AutoCodes – Generic – B1284

B1284 Code - Front Wiper Switch HIGH Position Circuit Malfunction

Quick Answer

The Multiplex Integrated Control Unit (MICU) monitors the Front Wiper Switch Position. Common causes include Faulty Front Wiper Switch, Front Wiper Switch harness is open or shorted, Front Wiper Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B1284 indicates Front Wiper Switch HIGH Position Circuit Malfunction.
Common causes: Common causes include Faulty Front Wiper Switch, Front Wiper Switch harness is open or shorted, Front Wiper Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 5,654

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1284 Description

The Multiplex Integrated Control Unit (MICU) monitors the Front Wiper Switch Position. The MICU sets the OBDII code when the Front Wiper Switch Position is not to factory specifications.

OBDII Code B1284 - Front Wiper Switch HIGH Position Circuit Malfunction - AutoCodes.com — B1284 Code - Front Wiper Switch HIGH Position Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B1284?

Faulty Front Wiper Switch
Front Wiper Switch harness is open or shorted
Front Wiper Switch circuit poor electrical connection
Faulty Multiplex Integrated Control Unit (MICU)

How to Fix the DTC B1284?

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 B1284 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 B1284 code?

Need more information on how to fix the B1284 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1284 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1284 Acura — Front Wiper Switch HIGH Position Circuit Malfunction
B1284 Honda — Front Wiper Switch HIGH Position Circuit Malfunction

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 B1284 Code

1. What are the common symptoms of OBDII code B1284 (Front Wiper Switch HIGH Position Circuit Malfunction)?

The common symptoms include the front wipers not working in the high-speed setting, erratic wiper operation, or the wipers getting stuck in one position.

2. What are the possible causes of OBDII code B1284?

Possible causes of this code include a faulty front wiper switch, damaged wiring or connectors in the wiper circuit, or a problem with the wiper motor itself.

3. How can I diagnose the Front Wiper Switch HIGH Position Circuit Malfunction?

Diagnosing this issue typically involves checking the front wiper switch for proper operation, inspecting the wiring and connectors for damage, and testing the wiper motor for functionality.

4. Can I continue driving my vehicle with OBDII code B1284?

It is not recommended to drive with this code present, as it can lead to issues with visibility during inclement weather conditions. It is best to address the problem promptly.

5. How can I repair OBDII code B1284?

To repair this code, you may need to replace the front wiper switch, repair any damaged wiring or connectors, or replace the wiper motor if necessary.

6. Will resetting the OBDII code B1284 clear the issue?

Simply resetting the code may temporarily clear the warning, but the underlying issue causing the malfunction will need to be addressed to prevent the code from reoccurring.

7. Can a DIY enthusiast fix OBDII code B1284 at home?

Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue at home. However, professional help may be needed for more complex repairs.

8. Is it safe to ignore OBDII code B1284 if the wipers are still working?

While the wipers may still be operational, ignoring this code can lead to further electrical issues and potential safety concerns. It is best to address the problem to ensure proper wiper function.

9. Are there any preventive measures to avoid OBDII code B1284 in the future?

Regularly inspecting the wiper system, avoiding harsh weather conditions, and promptly addressing any wiper-related issues can help prevent the occurrence of this code in the future.

10. How long does it typically take to repair OBDII code B1284?

The repair time can vary depending on the specific cause of the malfunction and the complexity of the repair. It could take anywhere from a few hours to a full day to address the issue successfully.