B127A 2015 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 2015 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 2015 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 2015 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 2015 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 2015 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.
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Frequently Asked Questions about B127A 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B127A in a 2015 Chevrolet Silverado related to the Auxiliary Video Input Signal Circuit?
- The common symptoms include a blank or distorted video display on the screen, loss of video feed from auxiliary devices, or no response when trying to select the video source.
2. What are the possible causes of OBDII code B127A in a 2015 Chevrolet Silverado?
- The code B127A can be triggered by issues such as a faulty auxiliary input module, damaged wiring or connectors in the video input circuit, or a malfunctioning display unit.
3. How can I diagnose the Auxiliary Video Input Signal Circuit issue in my 2015 Chevrolet Silverado?
- You can start by checking the connections and wiring related to the auxiliary video input, inspecting the auxiliary input module for any visible damage, and using a diagnostic tool to scan for trouble codes.
4. What are some tips for repairing the Auxiliary Video Input Signal Circuit problem in a 2015 Chevrolet Silverado?
- Repairing the issue may involve repairing or replacing damaged wiring or connectors, resetting the video input settings, replacing the auxiliary input module if necessary, or seeking professional help for advanced diagnostics.
5. Can a DIY enthusiast fix the OBDII code B127A related to the Auxiliary Video Input Signal Circuit in a 2015 Chevrolet Silverado?
- Depending on the specific cause of the issue, some simple repairs like checking and reconnecting loose wires may be possible for a DIY enthusiast. However, complex issues may require professional diagnosis and repair.
6. Is it safe to continue driving my 2015 Chevrolet Silverado with the B127A OBDII code for the Auxiliary Video Input Signal Circuit?
- While the code B127A is related to the auxiliary video input and may not affect the vehicle's drivability, it is recommended to address the issue promptly to avoid any potential electrical problems in the future.
7. How do I reset the OBDII code B127A in my 2015 Chevrolet Silverado after repairing the Auxiliary Video Input Signal Circuit?
- After resolving the issue with the Auxiliary Video Input Signal Circuit, you can reset the OBDII code B127A using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.
8. Can extreme weather conditions impact the occurrence of OBDII code B127A in a 2015 Chevrolet Silverado?
- Extreme weather conditions can potentially affect the electrical components related to the auxiliary video input, leading to issues like code B127A. Ensuring proper insulation and protection for these components can help prevent weather-related problems.
9. How can I prevent the recurrence of OBDII code B127A in my 2015 Chevrolet Silverado after repairing the Auxiliary Video Input Signal Circuit?
- To prevent the code B127A from reoccurring, regularly inspect and maintain the auxiliary video input components, ensure proper connections and wiring integrity, and avoid exposing the vehicle to conditions that may damage the video input circuit.
10. Are there any software updates or recalls related to OBDII code B127A for the Auxiliary Video Input Signal Circuit in a 2015 Chevrolet Silverado?
- It is recommended to check with a Chevrolet dealership or the manufacturer's website for any software updates or recalls that may address the OBDII code B127A in relation to the Auxiliary Video Input Signal Circuit in your 2015 Chevrolet Silverado.
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