P07AC
Transmission Friction Element F Performance/Stuck Off
What it means
P07AC means Transmission Friction Element F Performance/Stuck Off.
Check these first
- A friction element F that will not apply
- A solenoid or valve body fault holding element F off
- A failed transmission fluid pump
- Low or degraded transmission fluid
- A TCM calibration fault
What to do next
- Read friction element F apply data on a scan tool
- Command the element F apply and watch slip
- Check the fluid level and condition
- Test the solenoid and valve body on element F
- Repair the element F circuit if it will not apply
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.