Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is getting a signal from a sensor that is too high. This sensor helps control the engine's camshaft, which is like a spinning stick that helps the engine run smoothly.
The P2C19 code indicates that the signal from the camshaft profile actuator position sensor is higher than expected. This sensor monitors the position of the camshaft to ensure it is functioning correctly.
The camshaft profile actuator position sensor monitors the position of the camshaft in relation to the engine's timing. When the ECU detects a voltage signal that is higher than the specified range, it triggers the P2C19 code. This could be due to a malfunctioning sensor, wiring issues, or a problem with the actuator itself.
• Check Engine Light is on
• Engine may run rough or idle poorly
• Decreased engine performance
• Faulty camshaft profile actuator position sensor
• Wiring issues or poor electrical connections
• Malfunctioning camshaft actuator
Camshaft: A rotating shaft within the engine that opens and closes the intake and exhaust valves.
Actuator: A device that moves or controls a mechanism or system.
• Use an OBD-II scanner to confirm the code
• Inspect the wiring and connections to the sensor
• Test the camshaft profile actuator position sensor
• Replace the camshaft profile actuator position sensor
• Repair or replace damaged wiring
• Replace the camshaft actuator if necessary
• OBD-II scanner
• Multimeter
• Socket set
$150 - $500
Moderate
• Chevrolet Malibu
• GMC Acadia
• Buick Enclave
• Regular maintenance and inspection of engine components
• Ensure proper oil levels and quality
• Check wiring and connections periodically
Sensor Issue
• Do not ignore the Check Engine Light
• Consult a professional mechanic if unsure
• Regularly maintain your vehicle to prevent such issues
Check your vehicle's warranty for coverage on engine sensors and components.
This code has been associated with vehicles that have advanced variable valve timing systems, which rely on precise sensor data.
Moderate – While the car may still run, ignoring this issue could lead to more serious engine problems.
Driving with a malfunctioning engine sensor can lead to increased emissions and potential engine damage.
• Engine at operating temperature
• Vehicle parked and engine idling
The camshaft profile actuator position sensor is typically located near the top of the engine, close to the camshaft.
Q: Can I drive with a P2C19 code?
A: It is not recommended to drive for extended periods with this code, as it could lead to further engine damage.
Q: How do I reset the Check Engine Light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes to reset the system.
Specialty · Vacuum pump and bleeder
Useful for vacuum checks, actuator testing, and some brake or emissions diagnostics.
Useful for testing vacuum-operated components and some bleeding procedures.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for verifying supporting electrical signals while testing the system.
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Universal · Socket set
A practical metric and SAE socket set for many diagnostic teardowns and component replacements.
Useful for access and removal work during diagnosis.
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