Engine-CodesChevrolet – B3708 Chevrolet

B3708 Chevrolet Code - Front Washer Motor Input High

Quick Answer

The B3708 Chevrolet code indicates that there is a high input signal detected from the front washer motor. Common causes include Faulty front washer motor, Wiring issues in the front washer motor circuit, Malfunctioning front washer switch. 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 Chevrolet indicates Front Washer Motor Input High.
Common causes
Common causes include Faulty front washer motor, Wiring issues in the front washer motor circuit, Malfunctioning front washer switch.
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 13, 2024
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Code B3708 Chevrolet Description

The B3708 Chevrolet code indicates that there is a high input signal detected from the front washer motor. This means that the control module has detected a voltage signal that is higher than the specified range for the front washer motor. This issue can affect the vehicle's performance by causing the front washer motor to malfunction, leading to the inability to properly clean the windshield. If not addressed, this code can result in reduced visibility while driving, which can be a safety hazard.

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

Common Causes of B3708 Chevrolet

  1. Faulty front washer motor.
  2. Wiring issues in the front washer motor circuit.
  3. Malfunctioning front washer switch.
  4. Defective control module.
  5. Corrosion or damage to electrical connections related to the front washer system.

Symptoms of B3708 Chevrolet

  1. Front windshield washer not spraying fluid.
  2. Front windshield washer spraying fluid intermittently.
  3. Front windshield washer spraying fluid at incorrect times.
  4. Front windshield washer making unusual noises.
  5. Front windshield washer not responding to switch commands.

How to Fix B3708 Chevrolet

  1. Begin by inspecting the front washer motor and its wiring for any visible damage or corrosion. Replace the front washer motor if necessary.
  2. Check the front washer switch for proper functionality and replace it if found to be faulty.
  3. Inspect the control module for any signs of damage or malfunction. Replace the control module if needed.
  4. Test the electrical connections related to the front washer system and repair any damaged wires or connectors.
  5. Clear the diagnostic trouble codes from the vehicle's system and test the front washer system to ensure proper operation.

Cost to Fix B3708 Chevrolet

The typical repair costs for addressing a B3708 Chevrolet code can vary depending on the specific cause of the issue. In general, replacing a front washer motor can cost between $100 to $200, while replacing a control module can range from $150 to $300. Labor costs can add an additional $80 to $150 per hour. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle. Labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type.

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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 Chevrolet Code

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

- Common symptoms include the windshield washer system malfunctioning, the front washer motor running continuously, or the washer fluid not spraying correctly.

2. What are the possible causes of OBDII code B3708 in a Chevrolet related to Front Washer Motor Input High?

- Possible causes can include a faulty front washer motor, a short circuit in the washer motor circuit, or a malfunctioning washer motor control module.

3. How can I diagnose the issue causing OBDII code B3708 in a Chevrolet for Front Washer Motor Input High?

- Diagnose the issue by checking the front washer motor for proper operation, inspecting the wiring and connectors for damage, and testing the washer motor control module.

4. Can extreme weather conditions contribute to triggering OBDII code B3708 in a Chevrolet for Front Washer Motor Input High?

- Yes, extreme cold temperatures can sometimes cause the washer fluid to freeze, leading to increased load on the front washer motor and potentially triggering the code.

5. What steps can be taken to repair OBDII code B3708 in a Chevrolet associated with Front Washer Motor Input High?

- Repair steps may include replacing the front washer motor, repairing any damaged wiring or connectors, or reprogramming the washer motor control module.

6. Is it safe to continue driving a Chevrolet with OBDII code B3708 for Front Washer Motor Input High?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper windshield washer functionality.

7. Can a DIY enthusiast with some automotive experience fix OBDII code B3708 related to Front Washer Motor Input High in a Chevrolet?

- Depending on the specific cause, a DIY enthusiast may be able to resolve the issue by replacing the front washer motor or checking and repairing wiring connections.

8. Are there any preventive maintenance tips to avoid encountering OBDII code B3708 in a Chevrolet due to Front Washer Motor Input High?

- Regularly inspecting the windshield washer system, ensuring proper fluid levels, and using winter-grade washer fluid in cold weather can help prevent issues that trigger this code.

9. Will resetting the OBDII system clear the B3708 code related to Front Washer Motor Input High in a Chevrolet?

- Resetting the OBDII system may temporarily clear the code, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

10. Can a disconnected or malfunctioning windshield washer fluid level sensor contribute to triggering OBDII code B3708 in a Chevrolet for Front Washer Motor Input High?

- Yes, a disconnected or faulty washer fluid level sensor can sometimes lead to the front washer motor running continuously, potentially causing the code to set.

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