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B3708 Cadillac Code - Front Washer Motor Input High

Quick Answer

The B3708 diagnostic trouble code for Cadillac vehicles indicates that there is a high input detected from the front washer motor. Common causes include Faulty front washer motor, Wiring issues such as a short circuit or open circuit, Malfunctioning washer motor 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
B3708 Cadillac indicates Front Washer Motor Input High.
Common causes
Common causes include Faulty front washer motor, Wiring issues such as a short circuit or open circuit, Malfunctioning washer motor 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 13, 2024
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Code B3708 Cadillac Description

The B3708 diagnostic trouble code for Cadillac vehicles indicates that there is a high input detected from the front washer motor. This means that the control module has detected a voltage signal from the front washer motor that is higher than the specified range. This issue can affect the proper functioning of the windshield washer system, which is essential for maintaining visibility while driving, especially in adverse weather conditions.

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

Common Causes of B3708 Cadillac

  1. Faulty front washer motor.
  2. Wiring issues such as a short circuit or open circuit.
  3. Malfunctioning washer motor control module.
  4. Electrical system problems such as a blown fuse or relay.
  5. Corrosion or damage to connectors in the washer system.

Symptoms of B3708 Cadillac

  1. Windshield washer fluid not spraying onto the windshield.
  2. Unusual noise coming from the front washer motor.
  3. Washer fluid leaking from the motor or associated components.
  4. Windshield washer system not responding to input from the control switch.
  5. Warning light on the dashboard related to the washer system.

How to Fix B3708 Cadillac

  1. Begin by inspecting the front washer motor and associated wiring for any visible damage or signs of wear.
  2. Test the front washer motor using a multimeter to check for proper voltage and continuity.
  3. Check the washer motor control module for any faults or malfunctions.
  4. Inspect the vehicle's electrical system, including fuses, relays, and connectors, to ensure proper functioning.
  5. Replace any faulty components such as the front washer motor, control module, or damaged wiring as needed.

Cost to Fix B3708 Cadillac

The typical repair costs for addressing a B3708 Cadillac code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a front washer motor or control module can cost between $100 to $300 for parts, with additional labor costs ranging from $100 to $200. However, it's important to note that diagnosis time and 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 vehicle's make and model.

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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 B3708 Cadillac Code

1. What are the common symptoms of OBDII code B3708 in a Cadillac indicating Front Washer Motor Input High?

The common symptoms include the front windshield washer system not functioning properly, excessive noise coming from the washer motor, and the windshield washer fluid not spraying onto the windshield.

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

Possible causes of this code include a faulty front washer motor, a short circuit in the wiring harness related to the front washer motor, or a malfunctioning control module.

3. How can I diagnose the issue causing OBDII code B3708 in my Cadillac?

You can diagnose the issue by checking the front washer motor for proper operation, inspecting the wiring harness for any visible damage or shorts, and using a diagnostic scan tool to read the code and identify the specific issue.

4. What are some repair tips for resolving OBDII code B3708 in a Cadillac?

Repair tips include checking and replacing the front washer motor if necessary, repairing any damaged wiring in the harness, and resetting the control module after making the repairs.

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

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the front washer system.

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

The cost of repairs can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Is it possible to reset OBDII code B3708 in a Cadillac without making any repairs?

While you can clear the code using a diagnostic scan tool, it is important to address the underlying issue to prevent the code from reappearing.

8. Will OBDII code B3708 cause my Cadillac to fail an emissions test?

This code is not directly related to emissions, so it is unlikely to cause your Cadillac to fail an emissions test.

9. Are there any preventive measures I can take to avoid OBDII code B3708 in the future?

Regularly checking the windshield washer system for any signs of malfunction, such as low fluid levels or unusual noises, can help prevent issues that may trigger this code.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code B3708 in a Cadillac?

While some repairs related to this code may be DIY-friendly, it is recommended to consult a professional technician for an accurate diagnosis and proper repair to ensure the issue is resolved effectively.

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