P270F
Transmission Friction Element F Temperature Too High
Friction element F inside the automatic transmission has reached over-temperature.
- 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.
- Excessive slip due to worn clutch or low pressureCommon
- Restricted transmission fluid coolerPossible
- Sustained heavy load such as trailer towingPossible
Parts involved
- Friction Element F
- Transmission Fluid
- Cooler
P270F 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.