AutoCodes – Saturn – C0186 Saturn

C0186 Saturn 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 Saturn 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 3,448
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 Saturn 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 Saturn - Lateral Acceleration Sensor Signal - AutoCodes.com
C0186 Saturn Code - Lateral Acceleration Sensor Signal

What are the Possible Causes of the DTC C0186 Saturn?

  • 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 Saturn?

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 Saturn 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 Saturn code?

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

Need Help with the Code?

Get the C0186 Saturn 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 Saturn Code

1. What are the common symptoms of OBDII code C0186 in a Saturn related to the Lateral Acceleration Sensor Signal?

The common symptoms include the ABS warning light being illuminated on the dashboard, possible traction control issues, and a potential decrease in overall driving stability.

2. What are the likely causes of OBDII code C0186 in a Saturn?

The most common causes of this code are a faulty lateral acceleration sensor, damaged wiring or connectors related to the sensor, or issues with the sensor's calibration.

3. How can I diagnose the OBDII code C0186 in my Saturn?

Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific fault code, testing the lateral acceleration sensor and its connections for proper functionality, and inspecting the sensor's mounting position.

4. Can I still drive my Saturn with OBDII code C0186 present?

It is not recommended to drive the vehicle with this fault code active, as it can affect the performance of the ABS system and overall driving safety. It is advisable to address the issue promptly.

5. How can I repair OBDII code C0186 in my Saturn?

The repair process usually involves replacing the faulty lateral acceleration sensor, repairing any damaged wiring or connectors, and recalibrating the sensor as needed to ensure proper functionality.

6. Is it possible to reset the OBDII code C0186 in my Saturn without fixing the issue?

While you can clear the fault code using a diagnostic scanner, it is crucial to address the underlying problem causing the code to prevent potential safety issues and ensure proper vehicle operation.

7. Are there any DIY tips for troubleshooting OBDII code C0186 in a Saturn?

You can start by checking the sensor's wiring and connections for any visible damage, ensuring the sensor is securely mounted, and consulting the vehicle's service manual for specific diagnostic procedures.

8. Can extreme weather conditions affect the lateral acceleration sensor and trigger OBDII code C0186 in a Saturn?

Yes, extreme temperature fluctuations or harsh driving conditions can potentially impact the sensor's performance and trigger the fault code. It's essential to keep the sensor well-protected and maintained.

9. How long does it typically take to repair OBDII code C0186 in a Saturn?

The repair time can vary depending on the exact cause of the issue, but replacing the lateral acceleration sensor and performing necessary diagnostics and calibrations can usually be completed within a few hours.

10. Is it advisable to seek professional help for fixing OBDII code C0186 in my Saturn?

Given the complexity of the ABS system and sensor components, it is recommended to consult a qualified mechanic or dealership for accurate diagnosis and repair of this fault code to ensure proper functioning and safety.

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