P2709
Shift Solenoid F Electrical
Electrical fault in shift solenoid F — open or shorted coil, or short to ground/battery in the harness.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Open solenoid coilCommon
- Short to ground or battery in the harnessPossible
Parts involved
- Shift Solenoid F
- Wiring Harness
P2709 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.