AutoCodes – Chevrolet – B2177 Chevrolet

B2177 Chevrolet Code - Power Seat Switch Circuit

Quick Answer

The seat adjuster switch signal circuits are supplied 12 volts through resistors within the Memory Seat Module. Common causes include Faulty Power Seat Switch, Power Seat Switch harness is open or shorted, Power Seat Switch 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: B2177 Chevrolet indicates Power Seat Switch Circuit.
Common causes: Common causes include Faulty Power Seat Switch, Power Seat Switch harness is open or shorted, Power Seat Switch 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 601

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 Sep 22, 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 B2177 Chevrolet Description

The seat adjuster switch signal circuits are supplied 12 volts through resistors within the Memory Seat Module. When a seat adjuster switch is pressed the signal circuit is grounded. Closing the signal circuit to ground pulls the signal circuit voltage low indicating to the Memory Seat Module the switch status is active. The OBDII code is set when a seat adjuster switch input to the Memory Seat Module is active for more than 20 seconds.

OBDII Code B2177 Chevrolet - Power Seat Switch Circuit - AutoCodes.com — B2177 Chevrolet Code - Power Seat Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B2177 Chevrolet?

Faulty Power Seat Switch
Power Seat Switch harness is open or shorted
Power Seat Switch circuit poor electrical connection
Faulty Memory Seat Module

How to Fix the DTC B2177 Chevrolet?

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 B2177 Chevrolet 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 B2177 Chevrolet code?

Need more information on how to fix the B2177 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2177 Chevrolet 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 B2177 Chevrolet Code

1. What are the common symptoms of OBDII code B2177 in a Chevrolet related to the Power Seat Switch Circuit?

- Common symptoms include non-functional power seat controls, inability to adjust the seat position, and potential seat movement issues.

2. What can cause the OBDII code B2177 Power Seat Switch Circuit in a Chevrolet?

- The code can be triggered by a malfunctioning power seat switch, damaged wiring or connectors, a faulty power seat motor, or a blown fuse.

3. How can I diagnose the OBDII code B2177 related to the Power Seat Switch Circuit in my Chevrolet?

- You can start by checking the power seat fuse, inspecting the wiring and connectors for any damage, testing the power seat switch for proper functionality, and ensuring the power seat motor is working correctly.

4. Is it safe to continue driving my Chevrolet with the OBDII code B2177 Power Seat Switch Circuit illuminated?

- While it may be safe to drive, it is not recommended as the power seat functionality may be compromised, affecting your comfort and driving position.

5. How can I reset the OBDII code B2177 related to the Power Seat Switch Circuit in my Chevrolet?

- To reset the code, you can use an OBDII scanner to clear the code after addressing the underlying issue with the power seat switch circuit.

6. Can I repair the OBDII code B2177 Power Seat Switch Circuit in my Chevrolet myself?

- Depending on your automotive repair skills, you may be able to repair the issue yourself by identifying the root cause, replacing faulty components, and ensuring proper electrical connections.

7. Are there any common DIY fixes for the OBDII code B2177 in a Chevrolet associated with the Power Seat Switch Circuit?

- DIY fixes may include checking and replacing blown fuses, repairing damaged wiring, cleaning corroded connectors, and testing the power seat switch for continuity.

8. What is the typical cost to repair the OBDII code B2177 Power Seat Switch Circuit in a Chevrolet at a professional mechanic or dealership?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a professional repair facility.

9. How urgent is it to address the OBDII code B2177 related to the Power Seat Switch Circuit in my Chevrolet?

- While it may not be a critical issue for immediate safety, addressing the problem promptly is recommended to ensure proper functioning of the power seat controls and overall comfort while driving.

10. Can the OBDII code B2177 Power Seat Switch Circuit in a Chevrolet be a recurring problem even after repair?

- If the root cause of the issue is not properly diagnosed and addressed, the code may reappear, leading to continued problems with the power seat switch circuit.