P2706
Shift Solenoid F
A general fault in shift solenoid F (the sixth gear-selection solenoid in 6-speed and higher transmissions). Detected through electrical resistance, hydraulic response, or downstream gear engagement check.
- 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.
- Aged solenoid coil resistance driftCommon
- Worn valve body bore around the solenoidPossible
Parts involved
- Shift Solenoid F
- Valve Body
P2706 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.