Audi Q3: Trailer Hitch

Overview - Trailer Hitch Socket and 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 - Towing Recognition Control Module -J345-

• Removing and installing. Refer to → Chapter "Towing Recognition Control Module -J345-, Removing and Installing".

4 - Frame

• For Towing Recognition Control Module -J345-

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.

- Disconnect the connector -2-.

- Remove the LED indicator lamp -3- from the cable mount -1- and free up the electric wire -4-.

Installing

Install in reverse order of removal.

Towing Recognition Control Module -J345-, Removing and Installing

- If replacing the control module, select the "Replace Control Module" function see Vehicle Diagnostic Tester.

Removing

- Remove the luggage compartment right side trim panel cover.

- Open the clip -arrow-.

- Remove the control module -4- from the frame.

- Disconnect the connectors -1, 2 and 3-.

Installing

Install in reverse order of removal.

- Remove the illumination ring -1- with the Socket Illumination Bulb -L42- from the center console rear cover -2-.

Installing

Install in reverse order of removal. Note the following:

- The illumination ring can only be inserted into the mount in one position.

- Install the 12 V socket. Refer to → Chapter "12 V Socket 2 -U18-, Removing and Installing".

Special Tools

Locking Pin -T40011-

Calibration Tool -VAS6350-

Trim Removal Wedge -3409-

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