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B1065 2014 GMC Sierra Code - Left Rear Door Audio Output 5 Circuit

Quick Answer

The B1065 diagnostic trouble code for a 2014 GMC Sierra specifically relates to the Left Rear Door Audio Output 5 Circuit. Common causes include Wiring damage or short circuit in the left rear door audio circuit, Faulty amplifier in the audio system, Malfunctioning speaker in the left 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
B1065 2014 GMC Sierra indicates Left Rear Door Audio Output 5 Circuit.
Common causes
Common causes include Wiring damage or short circuit in the left rear door audio circuit, Faulty amplifier in the audio system, Malfunctioning speaker in the left 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1065 2014 GMC Sierra Description

The B1065 diagnostic trouble code for a 2014 GMC Sierra specifically relates to the Left Rear Door Audio Output 5 Circuit. This code indicates a problem with the audio system in the left rear door of the vehicle. The audio output circuit is responsible for transmitting audio signals from the vehicle's audio system to the speakers in the left rear door. When this circuit malfunctions, it can result in issues with the sound quality or complete loss of audio from that particular speaker.

OBDII Code B1065 2014 GMC Sierra - Left Rear Door Audio Output 5 Circuit
B1065 2014 GMC Sierra Code - Left Rear Door Audio Output 5 Circuit

Common Causes of B1065 2014 GMC Sierra

  1. Wiring damage or short circuit in the left rear door audio circuit
  2. Faulty amplifier in the audio system
  3. Malfunctioning speaker in the left rear door
  4. Loose or disconnected connections in the audio system
  5. Water damage or corrosion affecting the audio components in the left rear door

Symptoms of B1065 2014 GMC Sierra

  1. No sound coming from the left rear door speaker
  2. Distorted or poor audio quality from the left rear door speaker
  3. Audio cutting in and out intermittently from the left rear door speaker
  4. Complete loss of audio from the entire audio system in the vehicle

How to Fix B1065 2014 GMC Sierra

  1. Begin by diagnosing the specific cause of the issue by inspecting the wiring, amplifier, and speaker in the left rear door.
  2. Repair or replace any damaged wiring or connections in the audio output circuit.
  3. Test the amplifier to ensure it is functioning correctly and replace if necessary.
  4. Inspect the left rear door speaker for damage or malfunction and replace if needed.
  5. Clear the diagnostic trouble code from the vehicle's system and test the audio system to verify that the issue has been resolved.

Cost to Fix B1065 2014 GMC Sierra

The typical repair costs for addressing the B1065 code in a 2014 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as wiring, amplifier, or speaker replacement can range from $100 to $500, while labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue may fall between $200 and $800. It's important to note that these are rough estimates, and actual costs may vary based on the location of the repair, the specific components needed, and the labor rates of the auto repair shop.

What does this mean?

Tech Notes for B1065 2014 GMC Sierra

B1065:01 Left Rear Door Audio Output 5 Circuit Short to Battery

B1065:02 Left Rear Door Audio Output 5 Circuit Short to Ground

B1065:04 Left Rear Door Audio Output 5 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 B1065 2014 GMC Sierra Code

1. What does OBDII code B1065 mean on a 2014 GMC Sierra?

Code B1065 indicates an issue with the Left Rear Door Audio Output 5 Circuit, which typically involves the wiring, speaker, or audio control module for the rear left door.

2. What are the common symptoms of code B1065 in a 2014 GMC Sierra?

Common symptoms include no sound or distorted sound from the left rear door speaker, and possibly a stored diagnostic trouble code (DTC) in the vehicle's memory.

3. What causes code B1065 in a 2014 GMC Sierra?

The code can be caused by a faulty speaker, damaged or corroded wiring, a loose connection, or a malfunctioning audio control module.

4. Can a blown speaker cause the B1065 code?

Yes, a blown or damaged speaker in the left rear door can trigger code B1065 since the circuit will not function properly.

5. How do I diagnose code B1065 on my 2014 GMC Sierra?

Start by inspecting the left rear door speaker and its wiring for damage, corrosion, or disconnections. Use a multimeter to test continuity and check the audio control module if no obvious issues are found.

6. Can I clear the B1065 code without fixing the issue?

You can clear the code temporarily, but it will return if the underlying problem with the Left Rear Door Audio Output 5 Circuit is not resolved.

7. Is the audio control module a common cause of B1065?

While less common, a faulty audio control module can cause the B1065 code if it fails to send the proper signals to the left rear door speaker.

8. How much does it cost to repair code B1065 on a 2014 GMC Sierra?

Repair costs can vary widely, ranging from $50 to $150 for a speaker replacement to $500 or more if the audio control module needs replacement.

9. Can I repair code B1065 myself?

If you have basic automotive knowledge, you can inspect and replace the speaker or repair damaged wiring. However, diagnosing or replacing the audio control module may require professional assistance.

10. Will code B1065 affect other vehicle systems?

No, this code is specific to the audio system and will not impact other vehicle systems, but it may reduce overall audio performance.

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