P0811
Excessive Clutch A Slippage
What it means
P0811 means Excessive Clutch A Slippage.
Check these first
- A worn clutch A disc or pressure plate
- An incorrect clutch A adjustment
- Fluid contamination on clutch A
- Clutch A overheating from slipping
- A faulty clutch A position sensor
What to do next
- Read clutch A slip data on a scan tool
- Check the clutch A adjustment
- Inspect the clutch A for wear or contamination
- Check the clutch A position sensor signal
- Replace the clutch A if it is worn
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.