P2739 code meaning
Pressure Control Solenoid F Control Circuit High
Powertrain system Generic code P27xx codes Check engine light
What P2739 means
P2739 appears when solenoid F's control line sits too high, usually because it touches battery voltage. GM reacts faster here than for the low case: 25OBDG03A needs only 0.06 s within 0.13 s before the Type A fault is set. The Corvette dual-clutch TCM checks its clutch cooling valve with the driver on and sets P2739 above a sense threshold that rises with supply voltage, from roughly 0.7 V at a supply under 11.5 V to roughly 1.1 V beyond 15.5 V. It also runs a neighbour test at shutdown, switching each low-side output in turn; if two outputs turn out to be shorted together, the result is saved and the code appears at the next start. Ford's TR9070 uses P2739 for shorted load on the odd clutch cooling valve. A shorted coil can overload the driver.
P2739 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P2739
- MIL on and limp-home mode
- Shifts missing or valve function lost
Common causes of P2739
- Most likelyControl wire shorted to battery voltage
- PossibleShort between two solenoid lines in the harness or connector
- PossibleSolenoid F coil shorted internally
- Less likelyTCM output stage damaged
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Pressure control solenoid fWiring harness
What each part of P2739 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 2 | Generic code (second SAE range): it means the same on every make. |
| 7 | Area: transmission. |
| 39 | The exact fault in that area. |
What to do next
- Note P2739 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P2739
What does P2739 mean?
P2739 means "Pressure Control Solenoid F Control Circuit High". P2739 appears when solenoid F's control line sits too high, usually because it touches battery voltage. It is a generic code, so it means the same on every make.
Is it safe to drive with P2739?
Drive gently and only to a workshop. With P2739 the car can go into limp mode (reduced power) to protect itself.
Will P2739 fail an emissions test?
Yes, it can. P2739 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P2739 to fix?
Difficulty: medium. A typical repair takes 0.5 to 5 hours of work. This is a job for a workshop.
Will P2739 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.