AutoCodes – Nissan – U0284 Nissan

U0284 Nissan Code - Lost Communication With Lost Communication With Active Grille Air Shutter Module 'A'

Quick Answer

The Active Grille Air Shutter actuator closes louvers at the front bumper to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front end airflow are not required. Common causes include Faulty Active Grille Air Shutter Module 'A', Active Grille Air Shutter Module 'A' harness is open or shorted, Active Grille Air Shutter Module 'A' 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: U0284 Nissan indicates Lost Communication With Lost Communication With Active Grille Air Shutter Module 'A'.
Common causes: Common causes include Faulty Active Grille Air Shutter Module 'A', Active Grille Air Shutter Module 'A' harness is open or shorted, Active Grille Air Shutter Module 'A' 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 26,965

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 Apr 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0284 Nissan Description

The Active Grille Air Shutter actuator closes louvers at the front bumper to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front end airflow are not required. If high levels of airflow are required the active grille air shutter actuator opens the louvers. The control signal from the chassis control module, ignition and ground circuits enable the active grille air shutter actuator to operate. If the conditions for opening the louvers are reached the chassis control module commands the active grille air shutter actuator to open the louvers.

OBDII Code U0284 Nissan - Lost Communication With Lost Communication With Active Grille Air Shutter Module 'A' - AutoCodes.com — U0284 Nissan Code - Lost Communication With Lost Communication With Active Grille Air Shutter Module 'A'

What does this mean?

What are the Possible Causes of the DTC U0284 Nissan?

Faulty Active Grille Air Shutter Module 'A'
Active Grille Air Shutter Module 'A' harness is open or shorted
Active Grille Air Shutter Module 'A' circuit poor electrical connection

How to Fix the DTC U0284 Nissan?

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 U0284 Nissan 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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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 U0284 Nissan Code

1. What are the common symptoms of OBDII code U0284 in a Nissan related to "Lost Communication With Active Grille Air Shutter Module 'A'"?

- Common symptoms include the check engine light illuminating, reduced fuel efficiency, engine performance issues, and possible problems with the active grille air shutter system.

2. What are the possible causes of OBDII code U0284 in a Nissan?

- Possible causes include a faulty active grille air shutter module, damaged wiring or connectors, loose connections, or issues with the vehicle's network communication system.

3. How can I diagnose the issue causing OBDII code U0284 in my Nissan?

- Diagnose the issue by checking the wiring and connectors for any damage, ensuring proper connections to the active grille air shutter module, and using a diagnostic scan tool to identify communication errors.

4. What are the repair options for fixing OBDII code U0284 in a Nissan?

- Repair options include replacing the faulty active grille air shutter module, repairing damaged wiring or connectors, ensuring proper connections, and clearing the error code with a diagnostic tool.

5. Can I drive my Nissan with OBDII code U0284 present?

- It is generally not recommended to drive with this code present, as it may affect the vehicle's performance and fuel efficiency. It's best to address the issue promptly to prevent further damage.

6. Is OBDII code U0284 in a Nissan easy to repair at home?

- Repairing this code at home may be possible for those with experience in automotive diagnostics and repair. However, it may be best to consult a professional mechanic for accurate diagnosis and repair.

7. How much does it cost to fix OBDII code U0284 in a Nissan?

- The cost of fixing this code can vary depending on the root cause of the issue, parts needed for repair, and labor costs. It's advisable to get quotes from different repair shops for an accurate estimate.

8. Can a disconnected battery reset OBDII code U0284 in a Nissan?

- Disconnecting the battery may temporarily clear the error code, but it is not a permanent solution. The underlying issue causing the code will need to be diagnosed and repaired to prevent it from reoccurring.

9. How long does it take to repair OBDII code U0284 in a Nissan?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair needed. It could take anywhere from a few hours to a full day to diagnose and fix the problem.

10. Will fixing OBDII code U0284 improve my Nissan's performance and fuel efficiency?

- Yes, addressing this code and ensuring proper communication with the active grille air shutter module can help improve your Nissan's performance and fuel efficiency by allowing the system to function correctly.