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P2C16 2019 Chevrolet Silverado Code - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit

Quick Answer

The P2C16 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 2 circuit in Chevrolet vehicles. Common causes include Faulty Exhaust Camshaft Profile Actuator, Exhaust Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Exhaust Camshaft Profile Actuator circuit. 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
P2C16 2019 Chevrolet Silverado indicates Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit.
Common causes
Common causes include Faulty Exhaust Camshaft Profile Actuator, Exhaust Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Exhaust Camshaft Profile Actuator circuit.
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 May 31, 2026
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Code P2C16 2019 Chevrolet Silverado Description

The P2C16 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 2 circuit in Chevrolet vehicles. This sensor is crucial for the operation of the variable valve timing (VVT) system, which optimizes engine performance by adjusting the timing of the exhaust valves. The sensor provides the Engine Control Module (ECM) with real-time feedback on the position of the actuator pins that control the exhaust camshaft profile sleeve. By utilizing a Hall-effect element, the sensor detects changes in the magnetic field, allowing the ECM to determine whether the exhaust camshaft is operating within its intended parameters.
OBDII Code P2C16 2019 Chevrolet Silverado - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit
P2C16 2019 Chevrolet Silverado Code - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit

Common Causes of P2C16 2019 Chevrolet Silverado

  1. Faulty Exhaust Camshaft Profile Actuator
  2. Exhaust Camshaft Profile Actuator harness is open or shorted
  3. Poor electrical connection in the Exhaust Camshaft Profile Actuator circuit
  4. Faulty Engine Control Module (ECM)
  5. Mechanical issues such as sticking actuator pins or debris in the actuator

Symptoms of P2C16 2019 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine power or acceleration
  3. Rough idling or engine misfires
  4. Increased fuel consumption
  5. Unusual engine noises, such as ticking or knocking

How to Fix P2C16 2019 Chevrolet Silverado

  1. Perform a visual inspection of the Exhaust Camshaft Profile Actuator and its wiring for any signs of damage or wear.
  2. Test the Exhaust Camshaft Profile Actuator Position Sensor for proper voltage and signal output using a multimeter.
  3. Inspect the electrical connectors for corrosion or poor contact and clean or repair as necessary.
  4. If the sensor is faulty, replace it with a new one and ensure proper installation.
  5. Clear the fault codes from the ECM and perform a road test to verify that the issue has been resolved.

Cost to Fix P2C16 2019 Chevrolet Silverado

The cost to diagnose and repair a P2C16 code typically ranges from $150 to $600, depending on the specific repairs needed. Replacement parts for the Exhaust Camshaft Profile Actuator Position Sensor can cost between $50 and $200, while labor costs can vary significantly based on shop hourly rates, which generally range from $80 to $150 per hour. Dealerships may charge higher rates, while independent shops may offer more competitive pricing. Always consider the make, model, and engine type of your vehicle, as these factors can influence the overall cost.

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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.

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