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B1035 2018 GMC Sierra Code - Right Front Door Audio Output 2 Circuit

Quick Answer

The B1035 diagnostic trouble code for a 2018 GMC Sierra specifically refers to an issue with the Right Front Door Audio Output 2 Circuit. Common causes include Faulty right front door speaker, Wiring issues in the audio output circuit, Loose or corroded connections in the circuit. 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 2018 GMC Sierra indicates Right Front Door Audio Output 2 Circuit.
Common causes
Common causes include Faulty right front door speaker, Wiring issues in the audio output circuit, Loose or corroded connections in the circuit.
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 2018 GMC Sierra Description

The B1035 diagnostic trouble code for a 2018 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 right front door speaker. The audio system in modern vehicles is a complex network of components that work together to produce sound. When this circuit is compromised, it can lead to a variety of issues affecting the vehicle's audio system.

OBDII Code B1035 2018 GMC Sierra - Right Front Door Audio Output 2 Circuit
B1035 2018 GMC Sierra Code - Right Front Door Audio Output 2 Circuit

Common Causes of B1035 2018 GMC Sierra

  1. Faulty right front door speaker
  2. Wiring issues in the audio output circuit
  3. Loose or corroded connections in the circuit
  4. Malfunctioning audio amplifier
  5. Issues with the audio control module

Symptoms of B1035 2018 GMC Sierra

  1. No sound coming from the right front door speaker
  2. Distorted sound from the right front door speaker
  3. Audio cutting in and out intermittently
  4. Audio system not working at all

How to Fix B1035 2018 GMC Sierra

  1. Begin by inspecting the right front door speaker for any visible damage or signs of malfunction. Replace the speaker if necessary.
  2. Check the wiring in the audio output circuit for any breaks, frays, or corrosion. Repair or replace any damaged wiring.
  3. Inspect the connections in the circuit, ensuring they are secure and free of corrosion. Clean and tighten connections as needed.
  4. Test the audio amplifier and audio control module for proper functionality. Replace any components that are found to be faulty.
  5. Clear the diagnostic trouble code from the vehicle's system using a diagnostic scanner to reset the audio output circuit.

Cost to Fix B1035 2018 GMC Sierra

The cost of repairing the Right Front Door Audio Output 2 Circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of replacing a speaker can range from $50 to $200, while addressing wiring or connection issues may cost between $100 to $300. If the audio amplifier or control module needs to be replaced, the cost can be higher, potentially ranging from $200 to $500 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, but rates can vary based on location and the shop's pricing structure. It is recommended to obtain a detailed estimate from a qualified mechanic to determine the exact cost of repairing the B1035 code on a 2018 GMC Sierra.

What does this mean?

Tech Notes for B1035 2018 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 2018 GMC Sierra Code

1. What does OBDII code B1035 mean on a 2018 GMC Sierra?

Code B1035 indicates a fault in the Right Front Door Audio Output 2 Circuit, which usually involves a problem with the audio signal or wiring to the right front door speaker.

2. What are common symptoms of code B1035 in a 2018 GMC Sierra?

Symptoms may include no sound from the right front door speaker, distorted audio, or intermittent speaker operation.

3. What causes the B1035 code to appear?

This code is typically caused by a faulty speaker, damaged wiring, a loose connector, or an issue with the amplifier or head unit.

4. Can I still drive my GMC Sierra with code B1035?

Yes, code B1035 doesn’t affect the drivability of your vehicle, but it may impact the audio system's performance.

5. How do I diagnose a B1035 code in a 2018 GMC Sierra?

Start by inspecting the speaker wiring and connectors for damage or corrosion. You may also need to test the speaker and check for proper signal output from the amplifier or head unit.

6. How do I fix the B1035 code in my GMC Sierra?

Repairs may involve replacing the right front speaker, repairing or replacing damaged wiring, or addressing faults in the amplifier or head unit.

7. Is it expensive to repair a B1035 code in a 2018 GMC Sierra?

Repair costs vary depending on the issue. Replacing a speaker or repairing wiring is typically less expensive than replacing an amplifier or head unit.

8. Can a software update fix the B1035 code?

In rare cases, a software update for the audio system may resolve the issue, but hardware problems are more common.

9. Will disconnecting the battery clear the B1035 code?

Disconnecting the battery may temporarily clear the code, but it won’t fix the underlying issue causing the fault.

10. Should I take my vehicle to a professional for a B1035 code?

If you’re unable to diagnose or repair the issue yourself, it’s best to consult a professional technician for a thorough inspection and repair.

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