Description

Blocking of the TB piston

Effects on the driving operation

No description available.

Possible causes

Jammed piston due to chips in the oil. Piston in the control block jammed and cannot be opened anymore.

Location

Control block in the transmission

Instruction

Perform actuator test.

Make the piston run freely.

Setting conditions for the event

No description available.

Test conditions for the event

No description available.

Final function check

If the defective component cannot be clearly identified, you should try to reproduce the fault:

• Reinstall the component in the vehicle.
• Test the function.

After the fault has been eliminated, the following steps have to be carried out:

• Conduct a test drive with function check.
• Read out the fault memory.
• Check the transmission for leaks.
• Perform a final visual inspection.

These steps are necessary to ensure the entire vehicle functions.

See also:

		Aftersales service index