AutoCodes – Generic – B177D

B177D Code - 5th Bow Latch Open Sensor

Quick Answer

The Soft Top Control Unit sets the OBDII code when the 5th Bow Latch Open Sensor circuit is open, short to ground or short to power. Common causes include Faulty 5th Bow Latch Open Sensor, 5th Bow Latch Open Sensor harness is open or shorted, 5th Bow Latch Open Sensor 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: B177D indicates 5th Bow Latch Open Sensor.
Common causes: Common causes include Faulty 5th Bow Latch Open Sensor, 5th Bow Latch Open Sensor harness is open or shorted, 5th Bow Latch Open Sensor 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.

Save to My Repairs My Repairs

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

Code Popularity 1,653

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 Oct 16, 2022

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 B177D Description

The Soft Top Control Unit sets the OBDII code when the 5th Bow Latch Open Sensor circuit is open, short to ground or short to power.

OBDII Code B177D - 5th Bow Latch Open Sensor - AutoCodes.com — B177D Code - 5th Bow Latch Open Sensor

What does this mean?

What are the Possible Causes of the DTC B177D?

Faulty 5th Bow Latch Open Sensor
5th Bow Latch Open Sensor harness is open or shorted
5th Bow Latch Open Sensor circuit poor electrical connection
Faulty Soft Top Control Unit

How to Fix the DTC B177D?

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 B177D 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 B177D code?

Need more information on how to fix the B177D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B177D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B177D Nissan — 5th Bow Latch Open Sensor

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 B177D Code

1. What does OBDII code B177D for the 5th Bow Latch Open Sensor mean?

- This code indicates an issue with the sensor that detects whether the 5th bow latch is open or closed in a convertible vehicle.

2. What are the common symptoms of a B177D code?

- Common symptoms include the convertible top not operating properly, warning lights on the dashboard, and potential issues with the roof's functionality.

3. What can cause the B177D code to trigger?

- The code can be triggered by a faulty 5th bow latch open sensor, wiring issues, a malfunctioning latch mechanism, or a problem with the convertible top control module.

4. How can I diagnose the cause of a B177D code?

- Diagnosis typically involves inspecting the 5th bow latch sensor, checking the wiring for any damage, testing the latch mechanism, and using a diagnostic scan tool to gather more information.

5. Can a DIY enthusiast repair a B177D code issue?

- While diagnosing the issue yourself is possible, repairing the problem may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. What are the repair options for a B177D code?

- Repair options may include replacing the 5th bow latch open sensor, repairing damaged wiring, fixing the latch mechanism, or reprogramming the convertible top control module.

7. How important is it to address a B177D code promptly?

- Ignoring the B177D code can lead to further damage to the convertible top system, potentially causing safety hazards or inconvenience when operating the convertible roof.

8. Can resetting the B177D code make it go away permanently?

- Resetting the code may clear it temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the problem persists.

9. Are there any preventive measures to avoid the B177D code from occurring?

- Regular maintenance of the convertible top system, including keeping the latches clean and lubricated, can help prevent issues that may trigger the B177D code.

10. How much does it typically cost to repair a B177D code?

- The cost of repair can vary depending on the exact cause of the B177D code, but it may involve parts replacement, wiring repairs, or module reprogramming, which can range from a few hundred to over a thousand dollars.