AutoCodesGMC – B2485 2016 GMC Sierra

B2485 2016 GMC Sierra Code - Wireless Communication Antenna Circuit

Quick Answer

Bluetooth® wireless technology is a short-range communications technology intended to replace the cables connecting portable and/or fixed devices while maintaining high levels of security. Common causes include Faulty Bluetooth® Wireless Communication Antenna, Bluetooth® Wireless Communication Antenna harness is open or shorted, Bluetooth® Wireless Communication Antenna circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B2485 2016 GMC Sierra indicates Wireless Communication Antenna Circuit.
Common causes
Common causes include Faulty Bluetooth® Wireless Communication Antenna, Bluetooth® Wireless Communication Antenna harness is open or shorted, Bluetooth® Wireless Communication Antenna circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 333
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 24, 2023
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Code B2485 2016 GMC Sierra Description

Bluetooth® wireless technology is a short-range communications technology intended to replace the cables connecting portable and/or fixed devices while maintaining high levels of security. The operating range of the signal is approximately 30 feet. The Bluetooth® antenna is a small, fixed antenna connected directly to the telematics communication interface control module and is used to send and receive signals from a Bluetooth® enabled cellular phone. The Diagnostic Trouble Code (DTC) will be set if the signal voltage is less than 1 V or greater than 2 V for 500 ms.
OBDII Code B2485 2016 GMC Sierra - Wireless Communication Antenna Circuit - AutoCodes.com
B2485 2016 GMC Sierra Code - Wireless Communication Antenna Circuit

What are the Possible Causes of the DTC B2485 2016 GMC Sierra?

  • Faulty Bluetooth® Wireless Communication Antenna
  • Bluetooth® Wireless Communication Antenna harness is open or shorted
  • Bluetooth® Wireless Communication Antenna circuit poor electrical connection

How to Fix the DTC B2485 2016 GMC Sierra?

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 B2485 2016 GMC Sierra 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 B2485 2016 GMC Sierra code?

Need more information on how to fix the B2485 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2485 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2485 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code B2485 in a 2016 GMC Sierra related to the Wireless Communication Antenna Circuit?

The common symptoms include issues with wireless communication systems such as Bluetooth or Wi-Fi not functioning properly, loss of signal, or poor reception.

2. What are the possible causes of OBDII code B2485 in a 2016 GMC Sierra?

Possible causes include a faulty wireless communication antenna, damaged wiring in the antenna circuit, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code B2485 in my 2016 GMC Sierra?

Diagnosing the issue involves inspecting the wireless communication antenna for physical damage, checking the wiring for any breaks or shorts, and using a diagnostic scan tool to pinpoint the exact cause.

4. Can I repair OBDII code B2485 in my 2016 GMC Sierra myself?

Depending on your level of expertise, you may be able to repair the issue yourself by replacing the faulty antenna or repairing any damaged wiring. However, it's recommended to consult a professional if you're unsure.

5. Is it safe to continue driving my 2016 GMC Sierra with OBDII code B2485 present?

While the vehicle may still be operational with this code, it's best to address the issue promptly to prevent any potential loss of communication with vital systems or features.

6. How much does it typically cost to repair OBDII code B2485 in a 2016 GMC Sierra?

The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the antenna, repairing wiring, or reprogramming the control module. Costs can range from a few hundred to over a thousand dollars.

7. Can OBDII code B2485 in a 2016 GMC Sierra cause other issues if left unresolved?

Leaving this code unresolved can potentially lead to further communication problems within the vehicle's systems, affecting features like hands-free calling, GPS navigation, and other wireless functionalities.

8. Are there any preventive measures I can take to avoid OBDII code B2485 in my 2016 GMC Sierra?

Regularly inspecting the condition of the wireless communication antenna and its wiring, as well as addressing any issues promptly, can help prevent the occurrence of this code.

9. How long does it typically take to repair OBDII code B2485 in a 2016 GMC Sierra?

The repair time can vary based on the exact cause of the issue and the complexity of the repair needed. It may take anywhere from a few hours to a full day at the repair shop.

10. Can a faulty wireless communication antenna impact other electronic systems in my 2016 GMC Sierra?

Yes, a faulty antenna can affect various electronic systems that rely on wireless communication, potentially leading to issues with connectivity, signal strength, and overall system performance.

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