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Engine-Codes – Generic – B3708

B3708 Code - Front Washer Motor Input High

Quick Answer

When the diagnostic code B3708 appears, it indicates that there is a high input signal coming from the front washer motor. Common causes include Faulty front washer motor, Short circuit in the wiring harness, 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
B3708 indicates Front Washer Motor Input High.
Common causes
Common causes include Faulty front washer motor, Short circuit in the wiring harness, 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B3708 Description

When the diagnostic code B3708 appears, it indicates that there is a high input signal coming from the front washer motor. This can lead to various issues related to the operation of the vehicle's windshield washer system. The front washer motor is responsible for pumping washer fluid onto the windshield to clean it while driving. When this code is triggered, it typically means that there is a problem with the electrical circuit or the motor itself. This can result in the windshield washer system not functioning properly, which can affect visibility while driving, especially in adverse weather conditions.

OBDII Code B3708 - Front Washer Motor Input High
B3708 Code - Front Washer Motor Input High

Common Causes of B3708

  1. Faulty front washer motor
  2. Short circuit in the wiring harness
  3. Corrosion or damage to electrical connectors
  4. Defective washer fluid pump
  5. Low washer fluid level

Symptoms of B3708

  1. Windshield washer system not working
  2. Washer fluid not spraying onto the windshield
  3. Unusual noises coming from the front washer motor
  4. Washer fluid leaking from the motor or hoses
  5. Dashboard warning light illuminated

How to Fix B3708

  1. Begin by checking the washer fluid level and replenishing it if low.
  2. Inspect the wiring harness and electrical connectors for any damage or corrosion. Repair or replace as necessary.
  3. Test the front washer motor for proper function. If faulty, replace the motor.
  4. Check the washer fluid pump for any issues and replace if needed.
  5. Clear the diagnostic trouble codes and test the system to ensure proper operation.

Cost to Fix B3708

The cost of repairing the Front Washer Motor Input High code can vary depending on the specific cause of the issue. On average, the cost of replacing a front washer motor can range from $100 to $300, while the cost of a washer fluid pump replacement can range from $50 to $150. Labor costs can add an additional $80 to $150 per hour. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

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Code B3708 Information for Specific Makes

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 B3708 Code

1. What are the common symptoms of OBDII code B3708 (Front Washer Motor Input High)?

The common symptoms of code B3708 include the front windshield washer not functioning properly, the washer fluid not spraying onto the windshield, and possibly an illuminated washer fluid warning light on the dashboard.

2. What are the possible causes of OBDII code B3708?

Possible causes of code B3708 include a faulty front washer motor, a short circuit in the wiring related to the washer system, a malfunctioning washer switch, or a problem with the body control module.

3. How can I diagnose the issue related to OBDII code B3708?

To diagnose the issue related to code B3708, you can start by checking the washer fluid level, inspecting the washer pump and related wiring for any visible damage, and using a multimeter to test the voltage at the washer motor and switch.

4. What are some repair tips for fixing OBDII code B3708?

Repair tips for resolving code B3708 may include replacing the front washer motor, repairing any damaged wiring or connectors, ensuring the washer fluid reservoir is filled, and resetting the fault code after completing the repairs.

5. Can I drive my vehicle with OBDII code B3708 present?

It is generally safe to drive your vehicle with code B3708, but you may experience inconvenience due to the front washer system not working. It is recommended to address the issue at your earliest convenience to ensure proper visibility while driving.

6. How much does it typically cost to repair OBDII code B3708?

The cost of repairing code B3708 can vary depending on the specific cause of the issue. Replacing a front washer motor can cost anywhere from $50 to $200, while addressing wiring issues or module problems may require additional diagnostic time and labor costs.

7. Can OBDII code B3708 affect other vehicle systems?

Code B3708 is specific to the front washer motor input, so it should not directly affect other vehicle systems. However, it is still important to address the issue promptly to prevent any potential electrical problems in the future.

8. Is it possible to clear OBDII code B3708 without fixing the underlying issue?

While you can clear the fault code using an OBDII scanner without fixing the underlying issue, the code is likely to recur if the root cause is not resolved. It is recommended to diagnose and repair the problem to prevent future issues.

9. How long does it typically take to repair OBDII code B3708?

The repair time for code B3708 can vary depending on the cause of the issue and your level of experience. In general, fixing the front washer motor or addressing wiring problems can take anywhere from 30 minutes to a few hours.

10. Are there any preventative measures to avoid OBDII code B3708 in the future?

To prevent OBDII code B3708, you can regularly check and maintain your washer fluid level, avoid overusing the washer system when the fluid is low, and promptly address any issues with the washer motor or related components as soon as they arise.

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