AutoCodes – Cadillac – B2177 Cadillac

B2177 Cadillac 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 Cadillac 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.

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Code Popularity 636

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
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Code B2177 Cadillac 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 Cadillac - Power Seat Switch Circuit - AutoCodes.com — B2177 Cadillac Code - Power Seat Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B2177 Cadillac?

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 Cadillac?

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 Cadillac 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.

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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 B2177 Cadillac Code

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

The common symptoms include malfunctioning power seat controls, inability to adjust the seat position, or erratic movements of the power seat.

2. What are the possible causes of OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

Potential causes include a faulty power seat switch, damaged wiring or connectors in the seat circuit, or a malfunction in the power seat control module.

3. How can I diagnose OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

You can diagnose the issue by checking the power seat switch for proper functionality, inspecting the wiring and connectors for any damage, and using a diagnostic scanner to read the error codes stored in the power seat control module.

4. Can a DIY enthusiast repair OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

Depending on the cause of the issue, DIY enthusiasts with some experience in automotive electrical systems may be able to repair the problem by replacing the faulty power seat switch, repairing damaged wiring, or addressing connector issues.

5. Is it safe to continue driving with OBDII code B2177 Cadillac related to the Power Seat Switch Circuit?

While the vehicle is technically safe to drive with this code, it is recommended to address the issue promptly to ensure the power seat functions correctly and to prevent further electrical problems.

6. How much does it typically cost to repair OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

The cost of repair can vary depending on the exact cause of the issue and whether you opt for DIY repairs or professional assistance. Costs may include parts, labor, and diagnostic fees.

7. Are there any preventative measures to avoid OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

To prevent this issue, regularly inspect the power seat controls for any signs of wear or damage, avoid putting excess pressure on the seat switches, and address any electrical problems promptly to prevent further issues.

8. Can environmental factors cause OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

Extreme temperatures, moisture, or debris can potentially damage the power seat switch circuit over time, leading to the occurrence of this OBDII code.

9. How long does it usually take to repair OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

The repair time can vary depending on the complexity of the issue, the availability of parts, and whether you choose to perform the repair yourself or seek professional assistance. It can range from a few hours to a full day.

10. Is it necessary to reset the OBDII system after repairing OBDII code B2177 Cadillac for the Power Seat Switch Circuit?

It is recommended to reset the OBDII system after repairing the issue to clear the error code and ensure that the power seat functions properly without any lingering faults.