AutoCodes – Chevrolet – B2187 Chevrolet

B2187 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
B2187 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 677
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 22, 2019
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Code B2187 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 B2187 Chevrolet - Power Seat Switch Circuit - AutoCodes.com
B2187 Chevrolet Code - Power Seat Switch Circuit

What are the Possible Causes of the DTC B2187 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 B2187 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 B2187 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.

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Get the B2187 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 B2187 Chevrolet Code

1. What are the common symptoms of OBDII code B2187 in a Chevrolet related to the power seat switch circuit?

- Common symptoms include non-functional power seat adjustments, inability to move the seat forward/backward, up/down, or tilt, and possible loss of power to the seat altogether.

2. What are the typical causes of OBDII code B2187 in a Chevrolet's power seat switch circuit?

- The code B2187 in a Chevrolet's power seat switch circuit is often caused by a faulty power seat switch, damaged wiring or connectors, a blown fuse, or issues with the power seat control module.

3. How can I diagnose the OBDII code B2187 related to the power seat switch circuit in my Chevrolet?

- Use a diagnostic scanner to retrieve the specific fault code B2187. Inspect the power seat switch, wiring, and connectors for any visible damage. Check the fuse related to the power seat for continuity. Consider seeking professional help for a more thorough diagnosis.

4. What repair tips can help fix OBDII code B2187 in a Chevrolet's power seat switch circuit?

- Start by checking and replacing any blown fuses related to the power seat. Inspect the power seat switch for proper function and replace it if necessary. Ensure all wiring and connectors are intact and properly connected. If the issue persists, consult a mechanic for further diagnosis and repair.

5. Can a DIY enthusiast fix OBDII code B2187 in a Chevrolet's power seat switch circuit?

- DIY enthusiasts with basic automotive repair skills can attempt to fix code B2187 by checking fuses, inspecting wiring, and replacing the power seat switch. More complex issues may require professional diagnosis and repair.

6. Is it safe to drive my Chevrolet with OBDII code B2187 affecting the power seat switch circuit?

- While the vehicle is technically safe to drive with this code, the power seat functions may not work properly, affecting driver comfort and convenience. It's recommended to address the issue promptly to restore full functionality to the power seat.

7. Can a simple reset of the vehicle's computer clear OBDII code B2187 in a Chevrolet?

- A simple reset may temporarily clear the code, but if the underlying issue such as a faulty power seat switch or wiring problem persists, the code is likely to return. It's best to diagnose and fix the root cause of the problem for a permanent solution.

8. How much does it typically cost to repair OBDII code B2187 in a Chevrolet's power seat switch circuit?

- The cost of repairing code B2187 can vary depending on the specific cause of the issue. Simple fixes like replacing a fuse or power seat switch can be relatively inexpensive, while more complex wiring or module repairs may cost more. Consider getting estimates from a mechanic for an accurate cost.

9. Are there any recalls or technical service bulletins related to OBDII code B2187 in Chevrolet vehicles?

- It's recommended to check with Chevrolet dealerships or online databases for any recalls or technical service bulletins related to OBDII code B2187 in your specific Chevrolet model. Manufacturers sometimes issue recalls or service bulletins to address common issues like this.

10. Can weather conditions or environmental factors trigger OBDII code B2187 in a Chevrolet's power seat switch circuit?

- While weather conditions or environmental factors are unlikely to directly trigger this specific code, extreme temperatures or moisture can potentially exacerbate pre-existing issues with the power seat switch, wiring, or connectors. It's important to ensure all components are properly sealed and protected from such conditions.

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