AutoCodes – Nissan – B1731 Nissan

B1731 Nissan Code - Soft Top Hydraulic State 1

Quick Answer

The OBDII code sets when the soft top operation is not detected after 15 seconds or more of operation. Common causes include Faulty Soft Top System Component. 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: B1731 Nissan indicates Soft Top Hydraulic State 1.
Common causes: Common causes include Faulty Soft Top System Component.
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 2,889

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 Jun 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1731 Nissan Description

The OBDII code sets when the soft top operation is not detected after 15 seconds or more of operation.

OBDII Code B1731 Nissan - Soft Top Hydraulic State 1 - AutoCodes.com — B1731 Nissan Code - Soft Top Hydraulic State 1

What does this mean?

What are the Possible Causes of the DTC B1731 Nissan?

Faulty Soft Top System Component

How to Fix the DTC B1731 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 B1731 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 B1731 Nissan code?

Need more information on how to fix the B1731 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1731 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 B1731 Nissan Code

1. What are the common symptoms of OBDII code B1731 in a Nissan related to the Soft Top Hydraulic State 1?

The common symptoms include the soft top not operating correctly, failure to open or close completely, and warning lights on the dashboard related to the convertible top system.

2. What could cause the OBDII code B1731 in a Nissan indicating an issue with the Soft Top Hydraulic State 1?

The code B1731 typically indicates a problem with the soft top hydraulic system, such as low hydraulic fluid levels, a malfunctioning hydraulic pump, damaged hydraulic lines, or faulty sensors.

3. How can I diagnose the OBDII code B1731 related to the Soft Top Hydraulic State 1 in my Nissan?

Diagnosis involves checking the hydraulic fluid level, inspecting the hydraulic pump and lines for any leaks or damage, and using a diagnostic scanner to read and clear the code for further testing if needed.

4. Can I reset the OBDII code B1731 in my Nissan without fixing the issue with the Soft Top Hydraulic State 1?

Resetting the code without addressing the underlying issue may temporarily turn off the warning light, but the problem will persist, and the code is likely to return until the root cause is resolved.

5. Are there any DIY repair tips for fixing the OBDII code B1731 in a Nissan related to the Soft Top Hydraulic State 1?

DIY repair tips may include checking and refilling the hydraulic fluid, inspecting for visible leaks, ensuring the hydraulic pump is functioning properly, and verifying the sensors are connected and working correctly.

6. How serious is the OBDII code B1731 indicating a problem with the Soft Top Hydraulic State 1 in a Nissan?

While the code itself may not directly impact the drivability of the vehicle, ignoring the soft top hydraulic system issue can lead to potential safety concerns, damage to the convertible top mechanism, and inconvenience in operating the soft top.

7. Can I drive my Nissan with the OBDII code B1731 related to the Soft Top Hydraulic State 1 illuminated?

It is generally not recommended to drive the vehicle with the code B1731 active, as it indicates a problem with the soft top hydraulic system that may affect the convertible top's operation and safety.

8. How much does it typically cost to repair the OBDII code B1731 in a Nissan associated with the Soft Top Hydraulic State 1?

The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for hydraulic fluid, replacement parts, labor, and diagnostic fees from a professional mechanic or dealership.

9. Can extreme weather conditions affect the occurrence of the OBDII code B1731 in a Nissan related to the Soft Top Hydraulic State 1?

Extreme weather conditions, such as temperature fluctuations or exposure to moisture, can potentially impact the soft top hydraulic system components and contribute to issues that trigger the B1731 trouble code.

10. Is it recommended to seek professional help for diagnosing and repairing the OBDII code B1731 in a Nissan related to the Soft Top Hydraulic State 1?

Given the complexity of the soft top hydraulic system and the potential safety implications, it is advisable to consult a qualified mechanic or dealership specializing in convertible top repairs to accurately diagnose and address the issue.