Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer found a problem with a sensor that helps control how the engine's valves open and close. It's like a referee in a game making a mistake and the game can't continue properly.
The VVL (Variable Valve Lift) system adjusts the engine's valve lift for improved performance and efficiency. A parity error in the reference sensor indicates a communication or signal issue.
The P1014 code is triggered when the Engine Control Module (ECM) detects a parity error in the VVL reference sensor on Bank 1. This sensor is crucial for monitoring the position and movement of the engine's valves, ensuring optimal performance. A parity error suggests that the data being sent by the sensor is not consistent with expected values, potentially due to electrical issues or sensor malfunction.
• Check Engine Light illuminated
• Reduced engine performance
• Poor fuel economy
• Engine misfires
• Faulty VVL reference sensor
• Wiring issues such as shorts or open circuits
• Connector problems or corrosion
• Faulty ECM
VVL: Variable Valve Lift
ECM: Engine Control Module
• Use an OBD-II scanner to confirm the code.
• Inspect the VVL reference sensor and its wiring for damage.
• Check the connector for corrosion or loose connections.
• Test the sensor's signal with a multimeter.
• Replace the faulty VVL reference sensor.
• Repair or replace damaged wiring.
• Clean or replace corroded connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance checks
• Ensure connectors are clean and secure
• Avoid harsh driving conditions that may damage sensors
Sensor Issue
• Do not ignore the Check Engine Light.
• Get the vehicle diagnosed as soon as possible.
• Consider regular maintenance to prevent sensor issues.
Check with the manufacturer for specific warranty coverage on engine sensors.
The P1014 code has been associated with vehicles utilizing advanced VVL systems, highlighting the importance of sensor integrity in modern engines.
Moderate – Addressing this issue promptly can prevent further engine performance problems.
Driving with a malfunctioning sensor can lead to reduced vehicle performance and increased emissions, which may not comply with legal standards.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The VVL reference sensor is typically located near the engine's camshaft on Bank 1.
Q: What is a VVL system?
A: VVL stands for Variable Valve Lift, a system that adjusts the lift of the engine's valves to improve performance and efficiency.
Q: Can I drive with a P1014 code?
A: It's not recommended to drive for extended periods with this code, as it can lead to reduced performance and potential engine damage.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.
Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
View options on Amazon
Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.