P07AD
Transmission Friction Element F Stuck On
Generic OBD-II
Common symptoms
What you'll notice
- Check the transmission fluid level and condition, and replace if necessary.
- Inspect and clean the transmission solenoids, and replace any faulty ones.
- Perform a transmission flush and filter replacement.
- Inspect and repair any damaged wiring or connectors in the transmission system.
- If all else fails, consider replacing the transmission friction element.
Common causes
Most likely first
- Low transmission fluid levels
- Worn or damaged friction elements in the transmission
- Faulty solenoid valves in the transmission
- Malfunctioning sensors or wiring issues
- Internal mechanical failure of the transmission
How to diagnose & fix
Work through it in order
- Transmission slips or fails to engage properly
- Delayed or erratic shifting between gears
- Vehicle may not move when placed in gear
- Overheating of transmission
- Increased fuel consumption
Read & clear P07AD yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.