P2731
Pressure Control Solenoid F
Automatic transmission
Generic OBD-II
Medium
What it means
P2731 is a general fault for pressure control solenoid F in the automatic transmission. This solenoid regulates hydraulic pressure used for shifting, so a fault typically shows up as harsh or incorrect shifts and can force the transmission into a protective limp mode. It is a transmission-control fault and does not affect whether the engine starts.
Medium
Can I keep driving? Drivable, but shifts may be harsh or the transmission may drop into limp mode until the fault is repaired.
Common symptoms
What you'll notice
- Check-engine light on
- Harsh, delayed, or incorrect shifts
- Transmission stuck in one gear (limp mode)
- Slipping or flaring during gear changes
Common causes
Most likely first
- Electrical fault (open or short) in the solenoid F circuitLikely
- Failed pressure control solenoid FCommon
- Corroded or loose connector at the transmission or TCMCommon
- Damaged internal transmission harnessLess often
- Faulty TCM/PCM driver (least likely)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and check for companion pressure-control-solenoid codes.
- Check transmission fluid level and condition.
- Inspect the solenoid connector and internal harness for opens, shorts, or corrosion.
- Measure the solenoid resistance and confirm supply and ground.
- Replace the solenoid if it fails electrically; otherwise repair the wiring. Clear and re-test.
FAQ
Quick answers
Is it safe to drive with P2731?+
Short trips are usually okay, but the transmission may shift harshly or enter limp mode to protect itself. Have it repaired before extended driving.
Can I just clear P2731?+
It will return until the solenoid or its circuit is repaired. Clearing does not restore proper hydraulic pressure control.
Related codes
Often seen with P2731
Read & clear P2731 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX