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Engine-Codes – Generic – P2C0B

P2C0B Code - Intake Camshaft Profile Actuator Position Sensor 2 Circuit Low Voltage

Quick Answer

The diagnostic trouble code P2C0B indicates a low voltage condition in the Intake Camshaft Profile Actuator Position Sensor 2 circuit. 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
P2C0B indicates Intake Camshaft Profile Actuator Position Sensor 2 Circuit Low Voltage.
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 29, 2026
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Code P2C0B Description

The diagnostic trouble code P2C0B indicates a low voltage condition in the Intake Camshaft Profile Actuator Position Sensor 2 circuit. This sensor is crucial for the proper functioning of the intake camshaft profile actuator, which adjusts the camshaft's position to optimize engine performance across various operating conditions. By utilizing Hall-effect technology, the sensor provides real-time feedback to the Engine Control Module (ECM) regarding the position of the actuator pins. These pins control the camshaft profile sleeve, allowing the engine to switch between different profiles such as high-lift, low-lift, and cylinder deactivation modes. This adaptability enhances engine efficiency, improves fuel economy, and reduces emissions.
OBDII Code P2C0B - Intake Camshaft Profile Actuator Position Sensor 2 Circuit Low Voltage
P2C0B Code - Intake Camshaft Profile Actuator Position Sensor 2 Circuit Low Voltage

Common Causes of P2C0B

  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. Contaminated or damaged actuator pins affecting movement

Symptoms of P2C0B

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Reduced engine power and acceleration
  3. Increased fuel consumption
  4. Rough idling or engine stalling
  5. Erratic engine performance under load

How to Fix P2C0B

  1. Perform a visual inspection of the wiring harness and connectors for damage or corrosion.
  2. Test the voltage at the Intake Camshaft Profile Actuator Position Sensor to confirm low voltage readings.
  3. If necessary, replace the faulty Intake Camshaft Profile Actuator or the sensor itself.
  4. Repair or replace any damaged wiring or connectors in the actuator circuit.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure the issue is resolved.

Cost to Fix P2C0B

The cost to diagnose and repair the P2C0B code typically ranges from $150 to $600, depending on the specific issue and the components that need to be replaced. Parts such as the Intake Camshaft Profile Actuator or the position sensor can vary in price, generally falling between $100 and $300. Labor costs will depend on the shop's hourly rate, which can range from $80 to $150 per hour, with dealerships often charging more and independent shops being more affordable. The overall cost may also vary based on the vehicle's make, model, and engine type.

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Code P2C0B Information for Specific Makes

  • P2C0B Chevrolet — Intake Camshaft Profile Actuator Position Sensor 2 Circuit Low Voltage
  • P2C0B GMC — Intake Camshaft Profile Actuator Position Sensor 2 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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