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Engine-Codes – GMC – B319A 2015 GMC Sierra

B319A 2015 GMC Sierra Code - Right Rear Window Switch

Quick Answer

The B319A diagnostic trouble code (DTC) for a 2015 GMC Sierra specifically relates to the right rear window switch. Common causes include Faulty right rear window switch, Wiring issues in the electrical circuit, Malfunctioning control module. 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
B319A 2015 GMC Sierra indicates Right Rear Window Switch.
Common causes
Common causes include Faulty right rear window switch, Wiring issues in the electrical circuit, Malfunctioning control module.
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 18, 2024
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Code B319A 2015 GMC Sierra Description

The B319A diagnostic trouble code (DTC) for a 2015 GMC Sierra specifically relates to the right rear window switch. This code indicates a malfunction or fault in the electrical circuit of the right rear window switch. The right rear window switch is responsible for controlling the movement of the right rear window in the vehicle. When this code is triggered, it can lead to issues with the operation of the right rear window, such as the window not moving up or down when the switch is activated.

OBDII Code B319A 2015 GMC Sierra - Right Rear Window Switch
B319A 2015 GMC Sierra Code - Right Rear Window Switch

Common Causes of B319A 2015 GMC Sierra

  1. Faulty right rear window switch.
  2. Wiring issues in the electrical circuit.
  3. Malfunctioning control module.
  4. Water damage to the switch or wiring.
  5. General wear and tear on the switch components.

Symptoms of B319A 2015 GMC Sierra

  1. Inability to operate the right rear window using the switch.
  2. Unresponsive or intermittent movement of the right rear window.
  3. Strange noises coming from the right rear window when attempting to operate it.
  4. The right rear window getting stuck in a certain position.

How to Fix B319A 2015 GMC Sierra

  1. Begin by diagnosing the specific cause of the issue by using a diagnostic scanner to retrieve the DTC and inspecting the right rear window switch and wiring.
  2. If the issue is with the switch, replace the right rear window switch with a new one that is compatible with the vehicle's make and model.
  3. Check the wiring for any damage or corrosion, and repair or replace any damaged wiring as needed.
  4. If the control module is found to be faulty, replace the control module with a new one.
  5. Test the right rear window switch after the repair to ensure that it is functioning properly.

Cost to Fix B319A 2015 GMC Sierra

The typical repair costs for addressing the B319A code related to the right rear window switch in a 2015 GMC Sierra can vary depending on the specific cause of the issue. On average, the cost of parts for a new right rear window switch can range from $50 to $150, while the cost of labor for the repair can range from $100 to $200. It's important to note that these estimates are general guidelines and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

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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 B319A 2015 GMC Sierra Code

1. What does OBDII code B319A for a 2015 GMC Sierra indicate?

This code specifically relates to the Right Rear Window Switch on the vehicle.

2. What are common symptoms of OBDII code B319A in a 2015 GMC Sierra?

Common symptoms include the right rear window not functioning properly or being completely inoperative.

3. What are possible causes of OBDII code B319A on a 2015 GMC Sierra?

Potential causes include a faulty right rear window switch, wiring issues, or a malfunction in the window regulator.

4. How can I diagnose the issue related to OBDII code B319A on my 2015 GMC Sierra?

You can start by checking the connections and wiring for the right rear window switch, as well as testing the switch itself for proper functionality.

5. Can I repair OBDII code B319A on a 2015 GMC Sierra myself?

Depending on your skills and experience, you may be able to replace the right rear window switch or address wiring issues yourself. However, complex repairs involving the window regulator may require professional assistance.

6. Is it safe to continue driving with OBDII code B319A on a 2015 GMC Sierra?

It is generally not recommended to drive with malfunctioning power windows, as they are important for visibility and safety. It's best to address the issue promptly.

7. How much does it typically cost to repair OBDII code B319A on a 2015 GMC Sierra?

The cost of repairs can vary based on the specific cause of the issue. Replacing a faulty switch may cost less than addressing wiring or regulator problems. It's advisable to get a professional diagnosis for an accurate estimate.

8. Can weather conditions affect the occurrence of OBDII code B319A on a 2015 GMC Sierra?

Extreme temperatures or moisture can potentially exacerbate issues with the right rear window switch or related components. Keeping the vehicle protected from such conditions may help prevent problems.

9. Are there any preventive measures to avoid OBDII code B319A on a 2015 GMC Sierra?

Regularly inspecting and maintaining the power window switches and components can help prevent issues like code B319A. Keeping the interior of the vehicle clean and dry can also contribute to their longevity.

10. Will resetting the OBDII code B319A on a 2015 GMC Sierra resolve the issue?

While clearing the code temporarily may reset warning lights, it is essential to address the underlying problem causing code B319A for a lasting solution to the right rear window switch issue.

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