AutoCodesChevrolet – B2476 2015 Chevrolet Silverado

B2476 2015 Chevrolet Silverado Code - Cellular Phone Select Service Switch

Quick Answer

The OnStar® button assembly consists of 3 buttons: Call/Answer, OnStar® Call Center, and OnStar® Emergency. Common causes include Faulty Inside Rearview Mirror, Inside Rearview Mirror harness is open or shorted, Inside Rearview Mirror 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
B2476 2015 Chevrolet Silverado indicates Cellular Phone Select Service Switch.
Common causes
Common causes include Faulty Inside Rearview Mirror, Inside Rearview Mirror harness is open or shorted, Inside Rearview Mirror 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 307
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 01, 2023
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Code B2476 2015 Chevrolet Silverado Description

The OnStar® button assembly consists of 3 buttons: Call/Answer, OnStar® Call Center, and OnStar® Emergency. The Telematics Communication Interface Control Module supplies the OnStar® button assembly with 10 V via the 10 V reference circuit. When pressed, each button completes the circuit across a resistor or set of resistors allowing a specific voltage to be returned to the Telematics Communication Interface Control Module over the signal circuit. Depending upon the voltage range returned, the Telematics Communication Interface Control Module is able to identify which button has been pressed. The Diagnostic Trouble Code (DTC) will be set when the Telematics Communication Interface Control Module detects a failure on the 10 V reference circuit.
OBDII Code B2476 2015 Chevrolet Silverado - Cellular Phone Select Service Switch - AutoCodes.com
B2476 2015 Chevrolet Silverado Code - Cellular Phone Select Service Switch

What are the Possible Causes of the DTC B2476 2015 Chevrolet Silverado?

  • Faulty Inside Rearview Mirror
  • Inside Rearview Mirror harness is open or shorted
  • Inside Rearview Mirror circuit poor electrical connection
  • Faulty Telematics Communication Interface Control Module

How to Fix the DTC B2476 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2476 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.

Need more information about the B2476 2015 Chevrolet Silverado code?

Need more information on how to fix the B2476 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 B2476 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B2476 on a 2015 Chevrolet Silverado?

- The common symptoms include issues with the cellular phone select service switch, such as difficulty connecting to the phone or the phone not working properly with the vehicle's system.

2. What does the cellular phone select service switch do in a 2015 Chevrolet Silverado?

- The cellular phone select service switch allows the vehicle to communicate with a paired mobile phone for hands-free calling, media streaming, and other phone-related functions.

3. What are the possible causes of OBDII code B2476 in a 2015 Chevrolet Silverado?

- Possible causes of this code include a malfunctioning cellular phone select service switch, wiring issues, software glitches, or a problem with the phone itself.

4. How can I troubleshoot and repair OBDII code B2476 on my 2015 Chevrolet Silverado?

- Start by checking the connections and wiring related to the cellular phone select service switch. Ensure that the switch is functioning properly and that the phone is compatible with the vehicle's system. Resetting the system or updating software may also help resolve the issue.

5. Can OBDII code B2476 on a 2015 Chevrolet Silverado be fixed without professional help?

- In some cases, simple troubleshooting steps like checking connections and updating software can resolve the issue. However, if the problem persists, it is recommended to seek professional help for a thorough diagnosis and repair.

6. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B2476?

- As long as the issue is related to the cellular phone select service switch and not affecting the vehicle's overall performance or safety systems, it is generally safe to continue driving. However, it is advisable to address the problem promptly to avoid any inconvenience or potential issues with phone connectivity.

7. Can a faulty cellular phone select service switch impact other vehicle systems in a 2015 Chevrolet Silverado?

- While the primary impact of a faulty switch is related to phone connectivity and related functions, it is possible that other systems relying on the switch for communication or data transfer may be affected indirectly.

8. Will replacing the cellular phone select service switch resolve OBDII code B2476 in a 2015 Chevrolet Silverado?

- Replacing the switch is a common solution for this code, especially if the issue lies within the switch itself. However, it is recommended to diagnose the problem accurately before replacing any components to ensure an effective repair.

9. How can I prevent OBDII code B2476 from reoccurring in my 2015 Chevrolet Silverado?

- Regularly updating software, ensuring proper phone compatibility, and maintaining the integrity of the wiring and connections related to the cellular phone select service switch can help prevent this code from reoccurring.

10. Is OBDII code B2476 specific to 2015 Chevrolet Silverado models, or can it occur in other vehicles?

- While this specific code may be unique to Chevrolet Silverado models, similar issues related to phone connectivity and communication systems can occur in other vehicles as well.

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