Audi A6 Typ 4G: Trailer Hitch
Overview - Outlet, Towing Recognition Control Module

1 - LED Indicator Lamp
- Trailer Hitch -Locked- Indicator Lamp -K226-, Trailer Hitch
-Unlocked- Indicator Lamp -K227-
- Make sure the trailer hitch is locked correctly
- Removing and installing. Refer to
→ Chapter "LED Indicator Lamp, Removing and Installing".
2 - Mount
- For the cable
- For unlocking the trailer hitch
3 - Upper Frame
- For Towing Recognition Control Module -J345-
4 - Towing Recognition Control Module -J345-
- Removing and installing. Refer to
→ Chapter "Towing Recognition Control Module -J345-, Removing and
Installing".
5 - Connectors
6 - Trailer Socket -U10-
- Removing and installing. Refer to
→ Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.
- For the connector assignment. Refer to
→ Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.
LED Indicator Lamp, Removing and Installing
Removing
- Remove the luggage compartment left side trim panel cover.
- Remove the LED indicator lamp -4-
from the cable mount -1- and free
up the electric wire -3-.
- Remove the connector -2- from
the mount and disconnect it.
Installing
Install in reverse order of removal.

Towing Recognition Control Module -J345-, Removing and Installing
- If the control module was replaced, select the "Replace"
function for the respective control module in "Guided Fault
Finding" or "Guided Functions" using the Vehicle Diagnostic
Tester.
Removing
- Remove the luggage compartment right side trim panel cover.
- Disconnect the connectors -2, 3 and 4-.
- Release the tab in direction of
-arrow- and remove the towing recognition control module
-1- from the upper retaining frame.
Installing
Install in reverse order of removal.

READ NEXT:
Socket Illumination Bulb -L42- Removing and Installing, 12 V Socket
-U5-
Special tools and workshop equipment
required
Removing
- Remove the center console storage compartment. Refer to
→&nbs
Overview - Relay Carriers, Fuse Panels and E-Boxes
1 - Nut
3 Nm
Quantity: 2
2 - Screw
3 Nm
Quantity: 4
3 - Engine Control Module
4 - Nut
3 Nm
Quant
SEE MORE:
Overview - Rear Side Window
1 - Side Window
Roof trim molding and side trim molding are removed.
The "C-pillar" trim is removed.
Remove the window.
When installing a new window, first press it into the
"D-pillar" with the securing pin and then
insert the whole thing into the win
Overview - Front Keyless Access Authorization System, Sedan
1 - Electronic Steering Column Lock Control Module -J764-
Removing and installing. Refer to
→ Suspension, Wheels, Steering; Rep. Gr.48; Steering Column; Electronic
Steering Column Lock Control Module J764, R