B1055 2016 GMC Sierra Code - Right Rear Door Audio Output 4 Circuit
Quick Answer
The B1055 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically refers to a fault in the Right Rear Door Audio Output 4 Circuit. Common causes include Faulty audio amplifier in the right rear door, Damaged wiring or connectors in the audio output circuit, Malfunctioning speaker in the right rear door. 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
- B1055 2016 GMC Sierra indicates Right Rear Door Audio Output 4 Circuit.
- Common causes
- Common causes include Faulty audio amplifier in the right rear door, Damaged wiring or connectors in the audio output circuit, Malfunctioning speaker in the right rear door.
- 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 B1055 2016 GMC Sierra Description
The B1055 diagnostic trouble code (DTC) for a 2016 GMC Sierra specifically refers to a fault in the Right Rear Door Audio Output 4 Circuit. This code indicates that there is an issue with the audio system in the right rear door of the vehicle. The audio output circuit is responsible for transmitting sound signals from the audio system to the speakers in the right rear door. When this circuit malfunctions, it can result in a loss of sound or poor audio quality from the speakers in that particular door.
Common Causes of B1055 2016 GMC Sierra
- Faulty audio amplifier in the right rear door
- Damaged wiring or connectors in the audio output circuit
- Malfunctioning speaker in the right rear door
- Issue with the audio control module
Symptoms of B1055 2016 GMC Sierra
- Loss of sound from the right rear speaker
- Distorted or poor audio quality from the right rear speaker
- Audio cutting in and out intermittently from the right rear speaker
- No sound output at all from the right rear speaker
How to Fix B1055 2016 GMC Sierra
- Begin by inspecting the wiring and connectors in the audio output circuit for any visible damage or corrosion. Repair or replace any damaged components.
- Test the speaker in the right rear door to determine if it is functioning correctly. Replace the speaker if necessary.
- Check the audio amplifier in the right rear door for any faults or malfunctions. Replace the amplifier if it is found to be defective.
- If the issue persists, diagnose the audio control module for any faults and replace it if needed.
- After completing the repairs, clear the DTC and test the audio system to ensure that the issue has been resolved.
Cost to Fix B1055 2016 GMC Sierra
The typical repair costs for addressing the B1055 code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as a new speaker or audio amplifier can range from $50 to $200 or more. Labor costs at an auto repair shop can add an additional $100 to $300 or more, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for resolving this issue could range from $150 to $500 or more. It is recommended to obtain a detailed estimate from a qualified mechanic or dealership to get an accurate cost for the repair.
Tech Notes for B1055 2016 GMC Sierra
B1055:02 Right Rear Door Audio Output 4 Circuit Short to Ground
B1055:04 Right Rear Door Audio Output 4 Circuit Open
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Frequently Asked Questions about B1055 2016 GMC Sierra Code
1. What does the OBDII code B1055 mean on a 2016 GMC Sierra?
B1055 refers to a fault in the Right Rear Door Audio Output 4 Circuit, indicating an issue with the audio signal to the right rear door speaker.
2. What are the common symptoms of code B1055 on a 2016 GMC Sierra?
Symptoms include no sound or distorted audio from the right rear door speaker.
3. What causes the B1055 code on a 2016 GMC Sierra?
Common causes are a faulty speaker, damaged wiring, loose connectors, or a malfunctioning amplifier.
4. Can a blown speaker trigger the B1055 code?
Yes, a blown or faulty speaker in the right rear door can disrupt the circuit and trigger this code.
5. How can I diagnose the B1055 code on my GMC Sierra?
Inspect the wiring and connections to the right rear door speaker, test the speaker for continuity, and check the audio amplifier for functionality.
6. Is the B1055 code serious?
It’s not critical for vehicle operation but affects audio system functionality and should be addressed to restore proper sound.
7. Can I fix the B1055 code myself?
If you’re comfortable with basic electrical repairs, you can check and replace the speaker or repair damaged wiring. Otherwise, consult a professional.
8. How much does it cost to repair the B1055 code on a 2016 GMC Sierra?
Repair costs vary but typically range from $50 to $150 for a replacement speaker or wiring repair. Amplifier replacement may cost significantly more.
9. Can a software issue cause the B1055 code?
While rare, a software glitch in the audio system or amplifier could potentially cause this code.
10. Will clearing the B1055 code fix the issue?
Clearing the code without repairing the underlying issue will not fix the problem. The code will likely return.
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