AutoCodes – Acura – B2986 Acura

B2986 Acura Code - Recirculation Control Motor Circuit Open

Quick Answer

The Climate Control Unit monitors the Recirculation Control Motor. Common causes include Faulty Recirculation Control Motor, Recirculation Control Motor harness is open or shorted, Recirculation Control 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: B2986 Acura indicates Recirculation Control Motor Circuit Open.
Common causes: Common causes include Faulty Recirculation Control Motor, Recirculation Control Motor harness is open or shorted, Recirculation Control 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 1,211

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 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2986 Acura Description

The Climate Control Unit monitors the Recirculation Control Motor. The Climate Control Unit sets the OBDII code when the Recirculation Control Motor is not to factory specifications.

OBDII Code B2986 Acura - Recirculation Control Motor Circuit Open - AutoCodes.com — B2986 Acura Code - Recirculation Control Motor Circuit Open

What does this mean?

What are the Possible Causes of the DTC B2986 Acura?

Faulty Recirculation Control Motor
Recirculation Control Motor harness is open or shorted
Recirculation Control Motor circuit poor electrical connection

How to Fix the DTC B2986 Acura?

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 B2986 Acura 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 B2986 Acura code?

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Get the B2986 Acura code diagnosed by a professional: Find a repair shop in your area

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 B2986 Acura Code

1. What are common symptoms of OBDII code B2986 (Acura) Recirculation Control Motor Circuit Open?

The common symptoms include the inability to control the air recirculation function in the HVAC system, inconsistent airflow direction, and possible issues with the heating or cooling performance.

2. What causes the OBDII code B2986 (Acura) Recirculation Control Motor Circuit Open?

This code is typically triggered by a malfunction in the recirculation control motor circuit, which can be caused by wiring issues, a faulty recirculation motor, blown fuse, or a problem with the HVAC control module.

3. How can I diagnose the Recirculation Control Motor Circuit Open issue?

Diagnosing the problem involves checking the wiring harness for any damages, testing the recirculation control motor for proper operation, inspecting fuses related to the HVAC system, and using a scan tool to retrieve the specific code.

4. Can I drive my Acura with the B2986 code present?

It is generally safe to drive your vehicle with the B2986 code, but it is recommended to get it diagnosed and repaired as soon as possible to avoid potential discomfort due to HVAC system malfunctions.

5. How can I repair the Recirculation Control Motor Circuit Open issue?

Repairing the issue may involve repairing or replacing damaged wiring, replacing the recirculation control motor if faulty, checking and replacing blown fuses, or recalibrating the HVAC system after the repairs.

6. Will resetting the OBDII code B2986 (Acura) make the issue go away?

Resetting the code may clear the warning light temporarily, but if the underlying issue causing the Recirculation Control Motor Circuit Open is not addressed, the code is likely to reappear.

7. Is the Recirculation Control Motor Circuit Open issue a common problem in Acura vehicles?

While not extremely common, issues with the recirculation control motor circuit can occur in Acura vehicles, especially in older models or those with high mileage.

8. Can a DIY enthusiast fix the B2986 code issue?

Depending on the root cause of the problem, some DIY enthusiasts with automotive repair experience may be able to diagnose and repair the Recirculation Control Motor Circuit Open issue. However, it is recommended to consult a professional if unsure.

9. How much does it cost to repair the B2986 code issue in an Acura?

The cost of repairing the Recirculation Control Motor Circuit Open issue can vary depending on the specific cause of the problem, the labor rates in your area, and whether any parts need to be replaced. It is advisable to get a few quotes from reputable repair shops.

10. Can the Recirculation Control Motor Circuit Open issue affect other systems in the car?

While the primary impact of this issue is on the HVAC system's recirculation function, it may indirectly affect the overall climate control performance and the comfort of the vehicle's occupants.