P0811Generic code

P0811 Code: Excessive Clutch Slippage

The P0811 code means the computer detected that the clutch is slipping too much. It is typical of automated or dual-clutch transmissions with a worn clutch. A slipping clutch builds heat and wears out faster and faster, so have it checked soon.

Severity
High
Can I keep driving?
Yes, but with caution
Estimated cost
$400 to $2,000
Difficulty
Hard
System
Transmission
Applies to
All OBD2 vehicles

Updated Reviewed by Renzo Chacca

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What the P0811 code means

The computer compares engine speed with the speed of the transmission input shaft. With the clutch engaged they should match. If there is a sustained difference, the clutch is slipping and the P0811 code is stored.

A slipping clutch generates heat and wears faster and faster. On dry dual-clutch transmissions (such as the 7-speed DSG or the Ford PowerShift), continued slipping is a known failure.

On dry dual-clutch transmissions, driving in stop-and-go traffic with constant starts and stops, or holding the vehicle on a hill with the accelerator instead of the brake, heats and wears the clutches very quickly. After the clutch is replaced, the touch point relearn is essential.

P0811 code symptoms

  • Engine rpm rises without the vehicle accelerating.
  • Smell of burning clutch.
  • Jerking or vibration when pulling away.

Likely causes of the P0811 code

  1. Worn clutch. The most frequent cause.
  2. Oil or grease on the disc from a leaking seal.
  3. Clutch actuator that does not apply full force.
  4. Relearn out of adjustment. The touch point is not correct.

How to diagnose the P0811 code step by step

  1. Compare engine speed with the transmission input speed.
  2. Run the clutch relearn.
  3. Check the clutch wear.
  4. Run the touch point relearn after any clutch repair.

How to fix the P0811 code

  • Replace the clutch.
  • Repair the leaking seal.
  • Run the relearn procedure.

Technical reference data

  • With the clutch engaged, engine speed and input speed should match.
  • These are approximate values: check the manufacturer data for your vehicle.

Brand-specific notes

This code is frequent on dry dual-clutch transmissions. The ones below are the units the source mentions.

P0811 on Ford

Frequent on the Ford PowerShift (Fiesta, Focus).

P0811 on Volkswagen

Frequent on the Volkswagen DSG DQ200.

Frequently asked questions about P0811

What does the P0811 code mean?
It is a generic OBD2 code that means the computer detected that the clutch is slipping too much. Engine speed and transmission input speed do not match when they should.
Can I drive with a P0811 code?
As little as possible. The clutch wears more and more with every mile, so get it checked soon.
What usually fails?
The clutch.
Are there manufacturer campaigns?
On some models, yes. Ask at a dealership.
How much does it cost to fix P0811?
Between $400 and $2,000.
Will a P0811 code clear itself?
No. A worn clutch does not recover, so the P0811 code will come back, and the slipping will get worse until it is repaired.
What is the most common cause of P0811?
A worn clutch. Stop-and-go driving and holding the vehicle on a hill with the accelerator wear dry dual-clutch units very quickly.

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Questions about the P0811 code

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