Removing and installing engine control unit J623, Golf — VW

🧭 Before you start

Fits: VW Golf VI (5K, 2008–2013)

🔧 Engine codes this applies to

📋 Procedure

1. Switch off ignition.
2. Remove wiper arms Electrical system92Windscreen wiper system; Removing and installing wiper arms.
3. Remove plenum chamber cover General body repairs, exterior50Plenum chamber bulkhead; Removing and installing plenum chamber cover.
4. Remove plenum chamber bulkhead General body repairs, exterior50Plenum chamber bulkhead; Assembly overview – plenum chamber bulkhead.
5. Press retaining frame down in (direction of arrow) and remove engine control unit.

6. Push connector locking devices in direction of (arrow), and pull connectors off.
7. Fit connectors to engine control unit and slide locking devices onto stop in direction of (arrow).
8. Insert engine control unit into retaining frame and press retaining frame upwards in (direction of arrow)
9. Install wiper arms Electrical system92Windscreen wiper system; Removing and installing wiper arms.
10. Install plenum chamber cover General body repairs, exterior50Plenum chamber bulkhead; Removing and installing plenum chamber cover.
11. Install plenum chamber bulkhead General body repairs, exterior50Plenum chamber bulkhead; Assembly overview – plenum chamber bulkhead.

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