Engine-CodesChevrolet – P16A2 2016 Chevrolet Silverado

P16A2 2016 Chevrolet Silverado Code - Throttle Position Sensor Communication Circuit Performance

Quick Answer

The P16A2 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates an issue with the Throttle Position Sensor (TPS) communication circuit performance. Common causes include Faulty Throttle Position Sensor (TPS), Damaged wiring or connectors in the TPS circuit, ECM communication issues. 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
P16A2 2016 Chevrolet Silverado indicates Throttle Position Sensor Communication Circuit Performance.
Common causes
Common causes include Faulty Throttle Position Sensor (TPS), Damaged wiring or connectors in the TPS circuit, ECM communication issues.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P16A2 2016 Chevrolet Silverado Description

The P16A2 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado indicates an issue with the Throttle Position Sensor (TPS) communication circuit performance. The TPS is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). The ECM uses this data to adjust the air-fuel mixture and ignition timing for optimal engine performance.

OBDII Code P16A2 2016 Chevrolet Silverado - Throttle Position Sensor Communication Circuit Performance
P16A2 2016 Chevrolet Silverado Code - Throttle Position Sensor Communication Circuit Performance

Common Causes of P16A2 2016 Chevrolet Silverado

  1. Faulty Throttle Position Sensor (TPS)
  2. Damaged wiring or connectors in the TPS circuit
  3. ECM communication issues
  4. Corrosion or contamination in the TPS sensor
  5. Electrical interference or short circuits in the TPS circuit

Symptoms of P16A2 2016 Chevrolet Silverado

  1. Erratic throttle response
  2. Engine hesitation or surging
  3. Poor fuel economy
  4. Check Engine Light illuminated
  5. Difficulty accelerating or maintaining speed

How to Fix P16A2 2016 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the TPS wiring harness and connectors for any visible damage or corrosion.
  2. Test the TPS sensor using a multimeter to check for proper voltage and resistance values according to manufacturer specifications.
  3. If the TPS sensor is faulty, replace it with a new, OEM-quality sensor and recalibrate as necessary.
  4. Clear the DTC from the ECM memory using a diagnostic scan tool and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to identify any underlying ECM or wiring issues that need to be addressed.

Cost to Fix P16A2 2016 Chevrolet Silverado

The typical repair costs for addressing a Throttle Position Sensor communication circuit performance issue can vary depending on the extent of the problem and the specific components that need to be replaced. In general, the cost of a new TPS sensor ranges from $50 to $150, while labor costs for diagnosis and repair can range from $100 to $300. Overall, the total repair cost for this issue may fall within the range of $150 to $450, but it's advisable to obtain a detailed estimate from a qualified auto repair shop based on your vehicle's make and model, as well as local labor rates.

Tech Notes for P16A2 2016 Chevrolet Silverado









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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 P16A2 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P16A2 in a 2016 Chevrolet Silverado?

- Common symptoms include poor engine performance, reduced fuel efficiency, hesitation or stalling during acceleration, and illuminated Check Engine light.

2. What can cause the OBDII code P16A2 in a 2016 Chevrolet Silverado?

- The code P16A2 is typically triggered by issues with the throttle position sensor (TPS), such as a faulty sensor, damaged wiring, or poor electrical connections.

3. How can I diagnose the throttle position sensor communication circuit performance issue in my 2016 Chevrolet Silverado?

- Diagnosing the problem involves checking the TPS wiring harness for damage, testing the sensor's voltage output, and inspecting the connections for any signs of corrosion or poor contact.

4. Can a dirty throttle body cause the P16A2 code in a 2016 Chevrolet Silverado?

- Yes, a dirty or malfunctioning throttle body can disrupt the communication between the throttle position sensor and the engine control module, leading to the P16A2 trouble code.

5. What is the recommended repair approach for fixing the throttle position sensor communication circuit performance issue in a 2016 Chevrolet Silverado?

- Repairing the problem may involve cleaning or replacing the throttle body, inspecting and repairing any damaged wiring, replacing the throttle position sensor if necessary, and clearing the trouble code.

6. Is it safe to continue driving my 2016 Chevrolet Silverado with the P16A2 trouble code?

- It is not recommended to drive the vehicle with the P16A2 code present, as it can lead to further damage to the engine and affect overall performance.

7. How much does it typically cost to repair the throttle position sensor communication circuit performance issue in a 2016 Chevrolet Silverado?

- The cost of repairing the issue can vary depending on the exact cause and the needed repairs, but it can range from around $100 for a simple sensor replacement to a few hundred dollars for more extensive repairs.

8. Can I reset the Check Engine light after fixing the throttle position sensor communication circuit performance problem in my 2016 Chevrolet Silverado?

- Yes, the Check Engine light can be reset using an OBDII scanner after the issue has been fixed to clear the trouble code and turn off the warning light.

9. Are there any preventive maintenance steps I can take to avoid the throttle position sensor communication circuit performance issue in my 2016 Chevrolet Silverado?

- Keeping up with regular throttle body cleanings, inspecting wiring for damage during routine maintenance checks, and using quality fuel can help prevent issues with the throttle position sensor.

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