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Engine-Codes – GMC – P2C0D 2020 GMC Sierra

P2C0D 2020 GMC Sierra Code - Intake Camshaft Profile Actuator Position Sensor 3 Circuit

Quick Answer

The P2C0D code indicates a problem with the Intake Camshaft Profile Actuator Position Sensor 3 circuit in GMC 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
P2C0D 2020 GMC Sierra indicates Intake Camshaft Profile Actuator Position Sensor 3 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 30, 2026
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Code P2C0D 2020 GMC Sierra Description

The P2C0D code indicates a problem with the Intake Camshaft Profile Actuator Position Sensor 3 circuit in GMC vehicles. This sensor is a critical component of the variable valve timing (VVT) system, which allows the engine to adjust the timing of the intake valves based on various driving conditions. By monitoring the position of the actuator pins that control the camshaft profile sleeve, the Engine Control Module (ECM) can optimize engine performance, fuel efficiency, and emissions. The Hall-effect technology used in this sensor provides precise feedback on whether the actuator is retracted, extending, or fully extended.
OBDII Code P2C0D 2020 GMC Sierra - Intake Camshaft Profile Actuator Position Sensor 3 Circuit
P2C0D 2020 GMC Sierra Code - Intake Camshaft Profile Actuator Position Sensor 3 Circuit

Common Causes of P2C0D 2020 GMC Sierra

  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

Symptoms of P2C0D 2020 GMC Sierra

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

How to Fix P2C0D 2020 GMC Sierra

  1. Perform a visual inspection of the Intake Camshaft Profile Actuator and its wiring for any signs of damage or corrosion.
  2. Test the Intake Camshaft Profile Actuator Position Sensor using a multimeter to check for proper voltage and resistance.
  3. If the sensor is faulty, replace the Intake Camshaft Profile Actuator Position Sensor.
  4. Inspect and repair any damaged wiring or poor connections in the actuator circuit.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue is resolved.

Cost to Fix P2C0D 2020 GMC Sierra

The cost to diagnose and repair the P2C0D code typically ranges from $150 to $600, depending on the specific repairs needed. Replacing the Intake Camshaft Profile Actuator Position Sensor can cost between $100 and $300 for parts, with labor costs varying from $80 to $150 per hour. Dealerships may charge higher rates, while independent shops may offer more competitive pricing. The total cost will also depend on the vehicle's make, model, and engine type, as well as the local labor market.

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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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