Engine-CodesBuick – C0187 Buick

C0187 Buick Code - Multi-Axis Acceleration Sensor Circuit

Quick Answer

The C0187 Buick code refers to a fault in the Multi-Axis Acceleration Sensor Circuit. Common causes include Faulty Multi-Axis Acceleration Sensor, Damaged wiring harness or connectors, Corrosion or poor electrical connections in the sensor circuit. 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
C0187 Buick indicates Multi-Axis Acceleration Sensor Circuit.
Common causes
Common causes include Faulty Multi-Axis Acceleration Sensor, Damaged wiring harness or connectors, Corrosion or poor electrical connections in the sensor circuit.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code C0187 Buick Description

The C0187 Buick code refers to a fault in the Multi-Axis Acceleration Sensor Circuit. This sensor is a crucial component in the vehicle's electronic stability control (ESC) system, which helps to maintain stability and prevent skidding during sudden maneuvers or slippery road conditions. The sensor measures acceleration along multiple axes, providing valuable data to the ESC system to make real-time adjustments to the vehicle's braking and engine power distribution.

OBDII Code C0187 Buick - Multi-Axis Acceleration Sensor Circuit
C0187 Buick Code - Multi-Axis Acceleration Sensor Circuit

Common Causes of C0187 Buick

  1. Faulty Multi-Axis Acceleration Sensor
  2. Damaged wiring harness or connectors
  3. Corrosion or poor electrical connections in the sensor circuit
  4. ECU malfunction or software issues
  5. Physical damage to the sensor due to impact or environmental factors

Symptoms of C0187 Buick

  1. Illuminated ESC or traction control warning light on the dashboard
  2. Loss of traction or stability control during driving
  3. Increased susceptibility to skidding or sliding, especially on slippery roads
  4. Erratic or unpredictable braking behavior
  5. Inconsistent acceleration response from the engine

How to Fix C0187 Buick

  1. Begin by conducting a thorough inspection of the Multi-Axis Acceleration Sensor and its associated wiring for any visible damage or corrosion.
  2. Use a multimeter to test the sensor's output signals and ensure they are within the expected range.
  3. Check the wiring harness and connectors for continuity and proper connection.
  4. If necessary, replace the faulty sensor or repair any damaged wiring components.
  5. Clear the diagnostic trouble codes from the vehicle's ECU using a scan tool, and perform a test drive to verify that the issue has been resolved.

Cost to Fix C0187 Buick

The cost of repairing a Multi-Axis Acceleration Sensor Circuit issue can vary depending on the extent of the problem and the specific components that need replacement. On average, the parts for this repair could range from $100 to $300, while the labor costs may add another $100 to $200. This brings the total estimate to approximately $200 to $500 for addressing the C0187 Buick code.

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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 C0187 Buick Code

1. What are common symptoms of OBDII code C0187 in a Buick related to the Multi-Axis Acceleration Sensor Circuit?

- Common symptoms include traction control and stability control malfunctions, illuminated warning lights on the dashboard, and potential issues with the vehicle's handling.

2. What can cause the OBDII code C0187 in a Buick?

- The code C0187 in a Buick is typically caused by a faulty multi-axis acceleration sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's calibration.

3. How serious is the OBDII code C0187 in a Buick?

- While the code itself may not cause immediate drivability issues, it can affect the proper functioning of the vehicle's traction control and stability control systems, impacting overall safety and handling.

4. How can I diagnose the OBDII code C0187 in my Buick?

- Diagnosing the code C0187 involves using a diagnostic scanner to retrieve the code, inspecting the multi-axis acceleration sensor and its circuit for damage, checking the sensor's calibration, and testing the sensor's outputs.

5. Can I drive my Buick with the OBDII code C0187 present?

- It is not recommended to drive your Buick with the code C0187 present, as it may affect the vehicle's stability control and traction control systems, potentially compromising safety.

6. How can I repair the OBDII code C0187 in my Buick?

- Repairing the code C0187 involves replacing the faulty multi-axis acceleration sensor, repairing any damaged wiring or connectors in the sensor circuit, and calibrating the sensor as needed.

7. Are there any DIY tips for fixing the OBDII code C0187 in a Buick?

- While some basic troubleshooting steps can be taken, it is recommended to have a professional diagnose and repair the code C0187 to ensure proper functioning of the sensor and related systems.

8. How much does it cost to fix the OBDII code C0187 in a Buick?

- The cost of fixing the OBDII code C0187 can vary depending on the extent of the issue, but it typically involves the cost of the new multi-axis acceleration sensor, labor for installation, and any additional parts or repairs needed.

9. Can the OBDII code C0187 in a Buick be intermittent?

- Yes, the code C0187 can sometimes be intermittent, appearing and disappearing depending on the sensor's condition or the specific driving conditions that trigger the fault.

10. Will resetting the OBDII code C0187 in my Buick make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is important to diagnose and repair the root cause of the code.

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