Removing and installing lane change assist control unit J769/J770 — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

Don't miss

• Refit all cable ties at the same locations when reinstalling.

📋 Procedure

1. Remove cover in luggage compartment side trim (right-side).
2. Cut through cable tie (3) and move foam sheath (2) to one side.
3. Unplug electrical connector (1).
4. Remove rear cross panel trim (repair group 70).
5. Remove rear bumper cover (repair group 63).

6. Guide out wiring harness (4) through body opening (arrow).
7. Unplug electrical connector (3).
8. Remove bolts (2) and (4).
9. Pull lane change assist control unit (1) out of mounting on bumper (arrow). [Note: Refit all cable ties at the same locations when reinstalling.]
10. Install rear bumper cover (repair group 63).
11. Install rear cross panel trim (repair group 70).

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