AutoCodes – GMC – C0187 2017 GMC Sierra

C0187 2017 GMC Sierra Code - Multi-Axis Acceleration Sensor Circuit

Quick Answer

The Yaw Rate, Lateral Acceleration, and Longitudinal Acceleration Sensors are combined into one Multi-Axis Acceleration Sensor, internal to the Inflatable Restraint Sensing and Diagnostic Module. Common causes include Faulty Multi-Axis Acceleration Sensor (Internal to the Inflatable Restraint Sensing and Diagnostic Module), Multi-Axis Acceleration Sensor harness is open or shorted, Multi-Axis Acceleration Sensor 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
C0187 2017 GMC Sierra indicates Multi-Axis Acceleration Sensor Circuit.
Common causes
Common causes include Faulty Multi-Axis Acceleration Sensor (Internal to the Inflatable Restraint Sensing and Diagnostic Module), Multi-Axis Acceleration Sensor harness is open or shorted, Multi-Axis Acceleration Sensor 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 434
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 28, 2023
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Code C0187 2017 GMC Sierra Description

The Yaw Rate, Lateral Acceleration, and Longitudinal Acceleration Sensors are combined into one Multi-Axis Acceleration Sensor, internal to the Inflatable Restraint Sensing and Diagnostic Module. The Multi-Axis Acceleration Sensor communicates via serial data with the Electronic Brake Control Module (EBCM). The Electronic Brake Control Module activates the stability control function depending on the Multi-Axis Acceleration Sensor input. The Inflatable Restraint Sensing and Diagnostic Module uses the Multi-Axis Acceleration Sensor to determine if the vehicle is in a rollover or near collision incident. The Diagnostic Trouble Code (DTC) will be set if the Multi-Axis Acceleration Sensor signal is out of the specified range.
OBDII Code C0187 2017 GMC Sierra - Multi-Axis Acceleration Sensor Circuit - AutoCodes.com
C0187 2017 GMC Sierra Code - Multi-Axis Acceleration Sensor Circuit

What are the Possible Causes of the DTC C0187 2017 GMC Sierra?

  • Faulty Multi-Axis Acceleration Sensor (Internal to the Inflatable Restraint Sensing and Diagnostic Module)
  • Multi-Axis Acceleration Sensor harness is open or shorted
  • Multi-Axis Acceleration Sensor circuit poor electrical connection
  • Faulty Electronic Brake Control Module (EBCM)

How to Fix the DTC C0187 2017 GMC Sierra?

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 C0187 2017 GMC Sierra 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 C0187 2017 GMC Sierra code?

Need more information on how to fix the C0187 2017 GMC Sierra code? Get Access to Factory Service Manuals

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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 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code C0187 in a 2017 GMC Sierra?

- Common symptoms include the illumination of the Check Engine Light, stability control issues, and potential issues with the vehicle's traction control system.

2. What does the OBDII code C0187 for a 2017 GMC Sierra indicate?

- OBDII code C0187 indicates a problem with the Multi-Axis Acceleration Sensor Circuit in the vehicle.

3. What are the possible causes of OBDII code C0187 in a 2017 GMC Sierra?

- Possible causes include a faulty multi-axis acceleration sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's calibration.

4. How can I diagnose the cause of OBDII code C0187 in my 2017 GMC Sierra?

- Diagnosis typically involves using a scan tool to retrieve the specific trouble code, inspecting the sensor and its connections for damage, and performing any necessary electrical tests.

5. Can I continue driving my 2017 GMC Sierra with OBDII code C0187 present?

- It is generally not recommended to continue driving with this code present, as it can affect the vehicle's stability control and traction systems, potentially compromising safety.

6. How can I repair OBDII code C0187 in my 2017 GMC Sierra?

- Repairs may involve replacing the faulty multi-axis acceleration sensor, repairing damaged wiring or connectors, or recalibrating the sensor as per manufacturer's guidelines.

7. Is it possible to reset OBDII code C0187 in a 2017 GMC Sierra without fixing the underlying issue?

- While you can clear the code with a scan tool, it is important to address the root cause to prevent the issue from recurring and potentially causing further damage.

8. Are there any DIY tips for troubleshooting OBDII code C0187 in a 2017 GMC Sierra?

- DIY tips include visually inspecting the sensor and its connections for any obvious signs of damage, checking for loose or corroded connectors, and ensuring proper sensor calibration.

9. How much does it typically cost to repair OBDII code C0187 in a 2017 GMC Sierra?

- The cost of repair can vary depending on the specific cause of the issue, but it may involve sensor replacement, wiring repairs, or calibration, which can range from a few hundred to over a thousand dollars.

10. Can a mechanic help me diagnose and repair OBDII code C0187 in my 2017 GMC Sierra?

- Yes, a qualified mechanic with experience in diagnosing and repairing vehicle electronics can assist in identifying the root cause of the issue and performing the necessary repairs to resolve OBDII code C0187.

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