Golf 7 (5G) – Tail lights on when trunk is open

Purpose: to switch on the halogen or LED tail lights when the trunk / tailgate is open.


Warning! There are 6 lines of coding to do here for halogen or LED lights. Save your original coding.

Proceed :
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer, then plug the other end into your vehicle’s diagnostics socket.

2 – Switch on the ignition and run the VCDS program.


For halogen lights :

Line 1:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte20BR LA71-Lichtfunktion F 20”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“Rear lid open” and confirm.

Line 2:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte20BR LA71-Dimmwert EF 20”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“100” and confirm.

Line 3:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte20BR LA71-Dimming Direction EF 20”.

7 – On this same page, there is a second drop-down menu, but towards the bottom
of the page.
On the latter, choose“maximise” then validate.

Line 4:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte21BR RC8-Lichtfunktion F 21”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“Rear lid open” and confirm.

Line 5:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte21BR RC8-Dimmwert EF 21”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“100” and confirm.

Line 6:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte21BR RC8-Dimming Direction EF 21”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, choose “maximise” then validate.


For LED lights :

Line 1:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte23SL HLC10-Lichtfunktion E 23”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“Rear lid open” and confirm.

Line 2:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte23SL HLC10-Dimmwert EF 23”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“100” and confirm.

Line 3:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte23SL HLC10-Dimming Direction EF 23”.

7 – On this same page, there is a second drop-down menu, but towards the bottom
of the page.
On the latter, choose“maximise” then validate.

Line 4:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte24SL HRA65-Lichtfunktion F 24”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“Rear lid open” and confirm.

Line 5:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte24SL HRA65-Dimmwert EF 24”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, select“100” and confirm.

Line 6:

3 – Click on“Select”, then click on“09 – Cent. Elect.”.

4 – Click on“Security Access – 16” then enter the code“31347”.

5 – Click on“Adaptation – 10”.

6 – On this page, at the very top, there is a drop-down menu.
In this drop-down menu, choose“Leuchte24SL HRA65-Dimming Direction EF 24”.

7 – On this same page, there is a second drop-down menu at the bottom
of the page.
On this menu, choose “maximise” then validate.




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