B127C 2014 Chevrolet Silverado Code - Microphone 2 Input Signal Circuit
Quick Answer
The active noise cancellation system uses three microphones in the vehicle headliner: one above each front seating position, and one above the rear seat. Common causes include Faulty Radio Volume Compensator Interior Noise Microphone, Radio Volume Compensator Interior Noise Microphone harness is open or shorted, Radio Volume Compensator Interior Noise Microphone 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
- B127C 2014 Chevrolet Silverado indicates Microphone 2 Input Signal Circuit.
- Common causes
- Common causes include Faulty Radio Volume Compensator Interior Noise Microphone, Radio Volume Compensator Interior Noise Microphone harness is open or shorted, Radio Volume Compensator Interior Noise Microphone 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 B127C 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC B127C 2014 Chevrolet Silverado?
- Faulty Radio Volume Compensator Interior Noise Microphone
- Radio Volume Compensator Interior Noise Microphone harness is open or shorted
- Radio Volume Compensator Interior Noise Microphone circuit poor electrical connection
- Faulty Audio Amplifier
How to Fix the DTC B127C 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B127C 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 B127C 2014 Chevrolet Silverado code?
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Frequently Asked Questions about B127C 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B127C on a 2014 Chevrolet Silverado related to the Microphone 2 Input Signal Circuit?
The common symptoms include issues with the hands-free calling system, poor sound quality during calls, or complete loss of microphone function.
2. What can cause the OBDII code B127C to trigger on a 2014 Chevrolet Silverado?
The code B127C can be triggered by a faulty microphone, wiring issues in the microphone circuit, or a malfunction in the audio control module.
3. How can I diagnose the Microphone 2 Input Signal Circuit issue on my 2014 Chevrolet Silverado?
Diagnosing the issue involves checking the microphone for physical damage, inspecting the wiring for any breaks or loose connections, and using a diagnostic scanner to read the specific error codes.
4. Is it safe to continue driving my 2014 Chevrolet Silverado with the B127C code related to the Microphone 2 Input Signal Circuit?
While the vehicle may still be operable, it is recommended to address the issue promptly to ensure proper functionality of the hands-free calling system.
5. Can I repair the Microphone 2 Input Signal Circuit issue on my 2014 Chevrolet Silverado myself?
If you have experience with automotive electrical systems and access to the necessary tools, you may be able to repair the issue yourself. Otherwise, it is advisable to seek professional assistance.
6. Are there any temporary fixes or workarounds for the B127C code on a 2014 Chevrolet Silverado?
Temporary fixes such as resetting the audio system or unplugging and reconnecting the microphone may sometimes resolve the issue temporarily, but a proper diagnosis and repair are recommended for a lasting solution.
7. How much does it typically cost to repair the Microphone 2 Input Signal Circuit problem on a 2014 Chevrolet Silverado?
The cost of repair can vary depending on the root cause of the issue, but it may involve replacing the microphone, repairing or replacing damaged wiring, or reprogramming the audio control module.
8. Will resetting the OBDII codes clear the B127C code related to the Microphone 2 Input Signal Circuit on my 2014 Chevrolet Silverado?
Resetting the codes may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the fault again.
9. Can extreme temperatures or environmental conditions contribute to the B127C code on a 2014 Chevrolet Silverado?
Extreme temperatures or environmental conditions can potentially affect the performance of the microphone or the wiring, leading to the triggering of the B127C code.
10. How important is it to fix the Microphone 2 Input Signal Circuit issue on a 2014 Chevrolet Silverado?
Fixing the issue is important not only for the proper functioning of the hands-free calling system but also for overall convenience and safety while driving, as it ensures clear communication during calls.
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