B2455 2016 GMC Sierra 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 2016 GMC Sierra 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.
Code B2455 2016 GMC Sierra Description
What are the Possible Causes of the DTC B2455 2016 GMC Sierra?
- 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 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 B2455 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.
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Frequently Asked Questions about B2455 2016 GMC Sierra Code
1. What does the OBDII code B2455 mean on a 2016 GMC Sierra?
B2455 indicates an issue with the Cellular Phone Microphone Circuit, typically related to a fault in the microphone's wiring, connection, or components.
2. What are the common symptoms of the B2455 code in a 2016 GMC Sierra?
Symptoms include no audio input from the microphone during phone calls, voice commands not being recognized, or errors in the infotainment system.
3. What causes the B2455 code to appear in a 2016 GMC Sierra?
Common causes include a faulty microphone, damaged wiring or connectors, a malfunctioning infotainment module, or software glitches in the system.
4. Can I still drive my 2016 GMC Sierra with the B2455 code?
Yes, the vehicle is still drivable, but functions like hands-free calling and voice commands may not work properly.
5. How do I diagnose the B2455 code in a 2016 GMC Sierra?
Diagnosis involves checking the microphone's wiring and connections, testing the microphone itself, and possibly scanning the infotainment module for additional faults.
6. How do I fix the B2455 code in a 2016 GMC Sierra?
Repairs may include replacing the microphone, repairing damaged wiring or connectors, or updating/reprogramming the infotainment system.
7. Can a software update fix the B2455 code in a 2016 GMC Sierra?
Yes, in some cases, a software update for the infotainment system can resolve the issue if it is caused by a software glitch.
8. How much does it cost to fix the B2455 code on a 2016 GMC Sierra?
The repair cost depends on the issue, ranging from $50 to $200 for wiring repairs or microphone replacement, and higher if the infotainment module needs replacement or reprogramming.
9. Can I fix the B2455 code in my 2016 GMC Sierra myself?
If you're comfortable working with automotive wiring, you can inspect and repair the connections or replace the microphone. For more complex issues, professional help is recommended.
10. Will clearing the B2455 code resolve the issue permanently?
Clearing the code may provide a temporary fix, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for B2455 2016 GMC Sierra OBDII Code
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