B127A 2017 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 2017 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 2017 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 2017 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 2017 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 2017 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 2017 Chevrolet Silverado code?
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Frequently Asked Questions about B127A 2017 Chevrolet Silverado Code
1. What does the OBDII code B127A for a 2017 Chevrolet Silverado mean?
The code B127A indicates an issue with the Auxiliary Video Input Signal Circuit in the vehicle.
2. What are common symptoms of the B127A code in a 2017 Chevrolet Silverado?
Common symptoms of the B127A code may include a malfunctioning auxiliary video input system, a blank or distorted video display, or no video signal being detected.
3. What are possible causes of the B127A code in a 2017 Chevrolet Silverado?
Possible causes of the B127A code include a faulty video input module, damaged wiring or connectors in the video input circuit, or a malfunctioning display unit.
4. How can I diagnose the B127A code in a 2017 Chevrolet Silverado?
Diagnosing the B127A code may involve checking the connections and wiring in the video input circuit, testing the video input module for proper functionality, and inspecting the display unit for any issues.
5. Can I repair the B127A code in a 2017 Chevrolet Silverado myself?
Depending on your level of expertise, you may be able to repair the B127A code yourself by addressing any faulty wiring or connectors, replacing the video input module if necessary, or seeking professional help for more complex repairs.
6. Will driving with the B127A code illuminated harm my 2017 Chevrolet Silverado?
Driving with the B127A code illuminated may not directly harm your vehicle, but it can affect the functionality of the auxiliary video input system and potentially lead to further issues if left unresolved.
7. How much does it typically cost to repair the B127A code in a 2017 Chevrolet Silverado?
The cost of repairing the B127A code can vary depending on the specific cause of the issue, the parts needed for repair, and whether you choose to do the repairs yourself or seek professional assistance.
8. Is the B127A code a common issue in 2017 Chevrolet Silverado vehicles?
The B127A code related to the Auxiliary Video Input Signal Circuit may not be a common issue, but it can occur in 2017 Chevrolet Silverado vehicles due to various factors affecting the video input system.
9. Are there any recalls or technical service bulletins related to the B127A code in 2017 Chevrolet Silverado models?
It is recommended to check with Chevrolet dealerships or online resources for any recalls or technical service bulletins related to the B127A code in 2017 Chevrolet Silverado models to stay informed about potential manufacturer-acknowledged issues.
10. Can resetting the OBDII system clear the B127A code in a 2017 Chevrolet Silverado?
Resetting the OBDII system may temporarily clear the B127A code, but if the underlying issue causing the code is not addressed, the code is likely to reappear. It's essential to diagnose and repair the root cause of the code to prevent it from returning.
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