Engine-CodesGMC – B3715 2015 GMC Sierra

B3715 2015 GMC Sierra Code - Windshield Wiper Relay Drive Circuit

Quick Answer

The B3715 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to an issue with the windshield wiper relay drive circuit. Common causes include Faulty windshield wiper relay, Damaged or corroded wiring in the relay circuit, Blown fuse related to the windshield wiper system. 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
B3715 2015 GMC Sierra indicates Windshield Wiper Relay Drive Circuit.
Common causes
Common causes include Faulty windshield wiper relay, Damaged or corroded wiring in the relay circuit, Blown fuse related to the windshield wiper system.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B3715 2015 GMC Sierra Description

The B3715 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to an issue with the windshield wiper relay drive circuit. The windshield wiper relay is responsible for controlling the operation of the windshield wipers, which are crucial for maintaining visibility during inclement weather conditions. When this circuit malfunctions, it can lead to erratic or non-functioning windshield wiper operation, posing a safety risk for the driver and passengers.

OBDII Code B3715 2015 GMC Sierra - Windshield Wiper Relay Drive Circuit
B3715 2015 GMC Sierra Code - Windshield Wiper Relay Drive Circuit

Common Causes of B3715 2015 GMC Sierra

  1. Faulty windshield wiper relay.
  2. Damaged or corroded wiring in the relay circuit.
  3. Blown fuse related to the windshield wiper system.
  4. Poor electrical connection at the relay or wiper motor.
  5. Water infiltration causing damage to the relay or wiring.

Symptoms of B3715 2015 GMC Sierra

  1. Intermittent or erratic windshield wiper operation.
  2. Windshield wipers not responding to control inputs.
  3. Wipers getting stuck in one position or moving slowly.
  4. Wipers not turning off even when the switch is in the off position.
  5. No sound or movement when the wipers are activated.

How to Fix B3715 2015 GMC Sierra

  1. Begin by conducting a thorough inspection of the windshield wiper relay and surrounding wiring.
  2. Test the relay for continuity and proper operation using a multimeter.
  3. Check the fuse related to the windshield wiper system and replace if necessary.
  4. Inspect the wiring for any damage or corrosion, repairing or replacing as needed.
  5. Ensure all electrical connections are secure and free of debris or corrosion.

Cost to Fix B3715 2015 GMC Sierra

The cost of repairing a windshield wiper relay drive circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the cost of parts for this repair can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total cost of addressing this issue may fall between $150 and $350, but it's advisable to obtain quotes from local auto repair shops to get a more accurate estimate based on your location and vehicle specifics. Additionally, factors such as diagnostic time and labor rates can influence the final cost of the repair.

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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 B3715 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B3715 in a 2015 GMC Sierra related to the windshield wiper relay drive circuit?

The common symptoms include malfunctioning windshield wipers, wipers not moving at all, or wipers operating erratically.

2. What are the possible causes of OBDII code B3715 in a 2015 GMC Sierra?

Possible causes include a faulty windshield wiper relay, damaged wiring or connectors in the circuit, or a malfunctioning wiper motor.

3. How can I diagnose the windshield wiper relay drive circuit issue causing OBDII code B3715 in my 2015 GMC Sierra?

You can use a multimeter to test the windshield wiper relay, check the wiring and connectors for any damage, and inspect the wiper motor for proper function.

4. Can OBDII code B3715 in a 2015 GMC Sierra related to the windshield wiper relay drive circuit be reset?

Yes, after fixing the underlying issue causing the code, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

5. Are there any simple repair tips for resolving OBDII code B3715 in a 2015 GMC Sierra?

You can start by checking the windshield wiper relay and its connections, ensuring there are no loose or damaged wires, and testing the wiper motor for proper operation.

6. Is it safe to continue driving a 2015 GMC Sierra with OBDII code B3715 related to the windshield wiper relay drive circuit?

It is not recommended to drive the vehicle with malfunctioning windshield wipers as it can compromise visibility during adverse weather conditions, posing a safety risk.

7. How much does it typically cost to repair OBDII code B3715 in a 2015 GMC Sierra's windshield wiper relay drive circuit?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the windshield wiper relay, fixing wiring problems, or replacing the wiper motor.

8. Can extreme weather conditions contribute to triggering OBDII code B3715 in a 2015 GMC Sierra's windshield wiper relay drive circuit?

Yes, extreme weather conditions like heavy rain, snow, or ice can put additional strain on the windshield wiper system, potentially leading to issues with the relay drive circuit.

9. Are there any preventative maintenance tips to avoid encountering OBDII code B3715 in a 2015 GMC Sierra's windshield wiper relay drive circuit?

Regularly inspecting and maintaining the windshield wiper system, keeping the wiper blades in good condition, and addressing any issues promptly can help prevent code B3715 from occurring.

10. How long does it typically take to repair OBDII code B3715 in a 2015 GMC Sierra related to the windshield wiper relay drive circuit?

The repair time can vary based on the complexity of the issue, but it may take anywhere from an hour to a few hours to diagnose and fix the problem.

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