AutoCodesGMC – B2485 GMC

B2485 GMC 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 GMC 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 246
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 GMC 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 GMC - Wireless Communication Antenna Circuit - AutoCodes.com
B2485 GMC Code - Wireless Communication Antenna Circuit

What are the Possible Causes of the DTC B2485 GMC?

  • 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 GMC?

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 GMC 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 GMC code?

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Need Help with the Code?

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

Information for Specific GMC Models

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 GMC Code

1. What are common symptoms of OBDII code B2485 GMC (Wireless Communication Antenna Circuit)?

- Common symptoms include issues with the wireless communication system, loss of signal, and potential problems with remote keyless entry.

2. What are possible causes of code B2485 in a GMC vehicle?

- Causes may include a faulty wireless communication antenna, wiring issues, loose connections, or a malfunctioning control module.

3. How can I diagnose the Wireless Communication Antenna Circuit problem related to code B2485 in my GMC vehicle?

- Use a diagnostic scanner to read the trouble code, inspect the antenna and wiring for damage, check connections, and perform a signal strength test.

4. Can I repair the Wireless Communication Antenna Circuit issue myself?

- Depending on your skill level, you may be able to repair it by replacing the antenna, fixing wiring problems, or addressing loose connections. Otherwise, seek professional help.

5. What are the recommended steps for repairing OBDII code B2485 in a GMC vehicle?

- Start by checking and repairing any damaged wiring or connections, then replace the wireless communication antenna if necessary. Clear the code and test the system.

6. Will code B2485 GMC prevent my vehicle from starting?

- Generally, this code should not prevent the vehicle from starting, but it may affect the functionality of the wireless communication system and remote keyless entry.

7. Are there any safety concerns associated with OBDII code B2485 GMC?

- While the code itself may not present immediate safety risks, issues with the wireless communication system could impact remote access to the vehicle and its security features.

8. How do I reset the OBDII code B2485 in a GMC vehicle after making repairs?

- Use a diagnostic scanner to clear the code after addressing the underlying issue with the Wireless Communication Antenna Circuit. This will reset the system.

9. Can a weak car battery cause OBDII code B2485 to appear in a GMC vehicle?

- A weak car battery could potentially cause communication issues that trigger this code. Ensure your battery is in good condition and fully charged.

10. What should I do if OBDII code B2485 keeps reappearing in my GMC vehicle after repairs?

- If the code keeps coming back, recheck all repairs, ensure proper installation of components, and consider seeking help from a professional technician for further diagnosis.

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