Auto headlight retrofit. VW Transporter. T5 (2010-2015)

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ciclo
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

Hi pettman.
No, the fog lights (+ SCLs) for the T5 are already under the control of BCM, so you only need to install the original wire (T17/8) to slot 3 of the red connector. :wink:
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

reido80 wrote: Fri Jan 01, 2021 5:38 pm Hello, and a Happy New Year to you all.

I just wanted to say hello and say thank you again to Ciclo and all that have contributed to this thread without your help I would not have been able to carry out these modifications.

I am pleased to report that my installation, which by no means was done quickly 8) has been successful.
After a few months with the van off road during lockdown, carrying out various repairs and upgrades including new EGR cooler, upgraded clutch and intercooler, I then discovered that my Cylinder head gasket was leaking exhaust gas into the coolant system! Thankfully it was just the head gasket and the head was fine!

I had that sorted out at a VW main dealer and finally got it back into use properly in November. (I had a new Polo as a courtesy car, a 1.0TSI which was fully loaded with extras and was a joy to drive for such a small engine)

I have to say that the modification has made the world of difference to the function of the lights. The previous bodge job and state of wiring was unbelievable and undoubtedly affected the light output, especially when on full beam.
The extra functions of auto lights/wipers, CH/LH lights and properly functioning DRL LED's are great and the BCM max has opened up a few other extras in coding including TPMS and being able to reset the service reminder through the MFD, which is a function that is also new.

I have not carried out a Scan since my last post when I corrected my mistake with the level sensor wiring but will do that soon and give everything a check over.

All the best for the new year.
Great!, thanks for the report reido80. 8) 8)

Very happy new year!
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

Ciclo, quick update from me. Installed all the fuse box to BCM wires and guess what? The IC bulb light has gone, who would of thought it! :lol:

Only thing I noticed that didn’t work was my DRL’s, I did the following adaptation for the DRLs:
Remove & isolate original wires 12a (SC12 5A fuse) and 14a (SC14 5A fuse).

Install
New 0,5mm wire from 12a to T73b/3 . Left DRL
New 0,5mm wire from 14a to T73a/5. Right DRL
Use the same fuses.
But this is fine as I have not finished the wiring yet, I now need to install my other looms and complete the adaptation, just thought I’d let you know :)
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

8)

Thank you very much for letting me know, we are on the right track.👍

The DRLs will work once you have installed the activation wire that goes to T73b/29 (which is part of the wiring for automatic lights and wiring for BCM --> light switch 'Red connector').
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

Ciclo - tonight’s update

I have completed all wiring and plugged in my new headlight switch.

Good news is sidelights, dipped beam, front fogs all work as expected

Bad news is DRLs dont work still and the rear fog light doesn’t work and throws a dash bulb error.

I need to scan in the morning and post that to you as I feel that will tell us more.

Stand by for the autoscan :)
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

8) Waiting for the autoscan.

However, I already made a new BCM coding for your T5 based on the last autoscan posted here.
- BCM Max plus Automatic lights (pettman's T5):
B8B0793A0A61240393284EB06CEB9FDC5F00612F60842041300000020000

Note: rain closing function will not work on your T5, the door units do not have the proper SW/HW.

Please show us a picture of the AUTO light switch you are using.
The new wires connection for the rear fog light is very simple (>b43--a6>, + NSL) , it should work unless you are using an AUTO light switch for the MQB platform instead of PQ.


---
Today will be a very busy day for me, if you want, copy and paste this new BCM coding and tell us the results, or do a new Autoscan (after all the wiring installation is done), post it here, and wait for us to review it.

In any case, any fault detected will be corrected later. :)
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

Morning ciclo,

Many thanks for the advanced coding, I have applied that and performed another rescan, to my embarrassment I had done some poor terminal connections and meant that I had to re-do them as the first auto scan I did picked up loads of things wrong, but I traced and fixed those, here is the proper scan now:

Code: Select all

Wednesday,06,January,2021,10:53:23:56750
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64(VMWare)
VCDS Version 20.12.0.1 (x64)  HEX-V2 CB: 0.4529.4
Data version: 20201125 DS322.1
www.Ross-Tech.com


VIN: WV2ZZZ7HZCH089217   License Plate: 


Chassis Type: 7H-VN75 (7E0)
Scan: 01 02 03 04 08 09 15 17 18 19 25 56 0B

VIN: WV2ZZZ7HZCH089217   Mileage: 54610km-33933miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
18-Aux. Heat -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
-------------------------------------------------------------------------------
Address 01: Engine (J623-CCHA)       Labels:. 03L-906-022-CAA.clb
   Part No SW: 03L 906 019 DH    HW: 03L 907 309 K
   Component: R4 2,0L EDC   X43 9133  
   Revision: 26X43---    Serial number: 00000000000000
   Coding: 0125401A230400080000
   Shop #: WSC 66565 257 00032
   ASAM Dataset: EV_ECM20TDI01103L906019DH 002008
   ROD: EV_ECM20TDI01103L906019DG.rod
   VCID: 74B1D8C79E36F54B67A-8021

No fault code found.
Readiness: 0 0 0 0 1 

-------------------------------------------------------------------------------
Address 02: Auto Trans (J743)       Labels:. 0BH-927-711.clb
   Part No SW: 0BT 300 045 M    HW: 0BH 927 711 C
   Component: DSG DQ500-7F  H05 1712  
   Revision: 00H05V01    
   Coding: 0014
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMDQ500021 001001
   ROD: EV_TCMDQ500021_A01_VW36.rod
   VCID: 3FDB47EBE7F066134A8-806B

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (-----)       Labels: 7E0-907-37x-MK25AXT.clb
   Part No SW: 7E0 907 379 J    HW: 7E0 907 379 E
   Component: ESP MK25A XT  H43 0109  
   Revision: 00H43001    
   Coding: 108724AD09AC089E24A49072AA6510
   Shop #: WSC 02756 790 49152
   VCID: 392F29F3F954482374C-806D

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 7E5-907-047.clb
   Part No SW: 7E5 907 047 BA    HW: 7E5 907 047 BA
   Component: Climatic-T5   H19 0404  
   Revision: 00001009    
   Coding: 0000000002
   Shop #: WSC 02756 790 50316
   ASAM Dataset: EV_ClimaticT5 A01003
   ROD: EV_ClimaT5Basis.rod
   VCID: 6FBBD7ABF710D6939A8-803B

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 7E0-937-BCM-V1.clb
   Part No SW: 7E0 937 090 C    HW: 7E0 937 090 C
   Component: BCM PQ25 Max4 H82 0752  
   Revision: B9082001    Serial number: 4000 145180214
   Coding: B8B0793A0A61240393284EB06CEB9FDC5F00612F60842041300000020000
   Shop #: WSC 02762 022 100767
   VCID: 2B0303BB0308EAB3F60-807F

   Subsystem 1 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
   Component: RLS 161012 05  54  0403 
   Coding: 0330AD

   Subsystem 2 - Part No SW: 7E0 959 801 B    HW: 7E0 959 801 B  Labels: 7E0-959-80X-V1.CLB
   Component: J386__TSG_FT  002 3311 
   Serial number: --------------------
   Coding: 010000

   Subsystem 3 - Part No SW: 7E0 959 802 B    HW: 7E0 959 802 B  Labels: 7E0-959-80X-V1.CLB
   Component: J387__TSG_BT  002 3311 
   Serial number: --------------------
   Coding: 000000

   Subsystem 4 - Part No: 7E1 951 171 
   Component: DWA-Sensor 00  001 0104 
   Coding: 000000

   Subsystem 5 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 
   Coding: 000000

   Subsystem 6 - Part No: 7E1 951 171 
   Component: DWA-Sensor 00  001 0104 
   Coding: 000000

   Subsystem 7 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
   Component: E221__MFL-TK6  H07 0022 
   Serial number: 50000000000000789372
   Coding: E20000

1 Fault Found:
03444 - Ignition Starter Switch 
            008 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 3
                    Fault Frequency: 2
                    Reset counter: 195
                    Mileage: 54619 km
                    Time Indication: 0
                    Date: 2015.05.30
                    Time: 00:06:28


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 7E0 959 655 C    HW: 7E0 959 655 C
   Component: VW10Airbag00P H06 0013  
   Revision: --------    Serial number: 003HM001WJ4C
   Coding: 000000000000000000000000000000003050
   Shop #: WSC 02754 790 50316
   ASAM Dataset: EV_AirbaVW10BPAVN750 A01026
   ROD: EV_AirbaVW10BPAVN750.rod
   VCID: 363522CFC8CAA75B99E-8063

   Crash sensor for side airbag: driver side: 
   Serial number: 3495ZRB40690IAMCA9H$

   Front Passenger's Side Airbag Crash Sensor: 
   Serial number: 3505ZRB405T0IAMCI07$

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 7E0 920 970 E    HW: 7E0 920 970 E
   Component: KOMBI         H04 0305  
   Serial number: 00000000000000
   Coding: 760F00
   Shop #: WSC 02756 790 50316
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04113
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW36.rod
   VCID: 2C0100A70686ED8BFFA-8079

No fault code found.

-------------------------------------------------------------------------------
Address 18: Aux. Heat        Labels: None
   Part No: 7E0 815 071 B
   Component: J737__Standheizung  0605  
   Revision: 00085000    Serial number: 09019275F00000
   Coding: 0000031
   Shop #: WSC 02757 790 00000
   VCID: 2411E88762D625CB37A-8071

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7E0-909-901.clb
   Part No SW: 7E0 909 901     HW: 7E0 937 090 C
   Component: GW-K-CAN TP20 H82 0752  
   Revision: B9082001    
   Coding: 042300
   Shop #: WSC 02762 022 100767
   VCID: 6889BCB7D27E01ABDB2-803D

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234 
   Component: IMMO          H04 0305  
   Serial number:               
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03009
   ROD: EV_Immo_UDS_VDD_RM09_VW23.rod
   VCID: 6A8DC6BFCCF233BBCD6-803F

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 6RD 035 187 B    HW: 6RD 035 187 B
   Component: Radio         541 5814  
   Revision: --------    Serial number: VWZZZ4H6290655
   Coding: 16000440040005
   Shop #: WSC 127395 840 08317
   VCID: 46D5520FB8AA37DB09E-8013

1 Fault Found:
00856 - Radio Antenna 
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 195
                    Mileage: 54619 km
                    Time Indication: 0
                    Date: 2015.05.30
                    Time: 11:41:23


End----------(Elapsed Time: 01:49, VBatt start/end: 14.1V/14.2V)-----------



When I turn on rear fog lights I then get the following:

Code: Select all

Wednesday,06,January,2021,10:54:31:56750
VCDS Version Release 20.12.0 (x64) Running on Windows 10 x64(VMWare)
www.Ross-Tech.com

                Address 09: Cent. Elect.       Labels: 7E0-937-BCM-V1.clb
Control Module Part Number: 7E0 937 090 C    HW: 7E0 937 090 C
  Component and/or Version: BCM PQ25 Max4 H82 0752
           Software Coding: B8B0793A0A61240393284EB06CEB9FDC5F00612F60842041300000020000
            Work Shop Code: WSC 02762 022 100767
                      VCID: 2B0303BB0308EAB3F60-807F
2 Faults Found:

03444 - Ignition Starter Switch 
            008 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 3
                    Fault Frequency: 2
                    Reset counter: 195
                    Mileage: 54619 km
                    Time Indication: 0
                    Date: 2015.05.30
                    Time: 00:06:28

01502 - Bulb for Rear Fog; Left (L46) 
            010 - Open or Short to Plus
             Freeze Frame:
                    Fault Status: 01101010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 195
                    Mileage: 54619 km
                    Time Indication: 0
                    Date: 2015.05.30
                    Time: 00:14:27
Bulbs are fine, I checked

Now when I set the light switch to auto now in the light, I just get DRL's on, which I believe is correct. As a test I covered the sensor up and the headlights came on, but they didn't turn back off again, how long do they take before turning off?

Here is my light switch:

Image

Image
ciclo wrote: Wed Jan 06, 2021 4:02 am
Please show us a picture of the AUTO light switch you are using.
The new wires connection for the rear fog light is very simple (>b43--a6>, + NSL) , it should work unless you are using an AUTO light switch for the MQB platform instead of PQ.
I have installed the 2x30amp wires from the ebox to the 2 BCM plugs, forgive me but I do not understand this part, may you elaborate? I have checked the continuity from the BCM to the plugs on the other end of the switch and connectors and they all are correct. I may have to assume its something to do with the switch? It came with my RLS kit, there are no visible part numbers on it, should I source another switch?

If so, what is the correct part number for it?

EDIT - possibly 3C8941431A? I have purchased another one just to rule out the switch, if this still doesnt work I can send it back, but it is specifically for my vehicle!
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

Good morning pettman,

Something is wrong with the electrical installation you have done.


As for the rear fog light, we are going to trace the route that the wiring runs:
1- For the rear fog light to work the 7E0 BCM Max must be powered by pin T73a/63, which is correct on your T5 at this time.
2- The activation signal comes from the AUTO light switch -from pin T10/7 -, goes through pin T10/4 of the red connector (according to diagram pg4), and enters through pin T73b/43 of the BCM.
3- The BCM manages the activation signal and sends the power through T73a/6 so that the rear fog lamp comes on. In the middle of this path is the connection you have made with the T73a/6 wire ---> joint to <--- old wire T17/9 ---> from here the wire goes to the original fuse and rear fog light bulb (LED bulb?).


The AUTO light switch seems totally correct, but since we don't have the exact reference we can't be 100% sure.
Suitable references:
- 5ND 941 431B XSH or 3C8 941 431A XSH.
When buying these switches (either of both) one has to make sure that the switch is labeled with the VW reference, we know from multiples experiences that there are very cheap and very low quality switches that are not recommended at all (your life is at stake).


Regarding the operation of the DRLs:
- They must work with the switch in 0 position, and in the AUTO position in daytime conditions (other lights off, i.e, not activated by the RLS).

---

AUTO light switch functions, CH / LH and automatic lights.


Light switch in AUTO position ... (always in AUTO ... I no longer remember if some day due to the fog I changed it to another position).
Note: On PQ25 it is necessary to change the position of the light switch if you want to activate the fog lights, on other platforms (MQB) you can activate the fog lights from the AUTO position by pulling from the knob of switch.


Headlight Activation (automatic).
...Automatic headlight activation ensures optimum vehicle lighting at all times, without the driver having to switch the headlights on or off manually. The system offers the driver a significant gain in terms of convenience and safety. The headlights are automatically switched on by means of a dusk sensor as darkness sets in, or when driving through a tunnel in the daytime. But the headlights are also activated in rain (continuous wipe for more than 5 seconds) or at high speed (at speeds over 140 km/h for longer than 10 seconds). When the speed drops again or the wipers are switched off, the system automatically deactivates the headlights after a short time. In this way your own vehicle is more easily seen by other road users...

Coming Home (semi-automatic on PQ25).
Remove the key from the ignition switch (OFF), pull the HB lever once (HB flash), when you open the door or with the door open the lights will turn on for a period of time (15 sec factory, it is modifiable) .

Leaving Home (automatic).
By pressing the opening button on the remote control (15 sec from factory, it is modifiable)

---

Regarding the detected fault of implausible signal of the ignition starter switch (03444) I am going to review the diagrams to try to find the possible fault in the wiring you have installed.
Note: The DRLs may not turn on with the light switch position 0 due to this fault.
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

Morning ciclo

Ok this morning I will test just that wire on its own and confirm it’s wired in locations.

DRLs work as expected at the moment, in both 0 and Auto position. As far as I can tell the only thing not working is rear fog. Cornering lights work, high beam etc.

Fog lights are normal bulbs

I was wondering if the implausible signal is because the battery might be getting low? As not driven it while been testing. Started it up a couple times but that’s about it.

I’ll check the wiring as I think your right a wire isn’t quite right somewhere.
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

Perfect, almost everything seems to be working fine, the BCM coding is correct, and only those little hiccups remain to be determined.

I await your report after your checks, ... while I take a look at the diagrams ...

edit
When it's safe to drive, take a ride of at least 20 minutes with your T5 ... then the autoscan. :wink:
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

So ciclo the plot thickens...

There is a connection from T10/7 > T10/4 (red connector) > T73b/43 multi meter confirms

There also is a connection from T73a/6 wire ---> joint to (this is a JPT 2 way terminal block) <--- old wire T17/9 grey/green - checked both sides of the connector for a signal, confirmed by a multimeter.

I also checked SB17 fuse wasnt blown, its not, I also checked for 12v when turning on the rear fog light on the switch, this then activated power to that fuse, confirmed by multimeter.

So either there still is something wrong with the wiring, or the rear bulbs are blown, but I did a visual check yesterday and both filaments in the bulb were in tact.

EDIT

Think im wrong.....hold on
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

Time to come clean...in more ways than one.

1. ciclo is a brilliant mind and his wiring is 100%
2. check all your lights work and you get no codes before doing this

Because if you dont, what happens is you get a problem where the rear fog doesnt work and then you check the bulb, but you check the wrong bulb, then when its not dark and -1 outside you look in the day time and realise the bulb you checked was the wrong one and the one that should of had very close attention is this...

Image

:oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops: :oops:

Cleaned, refitted, plugged in, all working! Cant believe I didnt check this properly, always the simple things.

So I dont want to ask, but does this mean I am done? Autolights retro fit complete? :shock:
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

Yeah!, you're done as long as your BCM doesn't report any faults with the VCDS diagnostic.

Very good job. 👍
Enjoy it! 🌞
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by pettman »

I need to do one last scan before I can close this off, which I will do later on, going to tidy some wires now. But all functionality appears to be there.

With the coding you gave me did that enable CH/LH lights?
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Re: Auto headlight retrofit. VW Transporter. T5 (2010-2015)

Post by ciclo »

If you had read what I posted here viewtopic.php?p=579032#p579032 and verified it on your T5, you wouldn't have to ask ...

Yes, they are already enabled in your BCM coding.


---
again

AUTO light switch functions, CH / LH and automatic lights.


Light switch in AUTO position ... (always in AUTO ... I no longer remember if some day due to the fog I changed it to another position).
Note: On PQ25 it is necessary to change the position of the light switch if you want to activate the fog lights, on other platforms (MQB) you can activate the fog lights from the AUTO position by pulling from the knob of switch.


Headlight Activation (automatic).
...Automatic headlight activation ensures optimum vehicle lighting at all times, without the driver having to switch the headlights on or off manually. The system offers the driver a significant gain in terms of convenience and safety. The headlights are automatically switched on by means of a dusk sensor as darkness sets in, or when driving through a tunnel in the daytime. But the headlights are also activated in rain (continuous wipe for more than 5 seconds) or at high speed (at speeds over 140 km/h for longer than 10 seconds). When the speed drops again or the wipers are switched off, the system automatically deactivates the headlights after a short time. In this way your own vehicle is more easily seen by other road users...

Coming Home (semi-automatic on PQ25).
Remove the key from the ignition switch (OFF), pull the HB lever once (HB flash), when you open the door or with the door open the lights will turn on for a period of time (15 sec factory, it is modifiable) .

Leaving Home (automatic).
By pressing the opening button on the remote control (15 sec from factory, it is modifiable)

---

I post all luxury of details to end up being repudiated ... what a crazy life ...

Advice:
Use your smartphone finger to pry your nose while reading one of the wonderful books that have been published since time immemorial ... No matter what you read, just read. :lol:
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