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Engine-Codes – Generic – P2C05

P2C05 Code - Intake Camshaft Profile Actuator Position Sensor 1 Circuit

Quick Answer

The P2C05 code indicates a malfunction in the Intake Camshaft Profile Actuator Position Sensor 1 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
P2C05 indicates Intake Camshaft Profile Actuator Position Sensor 1 Circuit.
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 P2C05 Description

The P2C05 code indicates a malfunction in the Intake Camshaft Profile Actuator Position Sensor 1 Circuit. This sensor is crucial for the Engine Control Module (ECM) as it monitors the position of the actuator pins that control the camshaft profile sleeve. Utilizing Hall-effect technology, the sensor detects whether the actuator pin is retracted, extending, or fully extended. This information allows the ECM to adjust the camshaft profile between various modes, such as high-lift for maximum performance, low-lift for fuel efficiency, and cylinder deactivation for reduced emissions.
OBDII Code P2C05 - Intake Camshaft Profile Actuator Position Sensor 1 Circuit
P2C05 Code - Intake Camshaft Profile Actuator Position Sensor 1 Circuit

Common Causes of P2C05

  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. Contamination or mechanical wear affecting the actuator pin movement

Symptoms of P2C05

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Decreased engine performance, including reduced power and acceleration
  3. Rough idling or engine misfires
  4. Increased fuel consumption
  5. Unusual engine noises, such as knocking or ticking sounds

How to Fix P2C05

  1. Perform a visual inspection of the Intake Camshaft Profile Actuator and its wiring harness for damage or corrosion.
  2. Test the Intake Camshaft Profile Actuator Position Sensor using a multimeter to check for proper voltage and resistance.
  3. Inspect and repair any poor electrical connections or damaged wiring in the actuator circuit.
  4. If the actuator or sensor is found to be faulty, replace the defective component with a new one.
  5. Clear the diagnostic trouble codes and perform a road test to ensure the issue is resolved and the engine operates normally.

Cost to Fix P2C05

The cost to diagnose and repair the P2C05 code typically ranges from $200 to $600, depending on the specific repairs needed. This estimate includes parts and labor, with parts such as the intake camshaft profile actuator or sensor generally costing between $100 and $300. Labor costs can vary significantly based on location and shop type, with most shops charging between $80 and $150 per hour. Dealerships may charge higher rates, while independent shops may offer lower prices.

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Code P2C05 Information for Specific Makes

  • P2C05 Chevrolet — Intake Camshaft Profile Actuator Position Sensor 1 Circuit
  • P2C05 GMC — Intake Camshaft Profile Actuator Position Sensor 1 Circuit
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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