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 a part in the car that controls the pressure of the transmission fluid is stuck in the 'on' position, which might make the car shift gears weirdly.
The pressure control solenoid P is responsible for regulating the pressure of the transmission fluid. If it gets stuck, it can cause issues with how the car changes gears.
The P27C2 code indicates that the pressure control solenoid labeled 'P' within the transmission system is stuck in the 'on' position. This solenoid is crucial for controlling hydraulic pressure, which affects gear shifting and overall transmission performance.
• Harsh or erratic shifting
• Transmission slipping
• Illuminated check engine light
• Faulty pressure control solenoid
• Transmission fluid contamination
• Electrical issues in the solenoid circuit
Solenoid: An electromechanical device that controls the flow of fluid.
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
• Check for any additional trouble codes.
• Inspect the transmission fluid for contamination.
• Test the solenoid circuit for electrical issues.
• Replace the faulty solenoid.
• Flush and replace the transmission fluid.
• Repair or replace damaged wiring in the solenoid circuit.
• OBD-II scanner
• Multimeter
• Transmission fluid flush kit
$200 - $600
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram
• Regular transmission fluid changes
• Routine transmission maintenance
• Avoid aggressive driving habits
Transmission System Issue
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for accurate diagnosis.
Check with your vehicle's manufacturer for specific warranty coverage on transmission components.
This code has been reported in vehicles with high mileage or poor maintenance history.
High – Immediate attention required to prevent transmission damage.
Driving with transmission issues can lead to unsafe driving conditions and should be addressed promptly.
• Vehicle at operating temperature
• Transmission in gear
The pressure control solenoid is located inside the transmission, typically accessible by removing the transmission pan.
Q: Can I drive with a P27C2 code?
A: It's not recommended as it can cause further transmission damage.
Q: How do I reset the P27C2 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.
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.