AutoCodes – Generic – B3707

B3707 Code - Front Washer Motor Input Low

Quick Answer

The Body Control Module (BCM) monitors the windshield washer pump control circuit. Common causes include Faulty Front Washer Motor, Front Washer Motor harness is open or shorted, Front Washer Motor circuit poor electrical connection. 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 indicates Front Washer Motor Input Low.
Common causes: Common causes include Faulty Front Washer Motor, Front Washer Motor harness is open or shorted, Front Washer Motor circuit poor electrical connection.
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.

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Code Popularity 580

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3707 Description

The Body Control Module (BCM) monitors the windshield washer pump control circuit. When a front windshield wash is requested for more than 2 minutes, the BCM will turn OFF the windshield washer pump if the front wiper is NOT requested by the wiper switch.
Battery voltage for the windshield washer pump is supplied through the FRT WIPER 25 A fuse and windshield wiper washer switch. Grounding for the windshield washer pump is through the OFF position of the rear washer switch, when equipped. The Diagnostic Trouble Code (DTC) sets when the front windshield washer pump control circuit is shorted to ground for 2 minutes.

OBDII Code B3707 - Front Washer Motor Input Low - AutoCodes.com — B3707 Code - Front Washer Motor Input Low

What does this mean?

What are the Possible Causes of the DTC B3707?

Faulty Front Washer Motor
Front Washer Motor harness is open or shorted
Front Washer Motor circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B3707?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3707 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B3707 code?

Need more information on how to fix the B3707 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3707 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B3707 Buick — Front Washer Motor Input Low
B3707 Cadillac — Front Washer Motor Input Low
B3707 Chevrolet — Front Washer Motor Input Low
B3707 GMC — Front Washer Motor Input Low
B3707 Saturn — Front Washer Motor Input Low

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 Code

1. What does the OBDII code B3707 mean?

B3707 indicates that the front washer motor input is reading a low voltage, which may suggest an issue with the washer motor circuit or its components.

2. What are the common symptoms of code B3707?

Symptoms include the windshield washer system not working, inability to spray washer fluid, or the washer motor being completely unresponsive.

3. What causes the B3707 code to trigger?

Common causes include a faulty washer motor, damaged wiring or connectors, a blown fuse, or a malfunctioning washer switch.

4. Can a bad fuse cause the B3707 code?

Yes, a blown fuse in the washer motor circuit can cause low input voltage, triggering the B3707 code.

5. How do I diagnose the B3707 code?

Check the fuse, inspect the washer motor wiring and connectors for damage, test the washer motor for proper operation, and verify the washer switch's functionality.

6. Can I still drive my vehicle with the B3707 code active?

Yes, the vehicle is safe to drive, but you may lose functionality of the windshield washer system, which can impair visibility in certain conditions.

7. How do I fix the B3707 error code?

Repairs may include replacing the front washer motor, repairing or replacing damaged wiring or connectors, or replacing a faulty washer switch or fuse.

8. How much does it cost to fix the B3707 code?

Repair costs can range from $50 to $200, depending on whether you need to replace the washer motor, repair wiring, or replace other components.

9. Can I reset the B3707 code without fixing the issue?

You can clear the code with an OBDII scanner, but if the underlying issue isnâ€™t addressed, the code will likely return.

10. What tools are needed to troubleshoot the B3707 code?

You'll need a multimeter to test voltage, an OBDII scanner to read and clear codes, and basic tools to inspect and repair wiring or replace components.