Audi A4: Trailer Hitch
Overview - Trailer Hitch

1 -
Information Label
- On the left side of the body at the rear
2 -
Towing Recognition Control Module -J345-
- Removing and installing. Refer to
→ Chapter "Towing Recognition Control Module -J345-, Removing and
Installing".
3 -
Trailer Hitch Release Button -E754-
- Removing and installing. Refer to
→ Electrical Equipment; Rep. Gr.96; Controls; Component Location
Overview - Luggage Compartment Controls.
4 -
Trailer Socket -U10-
- Removing and installing. Refer to
→ Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.
5 -
Trailer Hitch
- Only removable with the impact member
- Removing and installing. Refer to
→ Chapter "Overview - Impact Member".
Towing Recognition Control Module -J345-, Removing and Installing
Removing
- Open the left service cover. Refer to
→ Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels;
Overview - Luggage Compartment Side Trim Panel.
- Disconnect the connectors -4 through 7-.
- Release the retainers -1- in the
direction of -arrows- and remove
the Towing Recognition Control Module -J345--2-
from the bracket -3-.

Installing
Install in reverse order of removal.
Special Tools
Special tools and workshop equipment
required
- Engine/Gearbox Jack - Gearbox Support -T10337-

- Wedge Set -T10383-
- Wedge 1 -T10383/1-

- Socket - Torx T50 -T10470-


- Double Suction Lifter -VAG1344-

- Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A-

- Angled Screwdriver -VAS6416-

- Engine and Gearbox Jack -VAS6931-


- Trim Removal Wedge -3409-

Revision History
DRUCK NUMBER: A005A014621

READ NEXT:
Safety Precautions when Working on Vehicles with Start/Stop System
There is a risk of injury due to the engine starting
unexpectedly.
The engine can start unexpectedly on vehicles with an activated
SEE MORE:
Wheel Bearing Unit, Removing and Installing, FWD
Special tools and workshop equipment required
Puller - Grease Cap -VW637/2-
Camshaft Installer Kit - Sleeve -3241/4- from the Seal
Installer - Camshaft Installer Kit -3241-
Torque Wrench 1332 40-200Nm -VAG1332-
Torque Wrench 1410 -VAG1410-
&n
Operating the parking brake
The electromechanical parking brake is used to
secure the vehicle from rolling away unintentionally.
The switch is located under the
selector lever
in the center console. It turns on when the parking
brake is set. You can release the parking
brake manually or automatic