Possible causes, elimination, notes

This fault is stored in the following cases:

1. There is an open circuit in the wire to the Hall-effect sensor for backrest adjustment.
2. The Hall-effect sensor is faulty.
3. The control module is faulty.

Elimination: 

• Check plug on control module for contact and damage.
• Check wire to sensor for damage.

Once the cause of the fault has been found and eliminated, actuate the fore-and-aft adjustment switch. The text in the fault memory changes from present  to not present  if the cause of the fault has really been eliminated.

• If no fault is detected in the wire, replace the electric motor for seat adjustment.
• If the fault is still present  , replace control module.