Also known as

Door Control Unit

Driver Door Module

DDM

Window Motor Module

Door Electronics Module

Front Left Door ECU

What this part does

The front left door control module acts as the localized computer for the driver-side door assembly. It routes signals from the master window switch, door lock cylinder, and mirror controls through the vehicle's CAN bus network to the main body controller. This unit dictates the operation of the power window motor, door locking mechanisms, mirror heating, and memory seating adjustments. If this module faults or suffers water damage, the driver door may lose all electrical functions, including the ability to operate other windows from the master switch panel.

Fits these vehicles

OEM and interchange numbers

7PP959793S

7PP-959-793-S

7PP 959 793 S

Before you order

Verify that your original module matches the 7PP959793S part number exactly, as internal hardware and pinouts vary significantly based on vehicle options like memory seats or power-folding mirrors. This module is component-protected and will require coding with a Porsche PIWIS diagnostic system after installation to synchronize with the vehicle's network. Inspect your door harness connector for any signs of green corrosion before plugging this replacement in, as window seal leaks are a common cause of failure for these units.