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P2C19 Chevrolet Code - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit High Voltage

Quick Answer

The P2C19 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit, specifically signaling that there is high voltage detected in the circuit. Common causes include Faulty Exhaust Camshaft Profile Actuator, Exhaust Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Exhaust 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
P2C19 Chevrolet indicates Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit High Voltage.
Common causes
Common causes include Faulty Exhaust Camshaft Profile Actuator, Exhaust Camshaft Profile Actuator harness is open or shorted, Poor electrical connection in the Exhaust 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 31, 2026
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Code P2C19 Chevrolet Description

The P2C19 code indicates a problem with the Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit, specifically signaling that there is high voltage detected in the circuit. This sensor is crucial for the operation of the variable valve timing (VVT) system, which optimizes engine performance by adjusting the timing of the exhaust valves based on engine speed and load. The sensor provides feedback to the Engine Control Module (ECM) about the position of the actuator pins that shift the exhaust camshaft profile sleeve. This adjustment allows the engine to switch between different cam profiles, enhancing efficiency, reducing emissions, and improving overall performance.
OBDII Code P2C19 Chevrolet - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit High Voltage
P2C19 Chevrolet Code - Exhaust Camshaft Profile Actuator Position Sensor 2 Circuit High Voltage

Common Causes of P2C19 Chevrolet

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

Symptoms of P2C19 Chevrolet

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine performance or power loss
  3. Poor fuel economy and increased emissions
  4. Rough idling or engine stalling
  5. Unusual engine noises during operation

How to Fix P2C19 Chevrolet

  1. Perform a visual inspection of the Exhaust Camshaft Profile Actuator and its wiring harness for any signs of damage or wear.
  2. Test the Exhaust Camshaft Profile Actuator Position Sensor for proper voltage and resistance using a multimeter.
  3. Check for any fault codes using an OBD-II scanner to confirm the P2C19 code and identify any related codes.
  4. If necessary, replace the faulty Exhaust Camshaft Profile Actuator or repair the wiring harness as needed.
  5. Clear the fault codes and perform a test drive to ensure the issue is resolved and monitor for any reoccurrence of the code.

Cost to Fix P2C19 Chevrolet

The cost to diagnose and repair the P2C19 code typically ranges from $200 to $800, depending on the specific repairs needed. This may include parts such as the Exhaust Camshaft Profile Actuator, which can cost between $150 and $400, along with labor charges that vary by shop, generally ranging from $80 to $150 per hour. Dealerships may charge more, while independent shops may offer lower rates. The total cost will depend on the vehicle's make and model, the complexity of the repair, and local labor rates.

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Information for Specific Chevrolet Models

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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