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Engine-Codes – Buick – B3713 Buick

B3713 Buick Code - Rear Washer Motor Input Circuit High

Quick Answer

The B3713 Buick code indicates a problem with the rear washer motor input circuit being too high. Common causes include Faulty rear washer motor, Damaged wiring harness connecting to the rear washer motor, Malfunctioning control module that regulates the rear washer motor. 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
B3713 Buick indicates Rear Washer Motor Input Circuit High.
Common causes
Common causes include Faulty rear washer motor, Damaged wiring harness connecting to the rear washer motor, Malfunctioning control module that regulates the rear washer motor.
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 B3713 Buick Description

The B3713 Buick code indicates a problem with the rear washer motor input circuit being too high. This means that the control module has detected a higher than normal voltage in the circuit that controls the rear washer motor. The rear washer motor is responsible for spraying washer fluid onto the rear windshield to clean it while driving. When this circuit has a high voltage, it can lead to issues with the rear washer motor not functioning properly, which can impact visibility while driving.

OBDII Code B3713 Buick - Rear Washer Motor Input Circuit High
B3713 Buick Code - Rear Washer Motor Input Circuit High

Common Causes of B3713 Buick

  1. Faulty rear washer motor.
  2. Damaged wiring harness connecting to the rear washer motor.
  3. Malfunctioning control module that regulates the rear washer motor.
  4. Defective switch that activates the rear washer motor.
  5. Corrosion or loose connections in the rear washer motor circuit.

Symptoms of B3713 Buick

  1. Rear washer motor not spraying washer fluid onto the rear windshield.
  2. Washer fluid not reaching the rear windshield when activated.
  3. Unusual noise coming from the rear washer motor.
  4. Washer fluid leaking from the rear of the vehicle.

How to Fix B3713 Buick

  1. Begin by inspecting the rear washer motor and its wiring harness for any visible damage or corrosion.
  2. Test the rear washer motor using a multimeter to check for proper voltage and continuity.
  3. Check the control module and switch for any signs of malfunction and replace if necessary.
  4. Repair or replace any damaged wiring in the rear washer motor circuit.
  5. Clear the diagnostic trouble codes from the vehicle's system and test the rear washer motor to ensure it is functioning properly.

Cost to Fix B3713 Buick

The typical repair costs for addressing a B3713 Buick code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates can vary, so it's recommended to check with local auto repair shops for a more accurate estimate.

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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 B3713 Buick Code

1. What does the OBDII code B3713 mean on a Buick?

B3713 indicates that the rear washer motor input circuit is reading a voltage higher than the manufacturer’s specified range.

2. What are common symptoms of code B3713 in a Buick?

Symptoms may include the rear washer not functioning, a check engine light or warning message, and potentially an inoperative rear wiper system.

3. What causes the B3713 code in a Buick?

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

4. Can I still drive my Buick with a B3713 code?

Yes, the vehicle is safe to drive, but the rear washer system may not work properly, which can impact visibility in bad weather.

5. How do I diagnose the B3713 code on my Buick?

Start by inspecting the rear washer motor, checking for damaged wiring, testing the motor for proper operation, and verifying the system's voltage levels with a multimeter.

6. How can I fix the B3713 code on my Buick?

Repairs may involve replacing a faulty rear washer motor, repairing or replacing damaged wiring or connectors, or replacing a blown fuse.

7. How much does it cost to fix a B3713 code in a Buick?

Repair costs can vary. Replacing a rear washer motor typically costs $100–$300, while fixing wiring or electrical issues may add labor charges.

8. Can a blown fuse trigger the B3713 code in a Buick?

Yes, a blown fuse in the rear washer motor circuit can cause the voltage to go out of range and trigger the code.

9. What tools are needed to troubleshoot the B3713 code?

You’ll need an OBDII scanner, a multimeter to test voltage and continuity, and basic tools for inspecting and replacing components.

10. Can the B3713 code clear itself after repairs?

No, you’ll need to clear the code using an OBDII scanner after completing the necessary repairs. If the issue persists, the code may reappear.

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