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Engine-Codes – Generic – P2C15

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

Quick Answer

The P2C15 code indicates a high voltage condition in the Exhaust Camshaft Profile Actuator Position Sensor 1 circuit. Common causes include Faulty Exhaust Camshaft Profile ActuatorExhaust Camshaft Profile Actuator harness is open or shortedExhaust Camshaft Profile Actuator circuit has a poor electrical connectionFaulty Engine Control Module (ECM)Mechanical issues such as sticking actuator pins or debris within 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 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 a poor electrical connectionFaulty Engine Control Module (ECM)Mechanical issues such as sticking actuator pins or debris within 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 Description

The P2C15 code indicates a high voltage condition in the Exhaust Camshaft Profile Actuator Position Sensor 1 circuit. This sensor is crucial for the operation of the variable valve timing (VVT) system, which optimizes engine performance by adjusting the timing and lift of the exhaust valves based on engine load and speed. The sensor provides real-time feedback to the Engine Control Module (ECM) about the position of the actuator pins that control the exhaust camshaft profile sleeve. By utilizing a Hall-effect element, the sensor detects changes in a magnetic field to accurately relay the position of the actuator pins.
OBDII Code P2C15 - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage
P2C15 Code - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage

Common Causes of P2C15

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

Symptoms of P2C15

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine power and responsiveness
  3. Increased fuel consumption
  4. Rough idling or engine stalling
  5. Unusual engine noises during operation

How to Fix P2C15

  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 voltage and resistance of the Exhaust Camshaft Profile Actuator Position Sensor to determine if it is functioning within specifications.
  3. Check for any fault codes using a diagnostic scanner and clear them after repairs.
  4. If necessary, replace the faulty Exhaust Camshaft Profile Actuator or repair any damaged wiring or connectors.
  5. Reassemble components and perform a road test to ensure the issue has been resolved and the engine operates smoothly.

Cost to Fix P2C15

The cost to diagnose and repair the P2C15 code typically ranges from $200 to $800, depending on the specific issue and the parts required. Labor costs can vary significantly, with most shops charging between $80 and $150 per hour. Dealerships may charge higher rates, while independent shops often offer more competitive pricing. The total cost will also depend on the make and model of the vehicle, as well as the complexity of the repair.

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Code P2C15 Information for Specific Makes

  • P2C15 Chevrolet — Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage
  • P2C15 GMC — Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit High Voltage
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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