AutoCodes – Generic – B284A

B284A Code - Passenger Blind Spot Warning Light Control Circuit Low

Quick Answer

When the Passenger Blind Spot Indicator circuit senses an open circuit for over 55 ms., this code will set. Common causes include Faulty Passenger Mirror Assembly, Passenger Mirror harness is open or shorted, Passenger Mirror 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: B284A indicates Passenger Blind Spot Warning Light Control Circuit Low.
Common causes: Common causes include Faulty Passenger Mirror Assembly, Passenger Mirror harness is open or shorted, Passenger Mirror 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 1,609

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 Feb 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B284A Description

When the Passenger Blind Spot Indicator circuit senses an open circuit for over 55 ms., this code will set.

OBDII Code B284A - Passenger Blind Spot Warning Light Control Circuit Low - AutoCodes.com — B284A Code - Passenger Blind Spot Warning Light Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B284A?

Faulty Passenger Mirror Assembly
Passenger Mirror harness is open or shorted
Passenger Mirror circuit poor electrical connection
Faulty Passenger Door Module (PDM)

How to Fix the DTC B284A?

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 B284A 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.

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Information for Specific Makes

B284A Chrysler — Passenger Blind Spot Warning Light Control Circuit Low
B284A Dodge — Passenger Blind Spot Warning Light Control Circuit Low
B284A Jeep — Passenger Blind Spot Warning Light Control Circuit Low
B284A RAM — Passenger Blind Spot Warning Light Control Circuit 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 B284A Code

1. What are the common symptoms of OBDII code B284A (Passenger Blind Spot Warning Light Control Circuit Low)?

The common symptoms include the passenger blind spot warning light not working properly or staying illuminated on the dashboard.

2. What are the possible causes of OBDII code B284A?

Possible causes of this code may include a faulty blind spot warning light control module, damaged wiring or connectors, or a malfunctioning blind spot sensor.

3. How can I diagnose the cause of OBDII code B284A?

Diagnosing the cause of this code typically involves inspecting the wiring and connectors related to the blind spot warning system, testing the control module, and checking the blind spot sensor for proper functionality.

4. Can a DIY enthusiast repair OBDII code B284A at home?

While some basic troubleshooting steps can be performed at home, diagnosing and repairing this code may require specialized tools and expertise. It is advisable to seek assistance from a professional mechanic.

5. Is it safe to drive with OBDII code B284A present?

Driving with this code may not pose an immediate safety risk, but it is recommended to address the issue promptly to ensure the proper functioning of the blind spot warning system.

6. How much does it typically cost to repair OBDII code B284A?

The cost of repairing this code can vary depending on the underlying cause. It is advisable to obtain a diagnostic from a mechanic to get an accurate estimate.

7. Can a low battery voltage trigger OBDII code B284A?

Yes, a low battery voltage or electrical issues in the vehicle can sometimes trigger this code. Ensuring the vehicle's electrical system is in good condition is important for diagnosing such issues.

8. Are there any recalls related to OBDII code B284A for specific vehicle models?

Recalls related to this specific OBDII code may vary by vehicle manufacturer. It is recommended to check with the vehicle manufacturer or a dealership for any relevant recalls.

9. How long does it typically take to repair OBDII code B284A?

The repair time for this code can vary depending on the cause and the complexity of the issue. Some repairs may be completed within a few hours, while others may take longer.

10. Can resetting the vehicle's computer clear OBDII code B284A permanently?

Resetting the vehicle's computer may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the code for a permanent fix.