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P2160 2015 GMC Sierra Code - Vehicle Speed Sensor 2 Circuit Low Voltage

Quick Answer

The P2160 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to the Vehicle Speed Sensor 2 Circuit Low Voltage. Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors in the speed sensor circuit, Corrosion or contamination in the sensor 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
P2160 2015 GMC Sierra indicates Vehicle Speed Sensor 2 Circuit Low Voltage.
Common causes
Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors in the speed sensor circuit, Corrosion or contamination in the sensor 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P2160 2015 GMC Sierra Description

The P2160 diagnostic trouble code (DTC) for a 2015 GMC Sierra refers to the Vehicle Speed Sensor 2 Circuit Low Voltage. This code indicates that there is an issue with the vehicle speed sensor, specifically the second sensor in the circuit, detecting a lower voltage than expected. The vehicle speed sensor is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM) to assist in various functions such as fuel injection, transmission shifting, and ABS operation.

OBDII Code P2160 2015 GMC Sierra - Vehicle Speed Sensor 2 Circuit Low Voltage
P2160 2015 GMC Sierra Code - Vehicle Speed Sensor 2 Circuit Low Voltage

Common Causes of P2160 2015 GMC Sierra

  1. Faulty vehicle speed sensor
  2. Damaged wiring or connectors in the speed sensor circuit
  3. Corrosion or contamination in the sensor connections
  4. ECM malfunction
  5. Issues with the vehicle's wheel speed sensors

Symptoms of P2160 2015 GMC Sierra

  1. Erratic shifting of the transmission
  2. Inaccurate speedometer readings
  3. ABS warning light illuminated on the dashboard
  4. Engine stalling or hesitation
  5. Poor fuel economy

How to Fix P2160 2015 GMC Sierra

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble codes and confirm the presence of P2160.
  2. Inspect the vehicle speed sensor 2 and its wiring for any visible damage, corrosion, or loose connections.
  3. Test the vehicle speed sensor using a multimeter to check for proper voltage output.
  4. Replace the vehicle speed sensor 2 if it is found to be faulty, ensuring proper installation and connection.
  5. Clear the trouble codes from the ECM memory and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P2160 2015 GMC Sierra

The typical repair costs for addressing a P2160 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty vehicle speed sensor can cost between $100 and $300, including parts and labor. Additional costs may apply if there are wiring or ECM issues that need to be addressed. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle. Keep in mind that labor rates can vary between different locations and types of repair facilities.

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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 P2160 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P2160 in a 2015 GMC Sierra?

The common symptoms of P2160 include issues with the vehicle speedometer, erratic speedometer readings, and potential transmission shifting problems.

2. What does the OBDII code P2160 mean for a 2015 GMC Sierra?

OBDII code P2160 indicates a problem with the Vehicle Speed Sensor 2 Circuit, specifically low voltage detected by the vehicle's onboard computer.

3. What are the potential causes of the Vehicle Speed Sensor 2 Circuit low voltage issue in a 2015 GMC Sierra?

Possible causes of P2160 include a faulty vehicle speed sensor, damaged wiring or connectors in the speed sensor circuit, or issues with the vehicle's ECM (Engine Control Module).

4. How can I diagnose the Vehicle Speed Sensor 2 Circuit low voltage problem in my 2015 GMC Sierra?

Diagnosing P2160 involves checking the vehicle speed sensor for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to monitor the sensor's voltage output.

5. Can driving with OBDII code P2160 in a 2015 GMC Sierra cause further damage to the vehicle?

Continuing to drive with P2160 may lead to inaccurate speedometer readings, potential transmission issues, and increased fuel consumption, so it is advisable to address the problem promptly.

6. How can I repair the Vehicle Speed Sensor 2 Circuit low voltage issue in my 2015 GMC Sierra?

Repairing P2160 typically involves replacing the faulty vehicle speed sensor, repairing any damaged wiring or connectors, and clearing the trouble code with a scan tool.

7. Is it possible to reset the OBDII code P2160 in a 2015 GMC Sierra without fixing the underlying issue?

While you can clear the trouble code temporarily, it will likely return if the root cause of the Vehicle Speed Sensor 2 Circuit low voltage problem is not addressed.

8. Are there any DIY tips for troubleshooting OBDII code P2160 in a 2015 GMC Sierra?

DIY tips for troubleshooting P2160 include visually inspecting the speed sensor and its connections, checking for damaged wiring, and ensuring the sensor is securely mounted.

9. Can extreme weather conditions affect the Vehicle Speed Sensor 2 Circuit and trigger OBDII code P2160 in a 2015 GMC Sierra?

Extreme weather conditions such as extreme cold or heat can potentially affect the performance of the vehicle speed sensor and contribute to the occurrence of P2160.

10. How much does it cost to repair the Vehicle Speed Sensor 2 Circuit low voltage issue associated with OBDII code P2160 in a 2015 GMC Sierra?

The cost of repairing P2160 can vary depending on the extent of the issue, but it typically involves the cost of a new speed sensor, potential wiring repairs, and labor charges from a mechanic.

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