Golf MK7.5 OEM Towbar/Hitch

   #1  

Pumpkin

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Hi,
I fitted towbar 5G9 803 881 F and other parts. Installation checked.
Does anyone know why led for release hitch doesn't work? Wrong coding? In VCDS no errors.
On the photos I showed what I mean.

Below photos and autoscan.

BR
Pumpkin








Code:
Tuesday,24,March,2020,18:55:56:00732
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 19.6.2.2 (x64)  HEX-NET CB: 0.4508.4
Data version: 20200210 DS308.0
www.Ross-Tech.com


VIN: WVWZZZAUZJP509107   License Plate: WR7738W
Mileage: 31273km-19432mi   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: AU-VW37 (3Q0)
Scan: 01 02 03 05 08 09 10 13 15 16 17 19 22 29 2B 36 39 3C 42 44
          4B 52 5F 69 6C A5 D6 D7

VIN: WVWZZZAUZJP509107   Mileage: 31273km-19432miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
10-Park/Steer Assist -- Status: OK 0000
13-Auto Dist. Reg -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
22-AWD -- Status: OK 0000
29-Left Light -- Status: OK 0000
2B-Steer. Col. Lock -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
39-Right Light -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
4B-Multifunc. Module -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: Malfunction 0010
A5-Frt Sens. Drv. Assist -- Status: OK 0000
D6-Light Ctrl Left 2 -- Status: OK 0000
D7-Light Ctrl Right 2 -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-DGCA)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 906 026 EM    HW: 04L 907 309 R
   Component: R4 2.0l TDI   H24 4027  
   Revision: B5H24---    
   Coding: 01250032037605083000
   Shop #: WSC 45711 002 104857
   ASAM Dataset: EV_ECM20TDI01104L906026EM 004003
   ROD: EV_ECM20TDI01104L906026LP.rod
   VCID: F9BA68F278DB0E8762-80AC

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

-------------------------------------------------------------------------------
Address 02: Auto Trans (J743)       Labels:. 0BH-927-711.clb
   Part No SW: 0GC 300 011 N    HW: 0GC 927 711 G
   Component: GSG DQ381     H06 0708  
   Revision: 00H06V07    
   Coding: 0014
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMDQ381061 001
   ROD: EV_TCMDQ381061_VW37.rod
   VCID: AD128CA2FC136227BE-80F8

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
   Part No SW: 5Q0 614 517 CF    HW: 5Q0 614 517 AD
   Component: ESC           H25 0513  
   Revision: 00000000    Serial number: 61657000000956
   Coding: 43FA62A1342009754778070040CA29C2462C90E2E002947D38625078E289430000010312121212B435351919323200
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_Brake1UDSContiMK100IPB 036010
   ROD: EV_Brake1UDSContiMK100IPB_036_VW37.rod
   VCID: F7BE6ECA4ECF18F714-80A2

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5Q0-959-435.clb
   Part No SW: 5Q0 959 435 C    HW: 5Q0 959 435 
   Component: VWKESSYMQB    021 0803  
   Revision: 00021000    Serial number: 0443027861
   Coding: 032C0C
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_KessyHellaMQBAB 002020
   ROD: EV_KessyHellaMQBAB_002.rod
   VCID: BC34B1E63769FBAF39-80E8

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 5G0-907-044.clb
   Part No SW: 5G0 907 044 CF    HW: 5G0 907 044 CF
   Component: Climatronic   H04 1801  
   Revision: 00001K08    
   Coding: 0202010420211001100500000010102A
   Shop #: WSC 00028 028 00068
   ASAM Dataset: EV_ACClimaBHBVW37X 006145
   ROD: EV_ACClimaBHBVW37X_006.rod
   VCID: ED924CA23C93A227FE-80B8

   Fresh Air Blower Front: 

   Geber für Kältemitteldruck/Kältemitteltemperatur: 

   Air quality sensor: 

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 5Q0-937-08X-V2.clb
   Part No SW: 5Q0 937 086 BL    HW: 5Q0 937 086 BG
   Component: BCM PQ37BOSCH 034 0242  
   Revision: --------    Serial number: 8658080617008P
   Shop #: WSC 00028 028 00202
   ASAM Dataset: EV_BodyContrModul1UDSBosc 018001
   ROD: EV_BCMBOSCH_018.rod
   VCID: 8542140204237A6716-80D0

   Control Unit For Wiper Motor: 
   Subsystem 1 - Part No SW: 5G1 955 119 A    HW: 5G1 955 119 A  Labels: 5QX-955-119-V1.CLB
   Component: WWS    170512  043 0551 
   Serial number:         170530053838
   Coding: 0E4DDD

   Rain Light Recognition Sensor: 
   Subsystem 2 - Part No SW: 5Q0 955 547 B    HW: 5Q0 955 547 B  Labels: 5Q0-955-547.CLB
   Component: RLHS  042 0105 
   Serial number: S3Y17M06D13H11M03S00
   Coding: 00A8DD

   Sensor For Anti Theft Alarm System: 
   Subsystem 3 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172 
   Component: Sensor, DWA  005 0316 
   Serial number: 000000000ZY171383C1F

   Alarm horn: 
   Subsystem 4 - Part No SW: 5Q0 951 605 A    HW: 5Q0 951 605 A
   Component: Sirene, DWA  005 0314 
   Serial number: 00000000000069795533

   Relative Air Humidity Interior Sender: 

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:| 5Q0-919-298.clb
   Part No SW: 5QA 919 298 C    HW: 5QA 919 298 A
   Component: PLA 3.0 12KH07 0045  
   Serial number: 000308417616344
   Coding: 0271167A51
   Shop #: WSC 45711 002 104857
   ASAM Dataset: EV_EPHVA2CAU3700000 009037
   ROD: EV_EPHVA2CAU3700000.rod
   VCID: D0ECF5568BE16FCFF5-8084

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 3Q0-907-572.clb
   Part No SW: 5Q0 907 572 J    HW: 3QF 907 572 
   Component: ACC BOSCH MQB H10 0654  
   Coding: 331D67E995FFCF28949C810580400600000000000000000000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_ACCBOSCHVW416 002006
   ROD: EV_ACCBOSCHVW416_002_VW37.rod
   VCID: BE30BBEE2175E9BF17-80EA

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 5Q0 959 655 BH    HW: 5Q0 959 655 BH
   Component: AirbagVW21    005 0336  
   Serial number: 003VVR31DP9E
   Coding: 98CCC000000000005C0000CF000800000065
   Shop #: WSC 00028 028 00060
   ASAM Dataset: EV_AirbaVW20SMEVW37X 002158
   ROD: EV_AirbaVW20SMEVW37X.rod
   VCID: 875E1E0A3E2F687764-80D2

   Side Sensor Driver Front: 
   Subsystem 1 - Part No SW: -----------    HW: 480 001 106 17
   Component: SideSensor_Df  001 0887 
   Serial number: 357000000004E665F42S
   Coding: 2D2D2D

   Side Sensor Passenger Front: 
   Subsystem 2 - Part No SW: -----------    HW: 480 001 006 17
   Component: SideSensor_Pf  001 0887 
   Serial number: 3580000000017B7D452N
   Coding: 2D2D2D

   Side Sensor Driver Rear: 
   Subsystem 3 - Part No SW: -----------    HW: 480 401 306 17
   Component: SideSensor_Dr  000 6149 
   Serial number: 3510001BD260B432223Q
   Coding: 2D2D2D

   Side Sensor Passenger Rear: 
   Subsystem 4 - Part No SW: -----------    HW: 480 401 306 17
   Component: SideSensor_Pr  000 6149 
   Serial number: 3520001C72522C16262R
   Coding: 2D2D2D

   Front Sensor Driver: 
   Subsystem 5 - Part No SW: -----------    HW: 480 401 206 17
   Component: FrontSensor_D  000 6149 
   Serial number: 3550001B1260B43331FV
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J524)       Labels:| 5Q0-953-549.clb
   Part No SW: 5Q0 953 521 AT    HW: 5Q0 953 569 A
   Component: Lenks.Modul   075 0235  
   Revision: FF033033    Serial number: 20170609300212
   Coding: 0410
   Shop #: WSC 00028 028 00068
   ASAM Dataset: EV_SMLSVALEOMQB 001016
   ROD: EV_SMLSVALEOMQB.rod
   VCID: 844409060F19436F01-80D0

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 5G1 920 751 C    HW: 5G1 920 751 C
   Component: KOMBI         302 0310  
   Coding: 07A4201B6F8C000801882B0B5401000000000000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_DashBoardVDDMQBAB 009060
   ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
   VCID: A81C7DB6D3F1470F4D-80FC

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 3Q0-907-530-V1.clb
   Part No SW: 3Q0 907 530 G    HW: 3Q0 907 530 C
   Component: GW MQB High   518 5304  
   Serial number: 03061710520866
   Coding: 0B0100345F086800DB00225A1E0F00010001070000000000000000000000
   Shop #: WSC 64239 001 1048576
   ASAM Dataset: EV_GatewNF 013023
   ROD: EV_GatewNF.rod
   VCID: B3269ADA1A3734D7E8-80E6

   Alternator: 

   Multi Function Steering Wheel Control Module: 
   Subsystem 2 - Part No SW: 5G0 959 442 K    HW: 5G0 959 442 K  Labels: 3C8-959-537.CLB
   Component: E221__MFL-DC1  H17 0040 
   Serial number: 46170001521250107233
   Coding: 2DFFFF

   Battery Monitoring Control Module: 
   Subsystem 3 - Part No SW: 5Q0 915 181 K    HW: 5Q0 915 181 K
   Component: J367-BDMHella  H10 9070 
   Serial number: 5716414104          

   Power Converter DC AC: 
   Subsystem 4 - Part No SW: 5Q0 907 155     HW: 5Q0 907 155 
   Component: U13DCAC  H25 0790 
   Serial number: 0003589             

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD (J492)       Labels:* 0CQ-907-554.clb
   Part No SW: 0CQ 907 554 H    HW: 0CQ 525 130 
   Component: Haldex4Motion H52 7083  
   Serial number: HA1-00028.04.17
   Coding: 0001
   Shop #: WSC 00028 028 00068
   ASAM Dataset: EV_AllWheelContrHA1VW37X 004013
   ROD: EV_AllWheelContrHA1VW37X_004.rod
   VCID: CAD8E73E6DBD551FBB-809E

No fault code found.

-------------------------------------------------------------------------------
Address 29: Left Light (J1018)       Labels: 8V0-907-399.clb
   Part No SW: 8V0 907 399 D    HW: 8V0 907 399 D
   Component: LCM_MLBevoH08 0014  
   ASAM Dataset: EV_LCMLeftHELLAAU736 001012
   ROD: EV_LCMLeftHELLAAU736_VW37.rod
   VCID: C7DEDE0A7EAFA877A4-8092

No fault code found.

-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764)       Labels:* 5Q0-905-861.clb
   Part No SW: 5Q0 905 861 A    HW: 5Q0 905 861 A
   Component: ELV-MQBA      H01 0120  
   Revision: 00000000    Serial number: 17000154921010
   Coding: 5D00000000000000
   Shop #: WSC 00028 028 00068
   ASAM Dataset: EV_ELVMarquMQB 004111
   ROD: EV_ELVMarquMQB.rod
   VCID: B42499C61F3933EFF1-80E0

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J810)       Labels:* None
   Part No SW: 3Q0 959 760 B    HW: 3Q0 959 760 B
   Component: Sitzmemory    H05 0022  
   Serial number: Y0006QE522662
   Coding: 001000020000050081C280808080000000008181000000F400
   Shop #: WSC 01730 666 28888
   ASAM Dataset: EV_SeatMemorDriveSide 002021
   ROD: EV_SeatMemorDriveSide.rod
   VCID: BA38B7FE3D5DC59F2B-80EE

No fault code found.

-------------------------------------------------------------------------------
Address 39: Right Light (J1023)       Labels: 8V0-907-399.clb
   Part No SW: 8V0 907 399 D    HW: 8V0 907 399 D
   Component: LCM_MLBevoH08 0014  
   ASAM Dataset: EV_LCMRightHELLAAU736 001012
   ROD: EV_LCMLeftHELLAAU736_VW37.rod
   VCID: C7DEDE0A7EAFA877A4-8092

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change (J1086)       Labels:| 5Q0-907-686.clb
   Part No SW: 5Q0 907 686 B    HW: 5Q0 907 686 B
   Component: HRE_Master    H12 0071  
   Serial number: 0403694986
   Coding: 02032103
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_HREntryHella 001028
   ROD: EV_HREntryHella_VW37.rod
   VCID: BC34B1E63769FBAF39-80E8

   Lane Change Assistant 2: 
   Subsystem 1 - Part No SW: 5Q0 907 685 B    HW: 5Q0 907 685 B
   Component: HRE_Slave  H12 0071 
   Serial number: 0403543451          
   Coding: 020321

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
   Part No SW: 5Q4 959 593 E    HW: 5Q4 959 593 B
   Component: TSG FS        011 0032  
   Serial number: 0000260307237 
   Coding: 003B1220DE00020000001000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_DCUDriveSideEWMAXCONT 006001
   ROD: EV_DCUDriveSideEWMAXCONT.rod
   VCID: C7DEDE0A7EAFA877A4-8092

   Drivers Door Rear Control Module: 
   Subsystem 1 - Part No SW: 5Q4 959 811 D    HW: 5Q4 959 811 D  Labels: 5QX-959-81X-V1.CLB
   Component: Fond FHSG DRV  007 0002 
   Serial number: 00000000000005904935
   Coding: 110000

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
   Part No SW: 5Q0 909 144 T    HW: 5Q0 909 144 R
   Component: EPS_MQB_ZFLS  129 1072  
   Coding: 9307
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_SteerAssisMQB 013144
   ROD: EV_SteerAssisMQB_013.rod
   VCID: C5C2D40244A3BA6756-8090

No fault code found.

-------------------------------------------------------------------------------
Address 4B: Multifunc. Module (J745)       Labels:| 3Q0-907-338-V1.clb
   Part No SW: 3Q0 907 338     HW: 3Q0 907 338 
   Component: FCM MQB Low   002 0286  
   Serial number: 29051710521833
   Coding: 000000050100195200100F40020000000000000000000000000000000000
   Shop #: WSC 00028 028 00068
   ASAM Dataset: EV_MultiModulContiVW48X 001010
   ROD: EV_MultiModulContiVW48X_001.rod
   VCID: F2A85FDE25AD7DDF23-80A6

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
   Part No SW: 5Q4 959 592 E    HW: 5Q4 959 592 B
   Component: TSG BFS       011 0032  
   Serial number: 0000262773063 
   Coding: 003B1020DE00020000801000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_DCUPasseSideEWMAXCONT 006001
   ROD: EV_DCUPasseSideEWMAXCONT.rod
   VCID: C6C0D30E79A5B17F5F-8092

   Passengers Rear Door Control Module: 
   Subsystem 1 - Part No SW: 5Q4 959 812 D    HW: 5Q4 959 812 D  Labels: 5QX-959-81X-V1.CLB
   Component: Fond FHSG PSG  007 0002 
   Serial number: 00000000000005991910
   Coding: 090000

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
   Part No SW: 3Q0 035 824 C    HW: 3Q0 035 824 C
   Component: MU-S--ER      H41 0449  
   Serial number: VWZAZ2T1402668
   Coding: 02731200FF0000005111000100080A001F0508C40120050003
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_MUStd4CTSAT 001022
   ROD: EV_MUStd4CTSAT_VW37.rod
   VCID: AD128CA2FC136227BE-80F8

   Operating And Display Unit 1: 
   Subsystem 1 - Part No SW: 5G6 919 605 A    HW: 5G6 919 605 A
   Component: ABT_Std-2  H50 8130 
   Serial number: VWZ6ZJT1640281      

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:| 5Q0-907-383.clb
   Part No SW: 5Q0 907 383 N    HW: 5Q0 907 383 N
   Component: Anhaenger     H27 0264  
   Revision: 8A001003    Serial number: 0509730500
   Coding: 0100000202000000
   Shop #: WSC 40431 004 104857
   ASAM Dataset: EV_TrailFunctGener2Hella 001008
   ROD: EV_TrailFunctGener2Hella_VW26.rod
   VCID: C2C8CF1E558D8D5F73-8096

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam. (J772)       Labels:| 5Q0-980-556.clb
   Part No SW: 5Q0 980 556 B    HW: 5Q0 980 556 B
   Component: RVC Compact   H12 0231  
   Coding: 01840201A3002017000040
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_CamSysRVRVCPANAMQBAB 006009
   ROD: EV_CamSysRVRVCPANAMQBAB_006_VW37.rod
   VCID: B93AA8F2385BCE8722-80EC

1 Fault Found:
10489856 - No Basic Setting 
          B2010 00 [009] - -
          [RearView system not calibrated]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 100
                    Mileage: 31273 km
                    Date: 2020.03.24
                    Time: 18:43:49

                    passive


-------------------------------------------------------------------------------
Address A5: Frt Sens. Drv. Assist (R242)       Labels:| 3Q0-980-65X-A5.clb
   Part No SW: 3Q0 980 654 H    HW: 3Q0 980 654 A
   Component: MQB_B_MFK     H08 0272  
   Serial number: 07081712P22956
   Coding: 000307020000040100262054C156890090000E200020
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_MFKBoschMQBB 001001
   ROD: EV_MFKBoschMQBB_001_VW36.rod
   VCID: BC34B1E63769FBAF39-80E8

No fault code found.

-------------------------------------------------------------------------------
Address D6: Light Ctrl Left 2 (A31)       Labels: 7PP-941-572.clb
   Part No SW: 7P5 941 572 A    HW: 7P5 941 572 A
   Component: LED1L         H06 0002  
   ASAM Dataset: EV_LEDMinMaxL_KEBODAVW481 001003
   ROD: EV_LEDMinMaxL_KEBODAVW481.rod
   VCID: B93AA8F2385BCE8722-80EC

No fault code found.

-------------------------------------------------------------------------------
Address D7: Light Ctrl Right 2 (A27)       Labels: 7PP-941-572.clb
   Part No SW: 7P5 941 572 A    HW: 7P5 941 572 A
   Component: LED1R         H06 0002  
   ASAM Dataset: EV_LEDMinMaxR_KEBODAVW481 001003
   ROD: EV_LEDMinMaxRKEBODVW481.rod
   VCID: B93AA8F2385BCE8722-80EC

No fault code found.

End----------(Elapsed Time: 02:04, VBatt start/end: 12.4V/12.4V)-----------
 
   #2  

DV52

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pumkin (interesting handle - only one "p"!;)): hi and welcome to the forum. Also lots of kudos for an excellent first post :replete with pertinent pictures and an unedited auto-scan. You have denied Uwe his normal delight of adding code tags on newbie posts- which is a good thing!!

Let me start be saying that I'm guessing, but based on the section of the WD that's on the upper part of my picture below - it seems that the release hitch indicator light is part of the a larger assembly containing a "coupling attachment button" (which is not surprising)

The long-code helper screen on the lower part of my picture shows that there is a software switch on J345 that recognizes the installation of the button (and therefore I assume the indicator light),

Now, I'm not sure what the various versions of the "Button" mean, but I suspect one of these refers to an LED indicator (notice that symbol on my WD extract suggests that there is an incandescent version)

The current long-code-string on your scan report does not recognise the installation of the Button - I suggest that you experiment with the settings on Byte 2 - perhaps?

Don

 
Last edited:
   #3  

Pumpkin

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Thanks for response DV52.
I checked all variants. None of them work.

Maybe I need change module.
I found info on elsa about wiring in older module (from 2012).
This version is without button.

 
Last edited:
   #4  

DV52

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Pumkin: I pull my extract from the mk7.5 WD because its pertinent to your vehicle.

So which version of the indicator light fitting is installed on your car? It should be easy to determine this because according to the WD s, the newer fitting is wired to a 10x pin connector and the older fitting is wired to a 12 x pin connector

There is another software switch on the long code string which mentions "LED" - it's Byte 5, Bit 4-7. However the yellow long code helper screen description is "Dimmung F_LED": the "F" refers to the brake switch, so I discounted this option

And there is only 1 x adaptation channel in the module - so no luck there!

Don
 
   #5  

Pumpkin

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I have newer fitting (from 2014) 10 pin. I tried all the possibilities in Byte 2, Byte 5 and others.

I'll check the installation again because probably a problem is here.
 
   #6  

DV52

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Pumkin: The other possibility (or, "pissabolity" as we say here:)) is that the problem may be inside the Button fitting.

If you think about the implied internal wiring in the indicator fitting (as per my WD) and given that you have confirmed that your unit uses the newer 10 x pin connector , it's obvious that the internal circuit must provide an "earth" (better to say "a return path") for the LED/incandescent lamp via the "Button". This means I suspect that the Button has to be a single-pole changeover switch that connects Pin #3 to P#1 when the trailer is connected and it connects pin #3 to pin#2 when the trailer is released (this is the Normally Closed position of the Button). I also assume that the voltage supply to the trailer release LED times-out after a period of time

So -you should be able to confirm the electrical integrity of the Button: if you grab a multi-meter and recognizing that there is an LED in-circuit (so lead polarity is important) - you should be able to confirm that the button switch is operating correctly with the trailer connected/not-connected

Don
 
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Pumpkin

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Sorry I didn't write, because I started to install the kessy rear doors handles :)
Soon I will mount BSA so the rear bumper will be removed and then I will check the hook installation again and I will write what is wrong or not with LED.
 
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Pumpkin

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LED works :)
There was a bad second ground connection in the installation
between the hook opening/closing sensor.
 
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