C0187 2018 GMC Sierra Code - Multi-Axis Acceleration Sensor Circuit
Quick Answer
The C0187 diagnostic trouble code (DTC) for a 2018 GMC Sierra relates to the Multi-Axis Acceleration Sensor Circuit. Common causes include Faulty multi-axis acceleration sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination affecting the sensor or its connections. 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 2018 GMC Sierra indicates Multi-Axis Acceleration Sensor Circuit.
- Common causes
- Common causes include Faulty multi-axis acceleration sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination affecting the sensor or its connections.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C0187 2018 GMC Sierra Description
The C0187 diagnostic trouble code (DTC) for a 2018 GMC Sierra relates to the Multi-Axis Acceleration Sensor Circuit. This code indicates a problem with the sensor responsible for measuring acceleration in multiple directions within the vehicle. The sensor is crucial for various safety and stability control systems, as it provides data to the vehicle's electronic control unit (ECU) to help manage functions such as traction control, stability control, and rollover prevention.
Common Causes of C0187 2018 GMC Sierra
- Faulty multi-axis acceleration sensor.
- Damaged wiring or connectors in the sensor circuit.
- Corrosion or contamination affecting the sensor or its connections.
- Electronic control unit (ECU) malfunction.
- Impact or physical damage to the sensor or surrounding components.
Symptoms of C0187 2018 GMC Sierra
- Illumination of the traction control or stability control warning lights on the dashboard.
- Loss of traction control or stability control functionality.
- Erratic or unpredictable handling, especially during acceleration or cornering.
- Increased likelihood of skidding or loss of control in slippery conditions.
- Harsh or delayed shifting from the transmission.
How to Fix C0187 2018 GMC Sierra
- Begin by diagnosing the specific cause of the C0187 code using a diagnostic scan tool to pinpoint the issue.
- Inspect the sensor, wiring, and connectors for any visible damage, corrosion, or loose connections.
- Test the sensor's output using a multimeter to ensure it is functioning within specifications.
- Replace the multi-axis acceleration sensor if it is found to be faulty, ensuring proper installation and calibration.
- Clear the DTC from the ECU's memory and perform a test drive to verify that the issue has been resolved.
Cost to Fix C0187 2018 GMC Sierra
The typical repair costs for addressing a C0187 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty multi-axis acceleration sensor and addressing related wiring or connector issues can range from $200 to $500, including parts and labor. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It is recommended to check with local auto repair shops for a more accurate estimate based on your specific circumstances.
Need more information about the C0187 2018 GMC Sierra code?
Need more information on how to fix the C0187 2018 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0187 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0187 2018 GMC Sierra Code
1. What does the OBDII code C0187 mean on a 2018 GMC Sierra?
The code C0187 indicates a problem with the Multi-Axis Acceleration Sensor Circuit, which monitors the vehicle's motion and stability.
2. What are the common symptoms of code C0187 on a 2018 GMC Sierra?
Symptoms may include an illuminated ABS or traction control warning light, stability control system malfunction, or reduced vehicle stability.
3. What causes the C0187 code to appear on a 2018 GMC Sierra?
Common causes include a faulty multi-axis acceleration sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning electronic control module (ECM).
4. Can I drive my 2018 GMC Sierra with the C0187 code active?
While the vehicle may still be drivable, safety systems like traction control and stability control could be impaired, so it’s best to address the issue promptly.
5. How is the C0187 code diagnosed?
A technician will use a scan tool to verify the code, inspect the multi-axis acceleration sensor and its wiring, and test the circuit for proper voltage and continuity.
6. How do you fix the C0187 code on a 2018 GMC Sierra?
Repairs may include replacing the faulty multi-axis acceleration sensor, repairing damaged wiring or connectors, or reprogramming or replacing the control module if necessary.
7. Where is the multi-axis acceleration sensor located on a 2018 GMC Sierra?
The multi-axis acceleration sensor is typically located near the center of the vehicle, often under the center console or beneath the carpet.
8. Is replacing the multi-axis acceleration sensor expensive?
Replacement costs can vary, but typically range from $200 to $500, including parts and labor, depending on your location and repair shop.
9. Can a dead battery cause the C0187 code on a 2018 GMC Sierra?
A dead or weak battery is unlikely to directly cause this code, but electrical issues related to the battery could impact sensor performance.
10. Will clearing the C0187 code with a scan tool fix the issue?
Clearing the code may temporarily turn off the warning light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for C0187 2018 GMC Sierra OBDII Code
Code C0187 2018 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.