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P2C09 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 2 Circuit

Quick Answer

The P2C09 diagnostic trouble code (DTC) pertains to the Intake Camshaft Profile Actuator Position Sensor 2 Circuit in Chevrolet vehicles. 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
P2C09 2021 Chevrolet Silverado indicates Intake Camshaft Profile Actuator Position Sensor 2 Circuit.
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 P2C09 2021 Chevrolet Silverado Description

The P2C09 diagnostic trouble code (DTC) pertains to the Intake Camshaft Profile Actuator Position Sensor 2 Circuit in Chevrolet vehicles. This sensor is a critical component of the variable valve timing (VVT) system, which enhances engine performance by adjusting the timing of the intake valves according to the engine's operational demands. The sensor utilizes Hall-effect technology to monitor the position of the actuator pins that control the camshaft profile sleeve. By providing real-time feedback to the Engine Control Module (ECM), it allows the ECM to switch between different camshaft profiles, such as high-lift and low-lift settings, optimizing power output, fuel efficiency, and emissions.
OBDII Code P2C09 2021 Chevrolet Silverado - Intake Camshaft Profile Actuator Position Sensor 2 Circuit
P2C09 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 2 Circuit

Common Causes of P2C09 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 pin movement

Symptoms of P2C09 2021 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine performance or power loss
  3. Poor fuel economy
  4. Rough idle or engine stalling
  5. Increased emissions or failed emissions test

How to Fix P2C09 2021 Chevrolet Silverado

  1. Perform a thorough diagnostic to confirm the P2C09 code and check for any related codes.
  2. Inspect the Intake Camshaft Profile Actuator and its wiring harness for damage, corrosion, or loose connections.
  3. Test the Intake Camshaft Profile Actuator Position Sensor for proper function and replace if faulty.
  4. Check the ECM for software updates or faults; reprogram or replace if necessary.
  5. Clear the codes and perform a road test to ensure proper operation of the VVT system.

Cost to Fix P2C09 2021 Chevrolet Silverado

The cost to diagnose and repair the P2C09 code typically ranges from $200 to $600, depending on the specific issue and parts required. Parts such as the Intake Camshaft Profile Actuator or the Position Sensor may cost between $100 and $300, while labor can vary significantly based on shop 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, 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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