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Thread: Golf MK7.5 OEM Towbar/Hitch

  1. #1
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    Jul 2019
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    Poland
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    Golf MK7.5 OEM Towbar/Hitch

    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)-----------

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  3. #2
    Verified VCDS User DV52's Avatar
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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 by DV52; 03-24-2020 at 08:10 PM.
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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  5. #3
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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 by Pumpkin; 03-25-2020 at 06:32 AM.

  6. #4
    Verified VCDS User DV52's Avatar
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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
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

  7. #5
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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.

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  9. #6
    Verified VCDS User DV52's Avatar
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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
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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