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P2C15 2019 Chevrolet Silverado Code - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage

Quick Answer

The P2C15 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit, specifically that it is reporting high voltage to the Engine Control Module (ECM). Common causes include Faulty Exhaust Camshaft Profile ActuatorExhaust Camshaft Profile Actuator harness is open or shortedExhaust Camshaft Profile Actuator circuit has poor electrical connectionsFaulty Engine Control Module (ECM)Mechanical issues such as sticking actuator pins or debris in the actuator assembly. 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
P2C15 2019 Chevrolet Silverado indicates Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage.
Common causes
Common causes include Faulty Exhaust Camshaft Profile ActuatorExhaust Camshaft Profile Actuator harness is open or shortedExhaust Camshaft Profile Actuator circuit has poor electrical connectionsFaulty Engine Control Module (ECM)Mechanical issues such as sticking actuator pins or debris in the actuator assembly.
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 P2C15 2019 Chevrolet Silverado Description

The P2C15 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit, specifically that it is reporting high voltage to the Engine Control Module (ECM). This sensor plays a critical role in the variable valve timing system by providing real-time feedback on the position of the exhaust camshaft profile actuator. The actuator adjusts the camshaft's profile to optimize engine performance, fuel efficiency, and emissions based on varying driving conditions. When the sensor detects a high voltage signal, it suggests that there may be an electrical issue, such as a short circuit or a malfunction within the sensor itself.
OBDII Code P2C15 2019 Chevrolet Silverado - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage
P2C15 2019 Chevrolet Silverado Code - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage

Common Causes of P2C15 2019 Chevrolet Silverado

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

Symptoms of P2C15 2019 Chevrolet Silverado

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine performance or power loss during acceleration
  3. Decreased fuel efficiency and increased emissions
  4. Rough idling or engine misfires
  5. Potential activation of limp mode, limiting vehicle speed

How to Fix P2C15 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 using a multimeter to check for proper voltage and resistance readings.
  3. Inspect and clean electrical connectors to ensure good contact and eliminate corrosion or dirt buildup.
  4. If necessary, replace the Exhaust Camshaft Profile Actuator or the Position Sensor based on diagnostic findings.
  5. Clear the fault codes and perform a test drive to confirm that the issue has been resolved and that the engine operates normally.

Cost to Fix P2C15 2019 Chevrolet Silverado

The cost to diagnose and repair the P2C15 code can vary significantly based on the specific issue and the vehicle make and model. Typical parts such as the Exhaust Camshaft Profile Actuator or Position Sensor may range from $100 to $300, while labor costs can range from $80 to $150 per hour, depending on the shop's location and expertise. Overall, you might expect a total repair cost between $200 and $600, with dealership rates generally being higher than independent shops. Always consult with a trusted technician for an accurate estimate tailored to your vehicle's needs.

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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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