Engine-CodesGMC – B3707 GMC

B3707 GMC Code - Front Washer Motor Input Low

Quick Answer

The B3707 GMC code indicates that there is a problem with the front washer motor input being low. Common causes include Faulty front washer motor, Wiring issues such as a short or open circuit, Corrosion or damage to electrical connectors. 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
B3707 GMC indicates Front Washer Motor Input Low.
Common causes
Common causes include Faulty front washer motor, Wiring issues such as a short or open circuit, Corrosion or damage to electrical connectors.
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 17, 2024
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Code B3707 GMC Description

The B3707 GMC code indicates that there is a problem with the front washer motor input being low. This means that the control module has detected a lower than expected voltage signal from the front washer motor. The front washer motor is responsible for spraying washer fluid onto the windshield to clean it while driving. When this code is triggered, it can lead to issues with visibility and safety while driving, especially in adverse weather conditions where a clear windshield is crucial.

OBDII Code B3707 GMC - Front Washer Motor Input Low
B3707 GMC Code - Front Washer Motor Input Low

Common Causes of B3707 GMC

  1. Faulty front washer motor.
  2. Wiring issues such as a short or open circuit.
  3. Corrosion or damage to electrical connectors.
  4. Malfunctioning control module.
  5. Low washer fluid level.

Symptoms of B3707 GMC

  1. Windshield washer fluid not spraying onto the windshield.
  2. Weak or intermittent washer fluid spray.
  3. Unusual noises coming from the front washer motor.
  4. Washer fluid leaking from the motor area.
  5. Dashboard warning light indicating a washer system fault.

How to Fix B3707 GMC

  1. Begin by checking the washer fluid level in the reservoir and ensuring it is at the recommended level.
  2. Inspect the wiring and connectors associated with the front washer motor for any signs of damage or corrosion. Repair or replace as needed.
  3. Test the front washer motor for proper functionality. If it is faulty, replace it with a new one.
  4. Clear the diagnostic trouble codes from the vehicle's system using a scan tool.
  5. Test the front washer system to ensure that the issue has been resolved and that the washer fluid sprays onto the windshield correctly.

Cost to Fix B3707 GMC

The cost of repairing a front washer motor input low issue can vary depending on the specific cause of the problem and the cost of parts and labor. On average, the repair cost for this issue can range from $100 to $300. However, it's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate based on your location and vehicle.

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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 B3707 GMC Code

1. What are the common symptoms of OBDII code B3707 GMC (Front Washer Motor Input Low)?

- Common symptoms include the windshield washer fluid not spraying properly, weak or no spray from the washer nozzles, and possibly a warning light on the dashboard.

2. What are the possible causes of OBDII code B3707 GMC?

- The code B3707 GMC (Front Washer Motor Input Low) can be caused by issues such as a faulty washer motor, damaged wiring or connectors, a defective washer switch, or a blown fuse related to the washer system.

3. How can I diagnose the OBDII code B3707 GMC?

- To diagnose code B3707 GMC, you can start by checking the washer fluid level, inspecting the washer pump and related components for damage, testing the washer switch functionality, and scanning the vehicle's onboard computer for specific diagnostic trouble codes.

4. What are some repair tips for resolving OBDII code B3707 GMC?

- Repair tips for resolving code B3707 GMC may include checking and replacing the washer motor if necessary, repairing damaged wiring or connectors, ensuring the washer switch is functioning correctly, and replacing any blown fuses related to the washer system.

5. Can I drive my vehicle with OBDII code B3707 GMC without immediate repair?

- It is generally safe to drive your vehicle with code B3707 GMC, but it's essential to address the issue promptly to ensure proper functionality of the windshield washer system, especially in adverse weather conditions.

6. How much does it typically cost to repair OBDII code B3707 GMC?

- The cost to repair OBDII code B3707 GMC can vary depending on the underlying cause. Repair costs may include parts such as a washer motor or switch, labor charges for diagnosis and repair, and any additional components that need replacement.

7. Can I reset OBDII code B3707 GMC without fixing the issue?

- While you can clear the code temporarily, it is not recommended to reset OBDII code B3707 GMC without addressing the underlying problem. Resetting the code without fixing the issue may lead to recurring problems with the windshield washer system.

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