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B1035 2015 GMC Sierra Code - Right Front Door Audio Output 2 Circuit

Quick Answer

The B1035 diagnostic trouble code for a 2015 GMC Sierra specifically refers to an issue with the Right Front Door Audio Output 2 Circuit. Common causes include Damaged wiring or connectors in the audio output circuit, Faulty speaker in the right front door, Malfunctioning head unit. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1035 2015 GMC Sierra indicates Right Front Door Audio Output 2 Circuit.
Common causes
Common causes include Damaged wiring or connectors in the audio output circuit, Faulty speaker in the right front door, Malfunctioning head unit.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B1035 2015 GMC Sierra Description

The B1035 diagnostic trouble code for a 2015 GMC Sierra specifically refers to an issue with the Right Front Door Audio Output 2 Circuit. This code indicates that there is a malfunction in the circuit responsible for delivering audio output from the vehicle's audio system to the speaker located in the right front door. The audio output circuit is a crucial component of the vehicle's entertainment system, as it allows for the transmission of sound from the head unit to the speakers throughout the vehicle.

OBDII Code B1035 2015 GMC Sierra - Right Front Door Audio Output 2 Circuit
B1035 2015 GMC Sierra Code - Right Front Door Audio Output 2 Circuit

Common Causes of B1035 2015 GMC Sierra

  1. Damaged wiring or connectors in the audio output circuit
  2. Faulty speaker in the right front door
  3. Malfunctioning head unit
  4. Issues with the vehicle's audio control module

Symptoms of B1035 2015 GMC Sierra

  1. Loss of sound from the right front door speaker
  2. Distorted or crackling sound from the speaker
  3. No sound output from the speaker
  4. Intermittent audio output from the speaker

How to Fix B1035 2015 GMC Sierra

  1. Begin by inspecting the wiring and connectors in the audio output circuit for any signs of damage or corrosion. Repair or replace any damaged components.
  2. Test the right front door speaker to ensure it is functioning correctly. Replace the speaker if necessary.
  3. Check the head unit for any malfunctions that may be affecting the audio output to the right front door speaker. Repair or replace the head unit as needed.
  4. If the issue persists, inspect the vehicle's audio control module for any faults. Repair or replace the module as required.

Cost to Fix B1035 2015 GMC Sierra

The typical repair costs for addressing the B1035 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of parts such as wiring, connectors, speakers, head units, or audio control modules can range from $100 to $500 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour. It's advisable to consult with a qualified technician to get a more accurate estimate based on the specific diagnosis and repair needs of your vehicle.

What does this mean?

Tech Notes for B1035 2015 GMC Sierra

B1035:01 Right Front Door Audio Output 2 Circuit Short to Battery

B1035:02 Right Front Door Audio Output 2 Circuit Short to Ground

B1035:04 Right Front Door Audio Output 2 Circuit Open









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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 B1035 2015 GMC Sierra Code

1. What does the OBDII code B1035 mean on a 2015 GMC Sierra?

Code B1035 indicates a problem with the Right Front Door Audio Output 2 Circuit, which is responsible for transmitting audio signals to the right front door speaker.

2. What are the symptoms of the B1035 code on a 2015 GMC Sierra?

Common symptoms include no sound or distorted audio from the right front door speaker, or intermittent audio signal issues.

3. What causes the B1035 code to appear?

Potential causes include a faulty speaker, damaged or loose wiring in the circuit, a malfunctioning audio amplifier, or a software issue in the infotainment system.

4. How can I diagnose the B1035 code on my vehicle?

Start by inspecting the right front door speaker and its wiring for visible damage, check the connections at the amplifier, and use a scan tool to confirm the code and perform further diagnostics.

5. Can a blown fuse cause the B1035 code?

While unlikely, a blown fuse related to the audio system could contribute to the issue. It’s worth checking the fuses if other electrical problems are present.

6. How do I fix the B1035 code on a 2015 GMC Sierra?

Repair steps may include replacing a faulty speaker, repairing or replacing damaged wiring, or reprogramming or replacing the audio amplifier if necessary.

7. Is the B1035 code a serious issue?

This code typically affects audio system performance and is not critical to vehicle operation, but it can be inconvenient and should be addressed to restore proper audio function.

8. Can I continue driving with the B1035 code active?

Yes, you can continue driving, but you may experience degraded or non-functional audio from the right front speaker until the issue is resolved.

9. How much does it cost to fix the B1035 code?

Repair costs vary depending on the issue. Replacing a speaker may cost $50–$150, while amplifier repairs or wiring fixes could range from $100–$500 or more.

10. Can I fix the B1035 code myself?

If you’re comfortable with basic electrical work, you can attempt to inspect and repair wiring or replace the speaker. For more complex issues like amplifier faults, professional assistance may be required.

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