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P2C0A 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 2 Performance

Quick Answer

The P2C0A code indicates a performance issue with the Intake Camshaft Profile Actuator Position Sensor 2, which is a critical component in modern engines that utilize variable valve timing (VVT) technology. Common causes include Faulty Intake Camshaft Profile Actuator, Intake Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Intake 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
P2C0A 2021 Chevrolet Silverado indicates Intake Camshaft Profile Actuator Position Sensor 2 Performance.
Common causes
Common causes include Faulty Intake Camshaft Profile Actuator, Intake Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Intake 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 29, 2026
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Code P2C0A 2021 Chevrolet Silverado Description

The P2C0A code indicates a performance issue with the Intake Camshaft Profile Actuator Position Sensor 2, which is a critical component in modern engines that utilize variable valve timing (VVT) technology. This sensor is integrated into the intake camshaft profile actuator assembly and plays a vital role in optimizing engine performance by adjusting the camshaft's position based on driving conditions. The Engine Control Module (ECM) relies on feedback from this sensor to determine the exact position of the actuator pins that control the camshaft profile sleeve. By using Hall-effect technology, the sensor detects whether the actuator is in a retracted, extending, or fully extended position. This capability allows the ECM to switch between various camshaft lobe profiles, such as high-lift for performance and low-lift for fuel efficiency, as well as enabling cylinder deactivation modes to enhance fuel economy.
OBDII Code P2C0A 2021 Chevrolet Silverado - Intake Camshaft Profile Actuator Position Sensor 2 Performance
P2C0A 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 2 Performance

Common Causes of P2C0A 2021 Chevrolet Silverado

  1. Faulty Intake Camshaft Profile Actuator
  2. Intake Camshaft Profile Actuator harness is open or shorted
  3. Poor electrical connection in the Intake Camshaft Profile Actuator circuit
  4. Faulty Engine Control Module (ECM)
  5. Contamination or mechanical wear affecting the actuator or sensor

Symptoms of P2C0A 2021 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Decreased engine performance or power loss during acceleration
  3. Rough idling or stalling of the engine
  4. Increased fuel consumption or poor fuel economy
  5. Unusual engine noises, such as knocking or pinging

How to Fix P2C0A 2021 Chevrolet Silverado

  1. Perform a thorough visual inspection of the Intake Camshaft Profile Actuator and associated wiring for damage or corrosion.
  2. Test the Intake Camshaft Profile Actuator Position Sensor using a multimeter to check for proper voltage and resistance readings.
  3. If the sensor is faulty, replace the Intake Camshaft Profile Actuator Position Sensor with a new unit.
  4. Inspect and repair any damaged wiring or poor electrical connections in the actuator circuit.
  5. Clear the diagnostic trouble codes and perform a road test to ensure the issue is resolved and the engine operates smoothly.

Cost to Fix P2C0A 2021 Chevrolet Silverado

The cost to diagnose and repair a P2C0A code can vary significantly based on the specific issue and the vehicle make and model. Typical parts, such as the Intake Camshaft Profile Actuator Position Sensor, can range from $50 to $200, while labor costs may vary from $80 to $150 per hour depending on the shop type—dealerships generally charge more than independent shops. Overall, total repair costs can range from $150 to $600, depending on the complexity of the repair and the parts required.

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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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