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Mk7.5 Euro Rear Tails Not Working - DAP Harness

william.thomas

New member
Location
Virginia
Subject: Mk7.5 Euro Rear Tails Not Working - DAP Harness installed

Problem: Rear Running Lights not working in any "light switch position".
Dynamic turns work
Brake lights work
Reverse light work

Installed on: 2019 Mk7.5 R Facelift

1. Factory Tail Light LEDs were upgraded to Euro Dynamic Tail Light LEDs

DAP Harness installed:
MK7.5 to MK7.5 Facelift LED Tail Light Adapter Harness
https://www.shopdap.com/mk7-5-to-mk7-5-facelift-led-tail-light-adapter-harness.html

Has anyone had a similar problem with rear tail running lights not working after installing DAP Harness?
Help... Thanks in advance...
 

ZERO815

Autocross Champion
Location
Köln Germany
Car(s)
2017 GTI SE DSG
I guess the rear red side marker lights got disabled before you installed the Euro tails. Make sure Leuchte27 settings are correct:

(1)-Leuchte27NSL RC6-Lasttyp 2743 - allgemeine LED
(2)-Leuchte27NSL RC6-Lampendefektbitposition 2700
(3)-Leuchte27NSL RC6-Fehlerort mittleres Byte DTC-DFCC 2754
(4)-Leuchte27NSL RC6-Lichtfunktion A 27Standlicht allgemein (Schlusslicht; Positionslicht; Begrenzungslicht)
(5)-Leuchte27NSL RC6-Lichtfunktion B 27not active
(6)-Leuchte27NSL RC6-Dimmwert AB 27127
(7)-Leuchte27NSL RC6-Lichtansteuerung HD AB 27Always
(8)-Leuchte27NSL RC6-Lichtfunktion C 27not active
(9)-Leuchte27NSL RC6-Lichtfunktion D 27not active
(10)-Leuchte27NSL RC6-Dimmwert CD 270
(11)-Leuchte27NSL RC6-Dimming Direction CD 27maximize
(12)-Leuchte27NSL RC6-Lichtfunktion E 27not active
(13)-Leuchte27NSL RC6-Lichtfunktion F 27not active
(14)-Leuchte27NSL RC6-Dimmwert EF 270
(15)-Leuchte27NSL RC6-Dimming Direction EF 27maximize
(16)-Leuchte27NSL RC6-Lichtfunktion G 27not active
(17)-Leuchte27NSL RC6-Lichtfunktion H 27not active
(18)-Leuchte27NSL RC6-Dimmwert GH 270
(19)-Leuchte27NSL RC6-Dimming Direction GH 27maximize
:
 

Wavy

New member
Location
Parkland, FL
Car(s)
2016 VW GTI SE
Subject: Mk7.5 Euro Rear Tails Not Working - DAP Harness installed

Problem: Rear Running Lights not working in any "light switch position".
Dynamic turns work
Brake lights work
Reverse light work

Installed on: 2019 Mk7.5 R Facelift

1. Factory Tail Light LEDs were upgraded to Euro Dynamic Tail Light LEDs

DAP Harness installed:
MK7.5 to MK7.5 Facelift LED Tail Light Adapter Harness
https://www.shopdap.com/mk7-5-to-mk7-5-facelift-led-tail-light-adapter-harness.html

Has anyone had a similar problem with rear tail running lights not working after installing DAP Harness?
Help... Thanks in advance...
Did you ever get this sorted out? I'm having the same issues. I got my rear fog to work but now I have no daytime rear lights. Break reverse and turn signals all work.
 

Urlik

Go Kart Newbie
Location
San Angelo, TX
Did you ever get this sorted out? I'm having the same issues. I got my rear fog to work but now I have no daytime rear lights. Break reverse and turn signals all work.
AFAIK no rear lights should be illuminated as daytime running lights. They come on only when the headlights are on or parking lights if you have a euro switch.
 

Wavy

New member
Location
Parkland, FL
Car(s)
2016 VW GTI SE
AFAIK no rear lights should be illuminated as daytime running lights. They come on only when the headlights are on or parking lights if you have a euro switch.
I figured out my issue. I had a coding related issue so i coded everything back to stock settings and then recoded everything manually. The running taillights are now working on the car as well as the rear fog. Prior to recoding everything the running taillights were not working at all.
 

REDMK75

New member
Location
Florida
Car(s)
MK7.5 GTI
I figured out my issue. I had a coding related issue so i coded everything back to stock settings and then recoded everything manually. The running taillights are now working on the car as well as the rear fog. Prior to recoding everything the running taillights were not working at all.
Hi! Hope all is well. I’m new here.. looking for assistance with my current situation. I installed DAP dynamic tail lights, followed installation to the “T”. I CAN’T get the rear fog light to work. I do have the euro switch, seems to be coding related. Any assistance will be greatly appreciated.
 
Last edited:

The Fed

Old Guys Rule
Location
Florida
If you haven't already, go over your VCDS settings again. I'm as careful as I can be when changing settings, and the only time I had problems was when doing lights. It only takes one small mistake.
 
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