Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a part in your car that helps control how smoothly your car changes gears. It's like a switch that isn't working right.
The P2738 code indicates that the transmission control module (TCM) has detected a low voltage or resistance issue in the control circuit for the pressure control solenoid F.
The pressure control solenoid F is responsible for regulating hydraulic pressure in the transmission. A low circuit condition suggests that the solenoid is not receiving the correct voltage or resistance, which can affect transmission performance and shift quality.
• Harsh or erratic shifting
• Transmission slipping
• Decreased fuel efficiency
• Faulty pressure control solenoid F
• Wiring issues such as shorts or open circuits
• Faulty transmission control module (TCM)
Solenoid: An electromechanical device that controls the flow of fluid.
TCM: Transmission Control Module, a computer that controls transmission functions.
• Use an OBD-II scanner to confirm the code.
• Inspect wiring and connectors for damage or corrosion.
• Test the pressure control solenoid F for proper resistance.
• Replace the faulty pressure control solenoid F.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the transmission control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Toyota Camry
• Honda Accord
• Ford Focus
• Regular transmission fluid changes
• Routine inspection of wiring and connectors
• Avoiding harsh driving conditions
Transmission Performance
• Avoid driving aggressively until repaired.
• Schedule a repair with a qualified mechanic.
• Check for other related codes.
Check with your vehicle manufacturer for warranty coverage on transmission components.
This code has been associated with transmission issues in vehicles with high mileage or poor maintenance history.
Moderate – It should be addressed soon to avoid further transmission damage.
Ignoring transmission issues can lead to unsafe driving conditions and potential legal liabilities.
• Vehicle at operating temperature
• Transmission in gear
The pressure control solenoid F is located inside the transmission, typically accessible by removing the transmission pan.
Q: Can I drive with a P2738 code?
A: It's possible to drive short distances, but it's not recommended as it may cause further damage.
Q: How do I reset the P2738 code?
A: You can reset the code with an OBD-II scanner, but it's important to fix the underlying issue first.
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