AutoCodes – Nissan – B2552 Nissan

B2552 Nissan Code - Intelligent Key

Quick Answer

The Diagnostic Trouble Code (DTC) B2552 Intelligent Key unit internal malfunction judges NG by self-detecting the Intelligent Key unit internal malfunction. Common causes include Faulty Intelligent Key Unit. 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: B2552 Nissan indicates Intelligent Key.
Common causes: Common causes include Faulty Intelligent Key Unit.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,011

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 Dec 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B2552 Nissan Description

The Diagnostic Trouble Code (DTC) B2552 Intelligent Key unit internal malfunction judges NG by self-detecting the Intelligent Key unit internal malfunction. If this DTC is displayed, replace the Intelligent Key unit and perform the specified registration procedure.

OBDII Code B2552 Nissan - Intelligent Key - AutoCodes.com — B2552 Nissan Code - Intelligent Key

What does this mean?

What are the Possible Causes of the DTC B2552 Nissan?

Faulty Intelligent Key Unit

How to Fix the DTC B2552 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 B2552 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.

Need more information about the B2552 Nissan code?

Need more information on how to fix the B2552 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2552 Nissan 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 B2552 Nissan Code

1. What does the OBDII code B2552 for Nissan Intelligent Key mean?

The code B2552 indicates a malfunction with the Nissan Intelligent Key system.

2. What are common symptoms of OBDII code B2552 in a Nissan vehicle?

Common symptoms include issues with the keyless entry system, difficulty starting the vehicle, and warning lights on the dashboard.

3. What are possible causes of the B2552 code in a Nissan related to the Intelligent Key system?

Potential causes include a faulty Intelligent Key fob, issues with the keyless entry receiver, or problems with the vehicle's immobilizer system.

4. How can I diagnose the B2552 code in a Nissan Intelligent Key system?

Diagnosis typically involves using a scan tool to retrieve the specific error code, checking the battery in the Intelligent Key fob, and inspecting the keyless entry system components for any visible damage.

5. Can I repair the B2552 code in a Nissan Intelligent Key system myself?

Some simple repairs, such as replacing the battery in the Intelligent Key fob, can be done at home. However, more complex issues may require professional diagnosis and repair.

6. Are there any tips for preventing the B2552 OBDII code from recurring in a Nissan Intelligent Key system?

Regularly checking the battery in the Intelligent Key fob, keeping the key fob away from electronic interference, and avoiding physical damage to the keyless entry components can help prevent the code from reoccurring.

7. How important is it to address the B2552 code in a Nissan Intelligent Key system promptly?

Addressing the code promptly is essential to ensure the proper functioning of the keyless entry system and the vehicle's immobilizer system, which are crucial for vehicle security and operation.

8. Can the B2552 code in a Nissan Intelligent Key system cause any safety concerns?

While the code itself may not pose immediate safety risks, it can result in inconvenience and potential security vulnerabilities if not addressed promptly.

9. Is it common for the B2552 code to reappear after being cleared from a Nissan's OBDII system?

If the underlying issue causing the code is not properly resolved, it is possible for the B2552 code to reappear in the Nissan's OBDII system.

10. Can I still drive my Nissan if the B2552 code related to the Intelligent Key system is present?

In some cases, you may still be able to drive the vehicle with the code present, but it is recommended to address the issue as soon as possible to prevent any further complications or system failures.