Removing and installing trailer detector control unit J345 (Avant) — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

📋 Procedure

1. If control unit is to be renewed, select the "“Replace control unit”" function for appropriate control unit in .
2. Remove luggage compartment side trim (right-side).
3. Take jack out of mounting.
4. Unscrew nuts (1) and (2) and bolt (3).
5. Remove mounting for jack.

6. Remove towing eye (1) from moulding for vehicle tools (2).
7. Remove nut (right arrow).
8. Unscrew nut (left arrow) and remove moulding for vehicle tools.
9. Remove floor panel in luggage compartment (1) and cover for moulded insert (deep version) (2).
10. Slide fastening rings (2) together on retainer (1) so that they are not positioned above the bolts.
11. Unscrew bolts (arrow) and remove retainer.
12. Detach luggage compartment side trim (bottom section) 70.
13. Release retaining clips (arrows A) and pivot trailer detector control unit J345(item 1) slightly out.
14. Release retaining clip (arrow B) and pivot trailer detector control unit J345 out of mounting frame.
15. Unplug electrical connectors (2 ... 4).

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