Renewing diesel direct injection system control unit J248 — VW

🧭 Before you start

Fits: platform code 6N1

🔧 Engine codes this applies to

📐 41 workshop diagrams for AMF

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. First print out the control unit identification and thereby the previous control unit coding as follows:
2. Connect fault readerV.A.G 1551 and select engine electronics control unit with "“address word 01”".
3. Print out the control unit identification by pressing the fault reader Print button.
4. Press GoTo button.
5. Press buttons 0 and 6 for function "“End output”" and confirm entry with Q button.

6. Switch off ignition.
7. Remove wiper arms and cowl panel: 92
8. Release connectors on diesel direct injection system control unit J248 and unplug connectors.
9. Unclip thediesel direct injection system control unit J248 from the retainer (arrows).
10. Install the new diesel direct injection system control unit J248.
11. Check the previous coding and code the new diesel direct injection system control unit J248
12. Adapt engine control unit to electronic immobilizer .
13. Then interrogate the fault memory of the new engine control unit and erase the fault memory if necessary, erase fault memory .

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