B1605

Read the instructions below then start the fault diagnostic procedure.

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

B1605

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 functionality of the buttons before changing the control module. The seat could be in one end position or the buttons may be damaged, see Troubleshooting, fault symptoms.