Engine-CodesNissan – B171B Nissan

B171B Nissan Code - Soft Top Hydraulic Pump Right

Quick Answer

The B171B Nissan code specifically refers to an issue with the soft top hydraulic pump on the right side of the vehicle. Common causes include Malfunctioning hydraulic pump motor, Hydraulic fluid leak in the system, Faulty hydraulic pump control module. 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
B171B Nissan indicates Soft Top Hydraulic Pump Right.
Common causes
Common causes include Malfunctioning hydraulic pump motor, Hydraulic fluid leak in the system, Faulty hydraulic pump control module.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B171B Nissan Description

The B171B Nissan code specifically refers to an issue with the soft top hydraulic pump on the right side of the vehicle. In vehicles equipped with a power-operated convertible soft top, the hydraulic pump is responsible for providing the necessary pressure to operate the system smoothly. When this code is triggered, it indicates a problem with the hydraulic pump on the right side, which can lead to malfunctions in the soft top operation.

OBDII Code B171B Nissan - Soft Top Hydraulic Pump Right
B171B Nissan Code - Soft Top Hydraulic Pump Right

Common Causes of B171B Nissan

  1. Malfunctioning hydraulic pump motor
  2. Hydraulic fluid leak in the system
  3. Faulty hydraulic pump control module
  4. Electrical issues in the soft top system
  5. Wear and tear on hydraulic pump components

Symptoms of B171B Nissan

  1. Soft top fails to open or close completely
  2. Unusual noise coming from the soft top hydraulic pump
  3. Soft top operates slowly or inconsistently
  4. Soft top gets stuck halfway during operation
  5. Dashboard warning light related to convertible top system

How to Fix B171B Nissan

  1. Diagnose the issue by using a scan tool to read the B171B code and inspecting the soft top hydraulic pump and related components.
  2. Repair or replace the faulty hydraulic pump motor, if necessary.
  3. Check for and repair any leaks in the hydraulic system and refill with the appropriate hydraulic fluid.
  4. Test the soft top operation to ensure proper functionality.
  5. Clear the diagnostic trouble codes and reset the system to ensure the issue has been resolved.

Cost to Fix B171B Nissan

The cost of repairing a B171B Nissan code related to the soft top hydraulic pump right can vary depending on the extent of the issue and the specific repairs needed. In general, the cost can range from $300 to $800 for parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from different shops to get a more accurate estimate. Keep in mind that rates may be higher at dealerships and metropolitan areas, while independent shops may offer more competitive prices.

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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 B171B Nissan Code

1. What are the common symptoms of OBDII code B171B Nissan related to the Soft Top Hydraulic Pump Right?

The common symptoms include a malfunctioning convertible soft top, slow or uneven operation of the soft top, and unusual noises coming from the hydraulic pump.

2. What are the possible causes of OBDII code B171B Nissan for the Soft Top Hydraulic Pump Right?

The code B171B can be triggered by issues such as low hydraulic fluid levels, a faulty hydraulic pump motor, damaged hydraulic lines, or electrical wiring problems.

3. How can I diagnose the OBDII code B171B Nissan for the Soft Top Hydraulic Pump Right?

Diagnosing this code involves checking the hydraulic fluid level, inspecting the hydraulic pump and lines for leaks or damage, testing the pump motor's functionality, and scanning for any related electrical faults.

4. Can I still operate my convertible with the OBDII code B171B Nissan present for the Soft Top Hydraulic Pump Right?

It is not recommended to operate the convertible with this code present, as it may lead to further damage to the hydraulic system or the soft top mechanism.

5. How can I repair OBDII code B171B Nissan related to the Soft Top Hydraulic Pump Right?

Repairing the code B171B involves addressing the specific cause of the issue, which may include refilling hydraulic fluid, replacing a faulty pump motor, repairing damaged hydraulic lines, or fixing electrical wiring problems.

6. Is it safe to drive my vehicle with the OBDII code B171B Nissan indicating a problem with the Soft Top Hydraulic Pump Right?

It is best to avoid driving the vehicle with this issue, as it can affect the operation of the convertible soft top and potentially cause safety hazards or further damage.

7. Can I reset the OBDII code B171B Nissan for the Soft Top Hydraulic Pump Right on my own?

Resetting the code may temporarily clear the warning light, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

8. How often should I check the hydraulic system of my convertible to prevent OBDII code B171B Nissan from appearing?

Regularly inspecting the hydraulic system, including checking fluid levels and listening for unusual sounds during operation, can help prevent issues that trigger the B171B code.

9. Are there any maintenance tips to prevent OBDII code B171B Nissan in the Soft Top Hydraulic Pump Right?

Routine maintenance, such as keeping the hydraulic fluid at the correct level, lubricating moving parts, and avoiding excessive strain on the soft top mechanism, can help prevent issues leading to the B171B code.

10. Can a DIY enthusiast repair OBDII code B171B Nissan for the Soft Top Hydraulic Pump Right, or is professional help recommended?

While some basic checks and maintenance tasks can be done by a DIY enthusiast, diagnosing and repairing complex issues related to the B171B code may require professional help from a mechanic specializing in convertible soft tops.

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