P07FE
Stuck In Gear - Not Specified
The TCM detects that the transmission is stuck in some gear but cannot identify which one — typically because multiple input/output ratio cross-checks fail simultaneously, or an early-detection diagnostic fires before the specific-gear detection runs.
- 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.
- Multiple solenoid or clutch failuresCommon
Parts involved
- Shift Solenoids
- Clutch Pack
P07FE 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.