Description

Timeout of communication with the air-pressure sensor

Effects on the driving operation

Unable to use the topography-related shift program

Possible causes

Defective air-pressure sensor (in the E300.1 control unit)

Location

Control unit E300.1

Instruction

Check plug connections, cabling and sensor.

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