Conditions

Internal Fault:

Fault symptoms
The seat cannot be operated either manually or by the memory settings.
Operation possible for just 500 ms.

Conditions
The control module's self-diagnostics circuit has detected an internal fault.

Diagnostic help
Check the function of the buttons before replacing the control module. The seat may be in its end position or the button functions may be damaged, see Fault Diagnosis, Fault Symptoms/Fault Symptom Table.