Repairing central locking system — AUDI
Repairing central locking system on Audi: factory workshop procedure. Full factory text, tools and checks.
Workshop procedure for AUDI — the factory write-up, straight from real workshop data.
📋 Procedure
Audi
Audi A8
2010
Body
A8 Security body
Edition
05.2015
Repairing central locking system
Note
The actuators in the doors are integrated in the lock and have 2 motors.
The actuators cannot be renewed separately.
The first motor locks the door, whereas the second motor locks the interior door handle (SAFE function = country-specific).
The locked doors can no longer be opened from inside the car.
Following an accident in which an airbag was triggered, the convenience system central control unit
J393 unlocks any door lock.
The convenience system central control unit
J393 is located behind the rear seat panel and is accessible from the luggage compartment.
Exploded view of components
Front passenger door control unit
J387
Removing and installing
Anti-theft alarm sensor
G578
Rear right door control unit
J389
Removing and installing
Tank filler flap locking motor
V 155
Removing and installing (repair group 57: Repairing central locking system; Removing and installing) tank filler flap locking motor
V 155
Convenience system central control unit
J393
Removing and installing (repair group 57: Repairing central locking system)
Rear lid release motor
V139
Interface control unit for vehicle location system
J843
Removing and installing (repair group 57: Repairing central locking system)
Rear lid control unit
J605
Removing and installing (repair group 57: Repairing central locking system)
Rear left door control unit
J388
Removing and installing
Driver door control unit
J386
Removing and installing
Bonnet contact switch
F266
Removing and installing driver door control unit
J386
Removing door trim (repair group 70: Door trim (front); Removing and installing door trim (front)).
Unplug electrical connectors on control unit (1).
Press retaining catch in direction of arrow and disengage door control unit (1) from mounting panel.
Installing
Install in reverse order of removal; make sure catch engages in mounting panel.
Removing and installing rear left door control unit
J388
Removing door trim (repair group 70: Door trim (rear); Removing and installing door trim (rear)).
Unplug electrical connectors on control unit (1).
Press retainer in direction of (arrow) and disengage door control unit (1) from mounting panel.
Installing
Install in reverse order of removal, make sure catch engages in mounting panel.
TorqFix answers live for your specific car — tell it the engine code and it serves the matching sequence, torque figures and wiring for that exact variant.
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix → · How these pages are made →Workshop data on this page last updated 20 Sep 2026.