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P2C07 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage

Quick Answer

The P2C07 diagnostic trouble code (DTC) indicates a low voltage condition in the Intake Camshaft Profile Actuator Position Sensor 1 circuit for Chevrolet vehicles. Common causes include Faulty Intake Camshaft Profile ActuatorIntake Camshaft Profile Actuator harness is open or shortedPoor electrical connection in the Intake Camshaft Profile Actuator circuitFaulty Engine Control Module (ECM)Contamination or mechanical wear affecting the actuator pin movement. 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
P2C07 2021 Chevrolet Silverado indicates Intake Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty Intake Camshaft Profile ActuatorIntake Camshaft Profile Actuator harness is open or shortedPoor electrical connection in the Intake Camshaft Profile Actuator circuitFaulty Engine Control Module (ECM)Contamination or mechanical wear affecting the actuator pin movement.
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 P2C07 2021 Chevrolet Silverado Description

The P2C07 diagnostic trouble code (DTC) indicates a low voltage condition in the Intake Camshaft Profile Actuator Position Sensor 1 circuit for Chevrolet vehicles. This sensor is a critical component of the variable camshaft timing system, which enhances engine performance by adjusting the timing of the intake valves based on engine speed and load. The sensor utilizes Hall-effect technology to provide real-time feedback to the Engine Control Module (ECM) regarding the position of the actuator pins that control the camshaft profile sleeve. By monitoring the position of the actuator, the ECM can optimize engine performance, improve fuel efficiency, and reduce emissions by switching between different camshaft profiles, such as high-lift and low-lift modes.
OBDII Code P2C07 2021 Chevrolet Silverado - Intake Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage
P2C07 2021 Chevrolet Silverado Code - Intake Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage

Common Causes of P2C07 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 P2C07 2021 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine power or acceleration
  3. Poor fuel economy
  4. Rough idling or engine misfires
  5. Increased emissions or failed emissions test

How to Fix P2C07 2021 Chevrolet Silverado

  1. Perform a visual inspection of the Intake Camshaft Profile Actuator and its wiring harness for any visible damage or wear.
  2. Test the voltage and ground circuits to the Intake Camshaft Profile Actuator Position Sensor using a multimeter.
  3. Replace the Intake Camshaft Profile Actuator if it is determined to be faulty.
  4. Repair or replace any damaged wiring or connectors in the actuator circuit.
  5. Clear the DTC and perform a road test to ensure the issue is resolved and no codes reappear.

Cost to Fix P2C07 2021 Chevrolet Silverado

The cost to diagnose and repair a P2C07 code can vary significantly based on the specific issue and the labor rates in your area. Typically, parts such as the Intake Camshaft Profile Actuator may range from $100 to $300, while labor costs can vary from $80 to $150 per hour, depending on whether you visit a dealership or an independent shop. Overall, you might expect to spend between $200 and $600 for parts and labor combined. Always consult with your technician for a more accurate estimate based on your vehicle's make, model, and engine type.

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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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