AutoCodes – Chevrolet – C0186 2018 Chevrolet Silverado

C0186 2018 Chevrolet Silverado Code - Lateral Acceleration Sensor Signal

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 Lateral Acceleration Sensor (Internal to the Inflatable Restraint Sensing and Diagnostic Module), Lateral Acceleration Sensor harness is open or shorted, Lateral 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
C0186 2018 Chevrolet Silverado indicates Lateral Acceleration Sensor Signal.
Common causes
Common causes include Faulty Lateral Acceleration Sensor (Internal to the Inflatable Restraint Sensing and Diagnostic Module), Lateral Acceleration Sensor harness is open or shorted, Lateral 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 226
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 C0186 2018 Chevrolet Silverado 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 Lateral Acceleration Sensor signal is out of the specified range.
OBDII Code C0186 2018 Chevrolet Silverado - Lateral Acceleration Sensor Signal - AutoCodes.com
C0186 2018 Chevrolet Silverado Code - Lateral Acceleration Sensor Signal

What are the Possible Causes of the DTC C0186 2018 Chevrolet Silverado?

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

How to Fix the DTC C0186 2018 Chevrolet Silverado?

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 C0186 2018 Chevrolet Silverado 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 C0186 2018 Chevrolet Silverado code?

Need more information on how to fix the C0186 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0186 2018 Chevrolet Silverado 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 C0186 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code C0186 in a 2018 Chevrolet Silverado?

The common symptoms include the traction control system warning light being illuminated on the dashboard, stability control issues, and potentially harsh or erratic steering behavior.

2. What does the OBDII code C0186 indicate in a 2018 Chevrolet Silverado?

Code C0186 indicates a problem with the lateral acceleration sensor signal in the vehicle, affecting the proper functioning of the traction control and stability control systems.

3. What are the possible causes of OBDII code C0186 in a 2018 Chevrolet Silverado?

Possible causes of this code include a faulty lateral acceleration sensor, damaged wiring or connectors related to the sensor, or issues with the sensor's calibration.

4. How can I diagnose the issue related to OBDII code C0186 in my 2018 Chevrolet Silverado?

Diagnosing the problem involves inspecting the lateral acceleration sensor and its connections for any visible damage, testing the sensor's output using a diagnostic scanner, and checking the sensor's calibration if needed.

5. Can I still drive my 2018 Chevrolet Silverado with OBDII code C0186 present?

While it may be possible to drive the vehicle with this code present, it is recommended to address the issue promptly to ensure the proper functioning of the traction control and stability control systems for safe driving.

6. How can I repair OBDII code C0186 in my 2018 Chevrolet Silverado?

Repairing this code typically involves replacing the faulty lateral acceleration sensor, repairing any damaged wiring or connectors, and recalibrating the sensor if necessary to clear the code.

7. Are there any DIY tips for addressing OBDII code C0186 in a 2018 Chevrolet Silverado?

While some basic checks like inspecting the sensor connections can be done DIY, it is recommended to have a professional technician diagnose and repair the issue to ensure proper resolution.

8. Will resetting the OBDII code C0186 in my 2018 Chevrolet Silverado make the issue go away?

Simply resetting the code without addressing the underlying problem will not fix the issue permanently. It is crucial to diagnose the root cause and make necessary repairs to prevent the code from reoccurring.

9. How much does it cost to fix OBDII code C0186 in a 2018 Chevrolet Silverado?

The cost of fixing this code can vary depending on the exact cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is advisable to get a diagnosis from a qualified mechanic for an accurate cost estimate.

10. Can extreme driving conditions or off-road use trigger OBDII code C0186 in a 2018 Chevrolet Silverado?

Extreme driving conditions or off-road use can potentially lead to issues with the lateral acceleration sensor, triggering OBDII code C0186. It is important to drive cautiously and have the vehicle inspected regularly if subjected to such conditions.

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