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Engine-Codes – Generic – P2C14

P2C14 Code - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage

Quick Answer

The P2C14 code indicates a low 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 poor electrical connectionFaulty 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
P2C14 indicates Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low 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 connectionFaulty 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 P2C14 Description

The P2C14 code indicates a low voltage condition in the Exhaust Camshaft Profile Actuator Position Sensor 1 circuit. This sensor is integral to the exhaust camshaft profile actuator assembly, which plays a crucial role in optimizing engine performance by adjusting the camshaft's profile based on driving conditions. The actuator uses a Hall-effect sensor to detect the position of the actuator pins that shift the exhaust camshaft profile sleeve. By providing real-time feedback to the Engine Control Module (ECM), the sensor allows the ECM to ensure that the exhaust camshaft is operating within its intended parameters.
OBDII Code P2C14 - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage
P2C14 Code - Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage

Common Causes of P2C14

  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 connection
  4. Faulty Engine Control Module (ECM)
  5. Mechanical issues such as sticking actuator pins or debris in the actuator assembly

Symptoms of P2C14

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

How to Fix P2C14

  1. Perform a visual inspection of the exhaust camshaft profile actuator and wiring for any signs of damage or wear.
  2. Test the Exhaust Camshaft Profile Actuator Position Sensor for proper voltage and signal output using a multimeter.
  3. Check the electrical connections and harness for continuity, ensuring there are no open or shorted circuits.
  4. If the sensor is faulty, replace it with a new unit and clear any diagnostic trouble codes (DTCs) from the ECM.
  5. After repairs, conduct a road test to verify that the engine performance has returned to normal and that the check engine light remains off.

Cost to Fix P2C14

The cost to diagnose and repair a P2C14 code typically ranges from $150 to $600, depending on the specific issue and the parts required. Replacing the Exhaust Camshaft Profile Actuator Position Sensor may cost between $100 and $300 for the part alone, with labor costs varying based on the shop's hourly rate, which generally falls between $80 and $150 per hour. Dealerships may charge higher rates, while independent shops may offer more competitive pricing. Factors such as vehicle make, model, and engine type can also influence the overall cost.

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Code P2C14 Information for Specific Makes

  • P2C14 Chevrolet — Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low Voltage
  • P2C14 GMC — Exhaust Camshaft Profile Actuator Position Sensor 1 Circuit Low 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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