VW Tiguan AD1 2016 Euro LED Taillight Retrofit

   #1  

kjrehsi

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Hi Guys,

Anybody here carried out retrofit of Euro LED Taillight Retrofit on a AD1 Tiguan?

Vorher-nachher.png


I'd appreciate any information on how to make a suitable harness :)

Thanks
 
   #2  

kjrehsi

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Well looks like not many here have done the retrofit

So I went to erwin and purchased the relevant diagrams for the LED taillights :)

Left Tail light

left-lamp.png


Right Tail light

right-lamp.png


So from the above diagrams it seems like I will need to run few wires from BCM for the conversion

BCM - T73a Pin 71 --> Left Lamp - Pin 3 (Already present in Pin 2) - Brake light
BCM - T73b Pin 3 --> Left Lamp - Pin 2 - Tail light
BCM - T73b Pin 11 --> Left Lamp - Pin 4 - Reverse

BCM - T73b Pin 9 --> Right Lamp - Pin 2 - Tail light
BCM - T73a Pin 64 --> Right Lamp - Pin 4 - Reverse

Currently looking at the wire colours in the plugs I have the following

Left Lamp (current)
Pin1 - brown
Pin2 - black / red
Pin3 - empty
Pin4 - empty
Pin5 - white / black

Right Lamp (Current)
Pin1 - brown
Pin2 - purple / black
Pin3 - empty
Pin4 - empty
Pin5 - green / black

What do you suggest guys?
 
   #3  

kjrehsi

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Hi All,

Just to update this thread, somebody finally helped me on one of the forums and made a wiring 'plan' to follow i.e. run 4 wires from BCM to the outer tail lights and reposition pin at plug A to plug C..

So apparently the wiring diagram I got from erwin website aren't correct? :confused:

Here are the correct ones

tiguan-led-Lamps.png


tiguan-led-Lamps-inner.png

This was the wiring plan

Outer Lamp Left
Add wires from BCM T73c / 3 to Pin 2
Add wires from BCM T73c / 11 to Pin 4

Outer Lamp Right -
Add wires from BCM T73c / 9 to Pin 2
Add wires from BCM T73a / 64 to Pin 4

Inner Lamps -
Reposition Pin T73a / 64 at BCM to T73c / 6

I got a copy of Tail light settings from a Highline Tiguan and was able to code the new LEDs tail lights.

However, not so successful unfortunately

As you can see from the second images, Inner Brake Lamps don't work :( Because in the new LED's the reverse lights
have moved to outer lamps so when I put the car in reverse its then they activate lol

I have checked the coding multiple times and can't figure out why it's the case?

I have 1 error in Ctrl Electronics now saying my 'Tail Light' is short in the Inner Lamps. However as you can see they work.

I am attaching my AdMap, can somebody guide me on how I can fix this?

*Inner Tail / Running lights working*

20210825-201847.jpg


*No Brake lights in the Inner Lamps*


20210825-204944.jpg
 
   #4  

kjrehsi

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Code:
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ENG116962-ENG116578-Leuchte26NSL LA72-Lampendefektbitposition 26    1C
ENG116962-ENG116366-Leuchte26NSL LA72-Lasttyp 26    43 - allgemeine LED
ENG116962-ENG116372-Leuchte26NSL LA72-Lichtansteuerung HD AB 26    only_if_closed
ENG116962-ENG116369-Leuchte26NSL LA72-Lichtfunktion A 26    Nebelschlusslicht wenn kein Anhaenger gesteckt und Linksverkehr
ENG116962-ENG116370-Leuchte26NSL LA72-Lichtfunktion B 26    not active
ENG116962-ENG116373-Leuchte26NSL LA72-Lichtfunktion C 26    not active
ENG116962-ENG116374-Leuchte26NSL LA72-Lichtfunktion D 26    not active
ENG116962-ENG116377-Leuchte26NSL LA72-Lichtfunktion E 26    not active
ENG116962-ENG116378-Leuchte26NSL LA72-Lichtfunktion F 26    not active
ENG116962-ENG116381-Leuchte26NSL LA72-Lichtfunktion G 26    not active
ENG116962-ENG116382-Leuchte26NSL LA72-Lichtfunktion H 26    not active
ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27    minimize
ENG116963-ENG116399-Leuchte27NSL RC6-Dimming Direction EF 27    maximize
ENG116963-ENG116403-Leuchte27NSL RC6-Dimming Direction GH 27    maximize
ENG116963-ENG116390-Leuchte27NSL RC6-Dimmwert AB 27    127
ENG116963-ENG116394-Leuchte27NSL RC6-Dimmwert CD 27    0
ENG116963-ENG116398-Leuchte27NSL RC6-Dimmwert EF 27    0
ENG116963-ENG116402-Leuchte27NSL RC6-Dimmwert GH 27    0
ENG116963-ENG116387-Leuchte27NSL RC6-Fehlerort mittleres Byte DTC-DFCC 27    36
ENG116963-ENG116579-Leuchte27NSL RC6-Lampendefektbitposition 27    1A
ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27    32 - allgemeine LED bis 12W
ENG116963-ENG116391-Leuchte27NSL RC6-Lichtansteuerung HD AB 27    only_if_closed
ENG116963-ENG116388-Leuchte27NSL RC6-Lichtfunktion A 27    Brake lamp
ENG116963-ENG116389-Leuchte27NSL RC6-Lichtfunktion B 27    not active
ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27    Nebelschlusslicht wenn kein Anhaenger gesteckt und Rechtsverkehr
ENG116963-ENG116393-Leuchte27NSL RC6-Lichtfunktion D 27    not active
ENG116963-ENG116396-Leuchte27NSL RC6-Lichtfunktion E 27    not active
ENG116963-ENG116397-Leuchte27NSL RC6-Lichtfunktion F 27    not active
ENG116963-ENG116400-Leuchte27NSL RC6-Lichtfunktion G 27    not active
ENG116963-ENG116401-Leuchte27NSL RC6-Lichtfunktion H 27    not active
ENG116964-ENG116414-Leuchte28RFL LC11-Dimming Direction CD 28    maximize
ENG116964-ENG116418-Leuchte28RFL LC11-Dimming Direction EF 28    maximize
ENG116964-ENG116422-Leuchte28RFL LC11-Dimming Direction GH 28    maximize
ENG116964-ENG116409-Leuchte28RFL LC11-Dimmwert AB 28    127
ENG116964-ENG116413-Leuchte28RFL LC11-Dimmwert CD 28    0
ENG116964-ENG116417-Leuchte28RFL LC11-Dimmwert EF 28    0
ENG116964-ENG116421-Leuchte28RFL LC11-Dimmwert GH 28    0
ENG116964-ENG116406-Leuchte28RFL LC11-Fehlerort mittleres Byte DTC-DFCC 28    31
ENG116964-ENG116580-Leuchte28RFL LC11-Lampendefektbitposition 28    0B
ENG116964-ENG116404-Leuchte28RFL LC11-Lasttyp 28    32 - allgemeine LED bis 12W
ENG116964-ENG116410-Leuchte28RFL LC11-Lichtansteuerung HD AB 28    Always
ENG116964-ENG116407-Leuchte28RFL LC11-Lichtfunktion A 28    Rueckfahrlicht
ENG116964-ENG116408-Leuchte28RFL LC11-Lichtfunktion B 28    not active
ENG116964-ENG116411-Leuchte28RFL LC11-Lichtfunktion C 28    not active
ENG116964-ENG116412-Leuchte28RFL LC11-Lichtfunktion D 28    not active
ENG116964-ENG116415-Leuchte28RFL LC11-Lichtfunktion E 28    not active
ENG116964-ENG116416-Leuchte28RFL LC11-Lichtfunktion F 28    not active
ENG116964-ENG116419-Leuchte28RFL LC11-Lichtfunktion G 28    not active
ENG116964-ENG116420-Leuchte28RFL LC11-Lichtfunktion H 28    not active
ENG116965-ENG116433-Leuchte29RFL RA64-Dimming Direction CD 29    maximize
ENG116965-ENG116437-Leuchte29RFL RA64-Dimming Direction EF 29    maximize
ENG116965-ENG116441-Leuchte29RFL RA64-Dimming Direction GH 29    maximize
ENG116965-ENG116428-Leuchte29RFL RA64-Dimmwert AB 29    127
ENG116965-ENG116432-Leuchte29RFL RA64-Dimmwert CD 29    0
ENG116965-ENG116436-Leuchte29RFL RA64-Dimmwert EF 29    0
ENG116965-ENG116440-Leuchte29RFL RA64-Dimmwert GH 29    0
ENG116965-ENG116425-Leuchte29RFL RA64-Fehlerort mittleres Byte DTC-DFCC 29    32
ENG116965-ENG116581-Leuchte29RFL RA64-Lampendefektbitposition 29    1B
ENG116965-ENG116423-Leuchte29RFL RA64-Lasttyp 29    32 - allgemeine LED bis 12W
ENG116965-ENG116430-Leuchte29RFL RA64-Lichtansteuerung HD AB 29    Always
ENG116965-ENG116426-Leuchte29RFL RA64-Lichtfunktion A 29    Rueckfahrlicht
ENG116965-ENG116427-Leuchte29RFL RA64-Lichtfunktion B 29    not active
ENG116965-ENG116429-Leuchte29RFL RA64-Lichtfunktion C 29    not active
ENG116965-ENG116431-Leuchte29RFL RA64-Lichtfunktion D 29    not active
ENG116965-ENG116434-Leuchte29RFL RA64-Lichtfunktion E 29    not active
ENG116965-ENG116435-Leuchte29RFL RA64-Lichtfunktion F 29    not active
ENG116965-ENG116438-Leuchte29RFL RA64-Lichtfunktion G 29    not active
ENG116965-ENG116439-Leuchte29RFL RA64-Lichtfunktion H 29    not active
 
   #5  

kjrehsi

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Instead of this


Code:
Inner Lamps -
Reposition Pin T73a / 64 at BCM to T73c / 6

Should run wire directly from T73c / 6 to the inner lamps?
 
   #6  

DV52

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@kjrehsi: Hi.

For the inner brake-light problem, try this:
  • ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27 > maximize
  • ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27 > 34 - LED Bremsleuchten
  • ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27 > not active
Don
 
   #7  

kjrehsi

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@kjrehsi: Hi.

For the inner brake-light problem, try this:
  • ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27 > maximize
  • ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27 > 34 - LED Bremsleuchten
  • ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27 > not active
Don

Thank you, will try this and report back
 
   #8  

kjrehsi

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@kjrehsi: Hi.

For the inner brake-light problem, try this:
  • ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27 > maximize
  • ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27 > 34 - LED Bremsleuchten
  • ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27 > not active
Don

@DV52 no joy :(
 
   #9  

downtime

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If you want to compare, adamap from my previous R-Line Tig with factory high leds on the rear : https://forums.ross-tech.com/index.php?threads/19332/#post-191362

Leuchte 27 was in my car, as an example :

Code:
ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27,minimize ,16
ENG116963-ENG116399-Leuchte27NSL RC6-Dimming Direction EF 27,maximize ,16
ENG116963-ENG116403-Leuchte27NSL RC6-Dimming Direction GH 27,maximize ,16
ENG116963-ENG116390-Leuchte27NSL RC6-Dimmwert AB 27,127 ,16
ENG116963-ENG116394-Leuchte27NSL RC6-Dimmwert CD 27,0 ,16
ENG116963-ENG116398-Leuchte27NSL RC6-Dimmwert EF 27,0 ,16
ENG116963-ENG116402-Leuchte27NSL RC6-Dimmwert GH 27,0 ,16
ENG116963-ENG116387-Leuchte27NSL RC6-Fehlerort mittleres Byte DTC-DFCC 27,36 ,16
ENG116963-ENG116579-Leuchte27NSL RC6-Lampendefektbitposition 27,1A ,16
ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27,32 - allgemeine LED bis 12W ,16
ENG116963-ENG116391-Leuchte27NSL RC6-Lichtansteuerung HD AB 27,only_if_closed ,16
ENG116963-ENG116388-Leuchte27NSL RC6-Lichtfunktion A 27,Brake light ,16
ENG116963-ENG116389-Leuchte27NSL RC6-Lichtfunktion B 27,not active ,16
ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27,Nebelschlusslicht wenn kein Anhaenger gesteckt und Rechtsverkehr ,16
ENG116963-ENG116393-Leuchte27NSL RC6-Lichtfunktion D 27,not active ,16
ENG116963-ENG116396-Leuchte27NSL RC6-Lichtfunktion E 27,not active ,16
ENG116963-ENG116397-Leuchte27NSL RC6-Lichtfunktion F 27,not active ,16
ENG116963-ENG116400-Leuchte27NSL RC6-Lichtfunktion G 27,not active ,16
ENG116963-ENG116401-Leuchte27NSL RC6-Lichtfunktion H 27,not active ,16

ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27,Nebelschlusslicht wenn kein Anhaenger gesteckt und Rechtsverkehr ,16=> This you naturally need to select as left hand traffic as you're in UK (Nebelschlussleuchte wenn kein Anhaenger gesteckt und Linksverkehr)
 
   #10  

kjrehsi

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If you want to compare, adamap from my previous R-Line Tig with factory high leds on the rear : https://forums.ross-tech.com/index.php?threads/19332/#post-191362

Leuchte 27 was in my car, as an example :

Code:
ENG116963-ENG116395-Leuchte27NSL RC6-Dimming Direction CD 27,minimize ,16
ENG116963-ENG116399-Leuchte27NSL RC6-Dimming Direction EF 27,maximize ,16
ENG116963-ENG116403-Leuchte27NSL RC6-Dimming Direction GH 27,maximize ,16
ENG116963-ENG116390-Leuchte27NSL RC6-Dimmwert AB 27,127 ,16
ENG116963-ENG116394-Leuchte27NSL RC6-Dimmwert CD 27,0 ,16
ENG116963-ENG116398-Leuchte27NSL RC6-Dimmwert EF 27,0 ,16
ENG116963-ENG116402-Leuchte27NSL RC6-Dimmwert GH 27,0 ,16
ENG116963-ENG116387-Leuchte27NSL RC6-Fehlerort mittleres Byte DTC-DFCC 27,36 ,16
ENG116963-ENG116579-Leuchte27NSL RC6-Lampendefektbitposition 27,1A ,16
ENG116963-ENG116385-Leuchte27NSL RC6-Lasttyp 27,32 - allgemeine LED bis 12W ,16
ENG116963-ENG116391-Leuchte27NSL RC6-Lichtansteuerung HD AB 27,only_if_closed ,16
ENG116963-ENG116388-Leuchte27NSL RC6-Lichtfunktion A 27,Brake light ,16
ENG116963-ENG116389-Leuchte27NSL RC6-Lichtfunktion B 27,not active ,16
ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27,Nebelschlusslicht wenn kein Anhaenger gesteckt und Rechtsverkehr ,16
ENG116963-ENG116393-Leuchte27NSL RC6-Lichtfunktion D 27,not active ,16
ENG116963-ENG116396-Leuchte27NSL RC6-Lichtfunktion E 27,not active ,16
ENG116963-ENG116397-Leuchte27NSL RC6-Lichtfunktion F 27,not active ,16
ENG116963-ENG116400-Leuchte27NSL RC6-Lichtfunktion G 27,not active ,16
ENG116963-ENG116401-Leuchte27NSL RC6-Lichtfunktion H 27,not active ,16

ENG116963-ENG116392-Leuchte27NSL RC6-Lichtfunktion C 27,Nebelschlusslicht wenn kein Anhaenger gesteckt und Rechtsverkehr ,16=> This you naturally need to select as left hand traffic as you're in UK (Nebelschlussleuchte wenn kein Anhaenger gesteckt und Linksverkehr)

Believe me or not I am actually using your admap as a reference guide :) I had bookmarked your link previously :)

So for Lichtfunktion C27 I actually selected right hand drive :facepalm:
 
   #11  

kjrehsi

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Ok matched everything with @downtime and still no luck :(

Looks like I will need to run a wire directly from T73c/6 to the inner lamps.

However for the life of me don't understand as to why am getting a Fault error for the Right Inner Running lights when they are working 🤷‍♂️
 
   #12  

downtime

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I believe your wiring is not correct. I know the Erwin diagrams sometimes but very very rarely have errors.
Did you download the diagrams using your own VIN?
 
   #13  

kjrehsi

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I believe your wiring is not correct. I know the Erwin diagrams sometimes but very very rarely have errors.
Did you download the diagrams using your own VIN?

Yes Pal downloaded the diagrams from Erwin. If you look at the very first wiring diagrams above are from my VIN.

The second set of diagrams were from a different forum (vwvortex).

I am pretty sure the suggested route for inner brake lamps are not correct. I am going run a wire from C6 to back and test if that makes the brake lights to work
 
   #14  

kjrehsi

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Well i ended up running wire from plug C pin 9 to the rear inner lamps and everything works as factory. No error or faults.

No compromise to coding i.e., it is as if factory.

Thanks for the support everybody
 
   #15  

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How you doing mate,

well thank you so much for being gentle and explained at your best how you followed all the steps to retrofit the tail leds on a tiguan ad1.
i would like to ask you some cuation cause at the end of your story was never cleared for me ,
after all i understand that there must be 4 wires runing from bcm to the tail lights....and then one wire from bcm to the inner lights.
so is it 4 or 5 total wires from bcm to the rear lights ?
Outer Lamp Left
Add wires from BCM T73c / 3 to Pin 2
Add wires from BCM T73c / 11 to Pin 4

Outer Lamp Right -
Add wires from BCM T73c / 9 to Pin 2
Add wires from BCM T73a / 64 to Pin 4

Inner Lamps -
Reposition Pin T73a / 64 at BCM to T73c / 6...............Instead ...run wire directly from T73c / 6 to the inner lamps

as far as i can understand are 5 wires totaly right?

and then this is not clear for me>>>>once you said this>>>>Reposition Pin T73a / 64 at BCM to T73c / 6...............Instead ...run wire directly from T73c / 6 to the inner lamps
and then at the end you said this>>>>>Well i ended up running wire from plug C pin 9 to the rear inner lamps and everything works as factory. No error or faults.

so is it from T73C pin6 or pin9 ?
and this last wire you mentioned to the innerlights but in which point or pin in the innerlights ??

and then came this >>>>>No compromise to coding i.e., it is as if factory....this means that there is no need for coding from the begining or no need coding for just jthe inner lights


sorry about asking so much mate and i appreciate all your efforts and your sharing

will wait for your answer /and Thanks in advance
cheers.
 
   #16  

vastechnics

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I don’t any wires to front. In the back all. Just wire normal light from inner lights to other lights and wire brake lights from outer to inner. Also wire back up lights to outer. All can be taken from connection point in tailgate. Then make good coding
 
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