Removing and installing trailer socket U10 — AUDI

🧭 Before you start

Fits: VW Caddy III (2K, 2004–2015); platform code 2C0

Don't miss

• Proceed with care when pulling off retaining cage (1) in order to prevent the contacts (2) from being disconnected from the wiring harness.
• Be especially careful that seals (1) and (3) are not damaged.

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Switch off ignition and all electrical consumers, and remove ignition key.
2. Remove securing bolts (arrows).
3. Remove trailer socket U10 from retaining plate.
4. Pull rubber cover off trailer socket.
5. Depending on equipment level, disconnect connector (2) for rear fog light cut-out contact switch F216.

6. Push multi-pin connector (2) in direction of (arrow) out of socket housing (1).
7. Release fasteners (arrows), and remove multi-pin connector frame (2).
8. Release retaining clips (arrows), and remove retaining cage (1) from multi-pin connector (3). [Note: Proceed with care when pulling off retaining cage (1) in order to prevent the contacts (2) from being disconnected from the wiring harness.] [Note: The retaining cage (1) can only be pushed onto the multi-pin connector (3) and engaged in one specific position.The guide pins (4) on retaining cage (1) only fit into the multi-pin connector (3) in one specific position.To insert the guide pins into the multi-pin connector all contacts (2) must be properly inserted in the retaining cage at the correct positions.]
9. Insert contacts (2) in retaining cage (1) and push retaining cage into multi-pin connector (3) until it engages audibly.
10. Push multi-pin connector (4) into retaining cage (2) until it engages audibly. [Note: Be especially careful that seals (1) and (3) are not damaged.]
11. Slide multi-pin connector in correct installation position from behind into socket housing.
12. Fit rubber cover onto socket housing and fit trailer socket to retaining plate.
13. Screw in 3 securing bolts, and tighten them to 2 Nm. — 2 Nm (1.5 lb-ft)

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