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B1025 2017 GMC Sierra Code - Left Front Door Audio Output 1 Circuit

Quick Answer

The B1025 diagnostic trouble code (DTC) for a 2017 GMC Sierra specifically refers to an issue with the Left Front Door Audio Output 1 Circuit. Common causes include Faulty wiring or connections within the Left Front Door Audio Output 1 Circuit, A malfunctioning audio amplifier or audio control module, Water damage or corrosion affecting the audio system components in the left front door. 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
B1025 2017 GMC Sierra indicates Left Front Door Audio Output 1 Circuit.
Common causes
Common causes include Faulty wiring or connections within the Left Front Door Audio Output 1 Circuit, A malfunctioning audio amplifier or audio control module, Water damage or corrosion affecting the audio system components in the left front door.
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 11, 2024
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Code B1025 2017 GMC Sierra Description

The B1025 diagnostic trouble code (DTC) for a 2017 GMC Sierra specifically refers to an issue with the Left Front Door Audio Output 1 Circuit. This code indicates that there is a problem with the audio output system in the left front door of the vehicle. This system is responsible for transmitting audio signals from the vehicle's audio system to the speakers located in the left front door. When this circuit is compromised, it can lead to a range of audio-related issues, such as distorted sound, no sound at all, or erratic volume levels.

OBDII Code B1025 2017 GMC Sierra - Left Front Door Audio Output 1 Circuit
B1025 2017 GMC Sierra Code - Left Front Door Audio Output 1 Circuit

Common Causes of B1025 2017 GMC Sierra

  1. Faulty wiring or connections within the Left Front Door Audio Output 1 Circuit.
  2. A malfunctioning audio amplifier or audio control module.
  3. Water damage or corrosion affecting the audio system components in the left front door.
  4. Damage to the left front door speaker itself.
  5. Software or firmware issues within the vehicle's audio system.

Symptoms of B1025 2017 GMC Sierra

  1. Distorted or poor-quality sound coming from the left front door speakers.
  2. No sound at all from the left front door speakers.
  3. Inconsistent volume levels from the left front door speakers.
  4. Audio system cutting in and out intermittently.
  5. Warning chimes, navigation prompts, or hands-free calling not functioning properly.

How to Fix B1025 2017 GMC Sierra

  1. Begin by visually inspecting the wiring and connections in the left front door audio output circuit for any signs of damage or corrosion. Repair or replace any damaged components.
  2. Test the audio amplifier and audio control module for proper functionality. Replace any faulty components.
  3. Check the left front door speaker for damage or malfunction. Replace if necessary.
  4. Perform a diagnostic scan of the vehicle's audio system to identify any software or firmware issues. Update or reprogram as needed.
  5. Test the audio system thoroughly after repairs to ensure that the issue has been resolved.

Cost to Fix B1025 2017 GMC Sierra

The typical repair costs for addressing the B1025 code related to the Left Front Door Audio Output 1 Circuit on a 2017 GMC Sierra can vary depending on the specific cause of the issue. Generally, the cost of parts such as wiring, audio amplifier, audio control module, and speaker replacements can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair time can vary depending on the complexity of the issue. It's advisable to consult with a certified technician or auto repair shop to get a more accurate estimate based on the specific circumstances of the vehicle.

What does this mean?

Tech Notes for B1025 2017 GMC Sierra

B1025:01 Left Front Door Audio Output 1 Circuit Short to Battery

B1025:02 Left Front Door Audio Output 1 Circuit Short to Ground

B1025:04 Left Front Door Audio Output 1 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 B1025 2017 GMC Sierra Code

1. What does the OBDII code B1025 mean on a 2017 GMC Sierra?

B1025 indicates an issue with the Left Front Door Audio Output 1 Circuit, which relates to the speaker or wiring in the left front door.

2. What are common symptoms of code B1025 in a 2017 GMC Sierra?

Common symptoms include no sound from the left front door speaker, distorted audio, or intermittent speaker operation.

3. What causes the B1025 code to appear in a 2017 GMC Sierra?

Causes can include a faulty speaker, damaged or corroded wiring, a loose connection, or an issue with the audio amplifier.

4. How do I troubleshoot the B1025 code in my 2017 GMC Sierra?

Begin by inspecting the left front door speaker, checking wiring and connections for damage or corrosion, and testing the audio amplifier for proper function.

5. Can a blown speaker trigger the B1025 code on a 2017 GMC Sierra?

Yes, a blown or faulty left front door speaker can cause the circuit issue and trigger the B1025 code.

6. Is it safe to drive with the B1025 code in a 2017 GMC Sierra?

Yes, it is safe to drive, but you may experience audio issues. It’s best to address the problem to restore proper sound functionality.

7. How much does it cost to fix the B1025 code in a 2017 GMC Sierra?

Repair costs depend on the issue. Replacing a speaker may cost $50-$300, while wiring repairs or amplifier replacement could be more.

8. Can the B1025 code be cleared without fixing the problem?

The code can be cleared temporarily, but it will likely return unless the underlying issue is resolved.

9. Does the B1025 code always mean the speaker is bad?

No, the issue could also lie in the wiring, connectors, or the audio amplifier, not just the speaker.

10. Can I fix the B1025 code on my 2017 GMC Sierra myself?

If you’re comfortable working with car electronics, you can inspect and replace the speaker or repair wiring. For complex issues, professional help may be needed.

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