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 computer in your car is getting a signal that the pressure sensor for cylinder number 12 is not working properly. It's like a broken thermometer that can't tell you the right temperature.
The engine control module (ECM) has detected a low voltage signal from the pressure sensor circuit for cylinder 12, indicating a possible issue with the sensor or its wiring.
The P2368 code is triggered when the ECM receives a signal from the cylinder 12 pressure sensor that is below the expected range. This could be due to a malfunctioning sensor, a wiring issue, or a poor connection in the sensor circuit.
• Check Engine Light illuminated
• Poor engine performance
• Engine misfires
• Faulty cylinder 12 pressure sensor
• Damaged or corroded wiring or connectors
• ECM malfunction
ECM: Engine Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for cylinder 12 pressure sensor.
• Test the pressure sensor with a multimeter.
• Replace the faulty pressure sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance and inspections
• Keep electrical connections clean and secure
• Use high-quality replacement parts
Sensor Issue
• Do not ignore the Check Engine Light.
• Have your vehicle diagnosed by a professional.
• Avoid driving the vehicle if it shows severe symptoms.
Check with your vehicle manufacturer for warranty coverage on sensor-related issues.
This code is less common and typically occurs in vehicles with high mileage or poor maintenance history.
Moderate – Addressing this code promptly can prevent further engine damage.
Driving with a malfunctioning pressure sensor can lead to engine damage and may not meet emissions standards.
• Engine at operating temperature
• Vehicle in idle or under load
The cylinder 12 pressure sensor is typically located on the engine block near cylinder 12.
Q: Can I drive with a P2368 code?
A: It's not recommended to drive for long periods with this code as it can lead to engine damage.
Q: How can I prevent this code from appearing?
A: Regular maintenance and inspections can help prevent sensor-related issues.
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.