AutoCodes – Buick – B2455 Buick

B2455 Buick Code - Cellular Phone Microphone Circuit

Quick Answer

The Telematics Communication Interface Control Module provides the Cellular Phone Microphone with a supplied voltage on the Cellular Phone Microphone signal circuit. Common causes include Faulty Cellular Phone Microphone, Cellular Phone Microphone harness is open or shorted, Cellular Phone Microphone 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
B2455 Buick indicates Cellular Phone Microphone Circuit.
Common causes
Common causes include Faulty Cellular Phone Microphone, Cellular Phone Microphone harness is open or shorted, Cellular Phone Microphone 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 1,920
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2023
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Code B2455 Buick Description

The Telematics Communication Interface Control Module provides the Cellular Phone Microphone with a supplied voltage on the Cellular Phone Microphone signal circuit. When the microphone is in use, voice data from the user is sent back to the Telematics Communication Interface Control Module on the cellular microphone low reference circuit. The Diagnostic Trouble Code (DTC) will be set when the Telematics Communication Interface Control Module detects a Cellular Phone Microphone Circuit failure.
OBDII Code B2455 Buick - Cellular Phone Microphone Circuit - AutoCodes.com
B2455 Buick Code - Cellular Phone Microphone Circuit

What are the Possible Causes of the DTC B2455 Buick?

  • Faulty Cellular Phone Microphone
  • Cellular Phone Microphone harness is open or shorted
  • Cellular Phone Microphone circuit poor electrical connection
  • Faulty Telematics Communication Interface Control Module

How to Fix the DTC B2455 Buick?

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 B2455 Buick 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 B2455 Buick code?

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Need Help with the Code?

Get the B2455 Buick 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 B2455 Buick Code

1. What are common symptoms of OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Common symptoms include malfunctioning hands-free calling features, degraded voice quality during phone calls, and issues with voice command recognition.

2. What are possible causes of OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Possible causes include a faulty cellular phone microphone, damaged wiring or connectors in the microphone circuit, or issues with the hands-free calling system module.

3. How can I diagnose OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Diagnosis typically involves inspecting the cellular phone microphone for physical damage, checking the wiring and connectors for any issues, and using diagnostic tools to test the hands-free calling system module.

4. Can I repair OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit on my own?

- Depending on the cause of the code, repairs may range from simply replacing the cellular phone microphone to more complex tasks like repairing or replacing damaged wiring. It is recommended to consult a professional if you are unsure.

5. Are there any troubleshooting tips for OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Before replacing any components, try resetting the hands-free calling system by disconnecting the car battery for a few minutes. This may sometimes resolve the issue if it was caused by a temporary glitch.

6. What is the potential risk of ignoring OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Ignoring the code may result in continued issues with hands-free calling features, degraded voice quality during phone calls, and potential safety concerns if the microphone circuit is not functioning properly.

7. Can environmental factors affect OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- Yes, extreme temperatures or moisture exposure can sometimes cause issues with the cellular phone microphone or the wiring in the microphone circuit, leading to the triggering of this OBDII code.

8. Is OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit a common issue?

- While not as common as some other OBDII codes, issues with the cellular phone microphone circuit can occur in Buick vehicles equipped with hands-free calling systems, leading to the triggering of this specific code.

9. Can I prevent OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit from occurring?

- Regularly inspecting the condition of the cellular phone microphone, avoiding physical damage to the microphone or its wiring, and ensuring proper maintenance of the hands-free calling system can help prevent this code from being triggered.

10. How much does it typically cost to repair OBDII code B2455 in a Buick related to the Cellular Phone Microphone Circuit?

- The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing the microphone may cost less, while more complex repairs involving wiring or module replacements can be more expensive.

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