AutoCodes – Generic – B177C

B177C Code - Soft Top Thermo Protection

Quick Answer

The Soft Top Control Unit sets the OBDII code when the soft top system is operated continuously. Common causes include Soft top system is operated continuously, Faulty Soft Top Control Unit, Soft Top Control Unit harness is open or shorted. 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: B177C indicates Soft Top Thermo Protection.
Common causes: Common causes include Soft top system is operated continuously, Faulty Soft Top Control Unit, Soft Top Control Unit harness is open or shorted.
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 699

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 B177C Description

The Soft Top Control Unit sets the OBDII code when the soft top system is operated continuously.

OBDII Code B177C - Soft Top Thermo Protection - AutoCodes.com — B177C Code - Soft Top Thermo Protection

What does this mean?

What are the Possible Causes of the DTC B177C?

Soft top system is operated continuously
Faulty Soft Top Control Unit
Soft Top Control Unit harness is open or shorted
Soft Top Control Unit circuit poor electrical connection

How to Fix the DTC B177C?

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 B177C 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 B177C code?

Need more information on how to fix the B177C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B177C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B177C Nissan — Soft Top Thermo Protection

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 B177C Code

1. What does OBDII code B177C Soft Top Thermo Protection indicate?

- This code typically indicates a malfunction related to the soft top thermo protection system in the vehicle.

2. What are the common symptoms of OBDII code B177C Soft Top Thermo Protection?

- Common symptoms include issues with the operation of the convertible soft top, such as failure to open or close properly.

3. What are some possible causes of OBDII code B177C Soft Top Thermo Protection?

- Causes may include a faulty soft top thermo protection sensor, wiring issues, or a malfunction in the control module.

4. How can I diagnose OBDII code B177C Soft Top Thermo Protection?

- Diagnosis usually involves using a scan tool to read the code, inspecting the soft top components, and testing the sensor for proper functionality.

5. How can I repair OBDII code B177C Soft Top Thermo Protection?

- Repair may involve replacing the faulty sensor, repairing any damaged wiring, or reprogramming the control module to resolve the issue.

6. Can I continue driving with OBDII code B177C Soft Top Thermo Protection?

- It is generally not recommended to continue driving with this code unresolved, as it may lead to further damage or safety issues with the convertible top.

7. How much does it cost to fix OBDII code B177C Soft Top Thermo Protection?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can OBDII code B177C Soft Top Thermo Protection be a DIY fix?

- Simple tasks like checking for loose connections or replacing a sensor may be DIY-friendly, but more complex repairs involving control modules or wiring should be done by a professional.

9. Are there any maintenance tips to prevent OBDII code B177C Soft Top Thermo Protection from recurring?

- Keeping the convertible top clean and well-lubricated, and addressing any issues promptly, can help prevent the recurrence of this code.

10. Is OBDII code B177C Soft Top Thermo Protection a common issue in specific vehicle models?

- This code is more commonly reported in vehicles with convertible soft tops that are equipped with thermo protection systems, but the prevalence may vary among different makes and models.