. Can extreme weather conditions affect the occurrence of OBDII code B127A in a 2014 Chevrolet Silverado?
Extreme temperature variations or exposure to moisture can potentially damage the video input components, leading to faults in the auxiliary video input signal circuit and triggering the B127A trouble code.
9. How long does it typically take to repair the OBDII code B127A issue in a 2014 Chevrolet Silverado?
The repair time for the B127A code can vary based on the exact cause of the fault. Simple fixes like reconnecting loose cables may take a short time, while more complex issues may require several hours to diagnose and repair.
10. Is the OBDII code B127A in a 2014 Chevrolet Silverado covered under any warranty?
If your vehicle is still under warranty, the repair for the B127A code may be covered depending on the terms of the warranty. It is advisable to check with your dealership or warranty provider for more information.
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