Engine-CodesGeneric – B3922

B3922 Code - Front Wiper Function Select Circuit

Quick Answer

The B3922 diagnostic trouble code (DTC) refers to the Front Wiper Function Select Circuit in a vehicle. Common causes include Faulty wiper switch, Defective wiper motor, Damaged wiring or 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
B3922 indicates Front Wiper Function Select Circuit.
Common causes
Common causes include Faulty wiper switch, Defective wiper motor, Damaged wiring or 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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B3922 Description

The B3922 diagnostic trouble code (DTC) refers to the Front Wiper Function Select Circuit in a vehicle. This code is typically associated with issues related to the windshield wiper system, specifically the control circuit that manages the wiper functions. When this code is triggered, it indicates that there is a problem with the circuit that controls the front wiper functions, such as speed settings, intermittent operation, and washer fluid activation.

OBDII Code B3922 - Front Wiper Function Select Circuit
B3922 Code - Front Wiper Function Select Circuit

Common Causes of B3922

  1. Faulty wiper switch
  2. Defective wiper motor
  3. Damaged wiring or connectors
  4. Malfunctioning control module
  5. Corrosion or water damage in the wiper system

Symptoms of B3922

  1. Front wipers not responding to switch commands
  2. Front wipers operating at incorrect speed settings
  3. Front wipers not stopping in the correct position
  4. Intermittent operation of front wipers
  5. Washer fluid not spraying onto the windshield when activated

How to Fix B3922

  1. Begin by conducting a thorough inspection of the front wiper system, including the wiper switch, motor, wiring, and control module.
  2. Test each component individually to identify the faulty part causing the issue.
  3. Replace any damaged or defective components, such as the wiper switch, motor, wiring harness, or control module.
  4. Clear any corrosion or water damage in the wiper system to ensure proper functionality.
  5. Test the front wipers after repairs to verify that the issue has been resolved and the system is operating correctly.

Cost to Fix B3922

The typical repair costs for resolving the Front Wiper Function Select Circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair costs for addressing this issue can range from $150 to $500, but it's advisable to obtain a more accurate estimate by consulting with a local auto repair shop. Remember that rates for diagnosis time and labor can vary based on factors such as location, vehicle make and model, and the type of engine.

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Code B3922 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 B3922 Code

1. What are the common symptoms of OBDII code B3922 - Front Wiper Function Select Circuit?

- The common symptoms include malfunctioning front wipers, wipers not responding to control inputs, or intermittent wiper operation.

2. What can cause the OBDII code B3922 to trigger?

- The code B3922 is typically triggered by a fault in the front wiper function select circuit, which could be caused by damaged wiring, a faulty wiper switch, or a defective wiper motor.

3. How can I diagnose the issue related to OBDII code B3922?

- To diagnose the issue, you can start by checking the wiring connections, inspecting the wiper switch for any damage, and testing the wiper motor for proper functioning using a multimeter.

4. Are there any DIY repair tips for fixing OBDII code B3922?

- DIY repair tips include checking and repairing any damaged wiring, replacing a faulty wiper switch if needed, or replacing the wiper motor if it is found to be defective.

5. Can OBDII code B3922 be a safety concern?

- Yes, OBDII code B3922 can be a safety concern as malfunctioning front wipers can impair visibility during inclement weather conditions, increasing the risk of accidents.

6. Is it safe to continue driving with OBDII code B3922 unresolved?

- It is not recommended to continue driving with OBDII code B3922 unresolved, as it can compromise your ability to clear your windshield effectively, especially in adverse weather conditions.

7. How much does it typically cost to repair OBDII code B3922?

- The cost of repairing OBDII code B3922 can vary depending on the specific cause of the issue, but it may involve expenses for parts replacement and labor costs, which could range from a few hundred to a thousand dollars.

8. Can a professional mechanic help with diagnosing and repairing OBDII code B3922?

- Yes, a professional mechanic with experience in automotive electrical systems can help diagnose and repair OBDII code B3922 efficiently, ensuring that the underlying issue is properly addressed.

9. Will resetting the OBDII system clear the B3922 code?

- Resetting the OBDII system may temporarily clear the B3922 code, but if the underlying issue causing the fault in the front wiper function select circuit is not addressed, the code is likely to reappear.

10. Are there any preventive measures to avoid encountering OBDII code B3922 in the future?

- To prevent encountering OBDII code B3922 in the future, it is advisable to regularly inspect and maintain the front wiper system, including checking wiring connections, ensuring proper wiper switch functionality, and lubricating the wiper mechanism as needed.

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