AutoCodes – GMC – P2C0A 2019 GMC Sierra

P2C0A 2019 GMC Sierra Code - Intake Camshaft Profile Actuator Position Sensor 2 Performance

Quick Answer

What it means: P2C0A 2019 GMC Sierra indicates Intake Camshaft Profile Actuator Position Sensor 2 Performance.
Common causes: Common causes include Faulty Intake Camshaft Profile Actuator, Intake Camshaft Profile Actuator harness is open or shorted, Intake Camshaft Profile Actuator circuit poor electrical connection.
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.

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Code Popularity 13

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 29, 2026

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2C0A 2019 GMC Sierra Description

The Intake Camshaft Profile Actuator Position Sensor is integrated into the intake camshaft profile actuator assembly and is used by the Engine Control Module (ECM) to monitor the position of the actuator pins that control the camshaft profile sleeve. The sensor uses Hall-effect technology to detect the position of the actuator pin and report whether the mechanism is retracted, extending, or fully extended. This allows the ECM to switch between different camshaft lobe profiles, including high-lift, low-lift, and cylinder deactivation modes, optimizing engine performance, fuel economy, and emissions under varying operating conditions.

Failures can occur due to an internal sensor fault, a damaged actuator assembly, wiring problems, poor electrical connections, or issues in the 5-volt reference, signal, or ground circuits. The ECM continuously compares the sensor feedback to the commanded actuator position. If the sensor signal is out of range, stuck, erratic, or does not correspond to the commanded position, diagnostic trouble codes may be stored. In some cases, contamination, mechanical wear, or a sticking actuator pin can prevent proper movement and cause the sensor readings to become inaccurate.

P2C0A 2019 GMC Sierra Code - Intake Camshaft Profile Actuator Position Sensor 2 Performance

What does this mean?

What are the Possible Causes of the DTC P2C0A 2019 GMC Sierra?

Faulty Intake Camshaft Profile Actuator
Intake Camshaft Profile Actuator harness is open or shorted
Intake Camshaft Profile Actuator circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2C0A 2019 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2C0A 2019 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2C0A 2019 GMC Sierra code?

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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.