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P2160 2014 GMC Sierra Code - Vehicle Speed Sensor 2 Circuit Low Voltage

Quick Answer

The P2160 diagnostic trouble code (DTC) for a 2014 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 VSS circuit, Malfunctioning ECM. 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 2014 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 VSS circuit, Malfunctioning ECM.
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 17, 2024
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Code P2160 2014 GMC Sierra Description

The P2160 diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Vehicle Speed Sensor 2 Circuit Low Voltage. This code indicates that the vehicle's onboard computer has detected a low voltage signal from the second vehicle speed sensor circuit. The vehicle speed sensor (VSS) 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 shifting gears, fuel delivery, and cruise control.

OBDII Code P2160 2014 GMC Sierra - Vehicle Speed Sensor 2 Circuit Low Voltage
P2160 2014 GMC Sierra Code - Vehicle Speed Sensor 2 Circuit Low Voltage

Common Causes of P2160 2014 GMC Sierra

  1. Faulty vehicle speed sensor
  2. Damaged wiring or connectors in the VSS circuit
  3. Malfunctioning ECM
  4. Corrosion or debris in the VSS circuit
  5. Electrical issues such as a blown fuse

Symptoms of P2160 2014 GMC Sierra

  1. Erratic shifting of gears
  2. Inaccurate speedometer readings
  3. Poor fuel efficiency
  4. Activation of limp mode
  5. Check Engine Light illuminated

How to Fix P2160 2014 GMC Sierra

  1. Begin by diagnosing the issue using a scan tool to confirm the P2160 code and pinpoint the exact cause.
  2. Inspect the vehicle speed sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the connectors in the VSS circuit for proper connection and signs of damage. Repair or replace as needed.
  4. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any underlying issues with the ECM or other components.

Cost to Fix P2160 2014 GMC Sierra

The typical repair costs for addressing the P2160 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty vehicle speed sensor can cost between $100 to $200, while addressing wiring or connector issues may range from $50 to $150. Labor costs can add an additional $80 to $150 per hour, with total repair costs potentially ranging from $200 to $500 or more. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the specific circumstances of the vehicle. Labor rates can vary based on location, vehicle make and model, and the complexity of the repair.

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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 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P2160 in a 2014 GMC Sierra?

The common symptoms of OBDII code P2160 include issues with the speedometer, cruise control not working correctly, and the vehicle possibly going into limp mode.

2. What can cause the Vehicle Speed Sensor 2 Circuit Low Voltage code to trigger in a 2014 GMC Sierra?

The code P2160 in a 2014 GMC Sierra can be triggered by a faulty vehicle speed sensor, damaged wiring or connectors leading to the sensor, or issues with the sensor's signal.

3. How do I diagnose the Vehicle Speed Sensor 2 Circuit Low Voltage issue in my 2014 GMC Sierra?

To diagnose the P2160 code, you should perform a visual inspection of the speed sensor and its wiring, test the sensor's voltage output using a multimeter, and check for any loose connections or damaged wires.

4. Can a bad vehicle speed sensor affect the transmission in a 2014 GMC Sierra?

Yes, a faulty vehicle speed sensor can impact the transmission's shifting patterns and lead to issues like harsh shifting, delayed shifting, or the transmission going into limp mode.

5. What are some repair tips for fixing the Vehicle Speed Sensor 2 Circuit Low Voltage problem in a 2014 GMC Sierra?

Repair tips for addressing the P2160 code include replacing the faulty speed sensor, repairing or replacing damaged wiring, ensuring proper sensor alignment, and clearing the code with an OBDII scanner after the repair.

6. Is it safe to continue driving my 2014 GMC Sierra with the P2160 code present?

It is not recommended to drive your vehicle with the P2160 code active, as it can lead to inaccurate speed readings, potential transmission issues, and affect the overall drivability of the vehicle.

7. Can a DIY enthusiast fix the Vehicle Speed Sensor 2 Circuit Low Voltage problem in a 2014 GMC Sierra?

Depending on their skill level, a DIY enthusiast may be able to replace the vehicle speed sensor and address wiring issues associated with the P2160 code. However, professional diagnostic tools may be needed for accurate diagnosis.

8. How much does it typically cost to repair the Vehicle Speed Sensor 2 Circuit Low Voltage issue in a 2014 GMC Sierra?

The cost of repairing the P2160 code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor if replacing the speed sensor and addressing wiring problems.

9. Will resetting the check engine light resolve the Vehicle Speed Sensor 2 Circuit Low Voltage problem in a 2014 GMC Sierra?

Simply resetting the check engine light will not fix the underlying issue causing the P2160 code. It's essential to diagnose the problem, make necessary repairs, and clear the code with an OBDII scanner to resolve the problem.

10. How can I prevent the recurrence of the Vehicle Speed Sensor 2 Circuit Low Voltage code in my 2014 GMC Sierra?

To prevent the P2160 code from reoccurring, it's crucial to ensure proper maintenance of the vehicle's speed sensor, regularly inspect wiring for damage, and address any issues promptly to avoid further complications.

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