Does anyone know the Pin Assignment for the Side Assist Radars? (TPMS retrofit)

   #1  

dark5had0w

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Specifically 5Q0907685 / 5Q0907686?
also known as the "Blindspot Radars".

I need to tap into the CANBUS High and CANBUS Low pins, so i can connect a TPMS (direct) controller module that i'm looking to retrofit to my 2017 Skoda Superb.

I've read XAGICO's write-up on the TPMS retrofit, a number of times. However he's connected it up differently with the Golf 7 wiring - he ran wires from the canbus gateway at the front, through the sides and into the rear. I don't want to do that.

A Kodiaq owner has tapped into the BSD radar for the CANBUS connections. I'm looking to do the same. See blue arrow in pic below.
The BSD radar connector has 6 wires. I'm trying to figure out which one/pin is CANBUS High and CANBUS Low.

I'll source power for the TPMS from the boot 12v source.

Any help would b much appreciated.

Screenshot_20201229-095603.png.11a978036fa6877175355e1503a083e4.png


Heaad36fe8a3644178c951f78b671d835W.jpg_q50.jpg.d962663b62edae7d784f84c034d05834.jpg
 
   #2  

siLc

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CAN wires are easily spotted using wire colors. Orange/gray for CAN-H and orange/brown for CAN-L in case of CAN Extended.

Please use a properly fused battery live voltage source instead of a power socket. For the TPMS module, it should be fuse SC7.
 
   #3  

dark5had0w

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Thanks very much @siLc - much appreciated regarding how to identify the CANBUS wires.

With regards to the power source - that would b my preference too.
Ideally I route a power source from the fuse box up front, but I'm not keen on removing all the side trims, rear seats and all the boot liners to get the wire to the TPMS module.

The module requires a permanent power source, not a switched/ignition power source.

I don't know if there would b an alternate existing power source at the back of the car?
 
   #4  

dark5had0w

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Ah, I just realised wat u were referring to by "fuse SC7".
Yes, I'll b using a 12v cigarette lighter plug with a built in SC7 fuse, like this.....
Fused-Cigarette-Lighter-Plug-to-2.5mm-DC-Plug.jpg
 
   #5  

siLc

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No, not this thing pictured. SC7 is fuse 7 in the fusebox under the dashboard. Power sockets usually provide switched voltage, so that wouldn't be suitable.

If you want alternatives to dismantling the interior, post an autoscan to help us see how your car is configured - if there is anything in the rear part of the car which uses battery voltage.
 
   #6  

VWT6

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The BSD radar connector has 6 wires. I'm trying to figure out which one/pin is CANBUS High and CANBUS Low.

Master J1086 right - connector T8bs
3 - CAN high to pin 19 on BCM plug B (white)
4 - CAN low to pin 18 on BCM plug B (white)
5 - GND
6 - to Slave 6
7 - to Slave 7
8 - +12V, terminal 15a

Slave J1087 left - connector T8br
3 - lamp mirror right K304
4 - lamp mirror left K303
5 - GND
6 - from Master 6
7 - from Master 7
8 - +12V, terminal 15a
 
   #7  

dark5had0w

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Thank you very much @VWT6 .

@siLc .....below is my autoscan:-

Code:
Sunday,01,November,2020,10:53:07:54679
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.2.0 (x64) HEX-V2 CB: 0.4513.4
Data version: 20200730 DS317.0
www.Ross-Tech.com

Workshop Code: 790 33361 000141

VIN: TMBBD9NP9xxxxxxx  License Plate:

Chassis Type: NP-SK48 (3Q0)
Scan: 01 02 03 05 08 09 10 13 14 15 16 17 19 2B 36 3C 42 44 47 4B 52 5F 6C 6D A5

VIN: TMBBD9NPxxxxxxx. Mileage: 45391km-28204miles

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
14-Susp. Elect. -- 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
2B-Steer. Col. Lock -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
47-Sound System -- Status: OK 0000
4B-Multifunc. Module -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
A5-Frt Sens. Drv. Assist -- Status: OK 0000
-------------------------------------------------------------------------------

Address 01: Engine (J623-CHHB) Labels:. 06K-907-425-V1.clb
Part No SW: 3G0 906 259 HW: 06K 907 425 E
Component: 2.0l R4 TFSI H13 0004
Revision: --H13---
Coding: 0C1D00324464050B3000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_ECM20TFS0203G0906259 001007
ROD: EV_ECM20TFS0203G0906259_SK48.rod
VCID: 698FBFDCB9F4BB33E5D-803C

No fault code found.
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J743) Labels: 0D9-927-770.clb
Part No SW: 0D9 300 042 S HW: 02E 927 770 AS
Component: DQ250-6F MQB H54 5008
Revision: 06454104 Serial number: TFK01703072932
Coding: 0014
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_TCMDQ250021 001001
ROD: EV_TCMDQ250021.rod
VCID: 290FFFDC79747B3325D-807C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104) Labels: 5Q0-907-379-IPB-V1.clb
Part No SW: 5Q0 614 517 CH HW: 5Q0 614 517 AH
Component: ESC H62 0743
Revision: 00000000 Serial number: 60757000000940
Coding: 1D07929C34242370477C060740C549B8492CC4E2600292753841F0B8C2A9420000000012121212B835351919323200
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_Brake1UDSContiMK100IPB 036010
ROD: EV_Brake1UDSContiMK100IPB_036_SK37.rod
VCID: 79AFEF9CC9540BB315D-802C

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518) Labels:| 5Q0-959-435.clb
Part No SW: 3Q0 959 435 E HW: 3Q0 959 435 E
Component: VWKESSYMQB 036 0811
Revision: 00036000 Serial number: 0435675591
Coding: 032C0C0F03
Shop #: WSC 33361 790 00157
ASAM Dataset: EV_KessyHellaMQBAB 004039
ROD: EV_KessyHellaMQBAB.rod
VCID: 3C21368886E6FE9B4EB-8068

Sensor Controlled Power Rear Lid:
Subsystem 1 - Part No SW: 3AA 962 243 G HW: 3AA 962 243 G
Component: GEB.F.Heckoef H16 0903
Serial number: 84511692

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (E87) Labels:| 3V0-907-044.clb
Part No SW: 3V0 907 044 DT HW: 3V0 907 044 DT
Component: AC Automat H34 4101
Revision: 20K07000 Serial number: 00000B00440885
Coding: 1111000400010001100510400010110A
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_ACClimaPrehVW37X 002019
ROD: EV_ACClimaPrehVW37X_002_VW37.rod
VCID: 094F9F5C99B41B3305D-805C

Relative humidity sensor in fresh air intake duct:

Rear Climatronic Operating And Display Unit:
Subsystem 2 - Part No SW: 3V0 907 049 E HW: 3V0 907 049 E
Component: E265KlimaHeck H02 0101
Serial number: 06051501850797
Coding: 000000

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519) Labels:. 5Q0-937-08X-V2.clb
Part No SW: 5Q0 937 084 CG HW: 5Q0 937 084 CG
Component: BCM MQBAB H H34 0236
Serial number: 02001706702006
Coding: 000000000000000000000000000000000000000000000000000000000000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_BCMMQB 017001
ROD: EV_BCMBOSCH_017.rod
VCID: 7F5B0184D77025832B9-802A

Control Unit For Wiper Motor:
Subsystem 1 - Part No SW: 3V2 955 119 HW: 3V1 955 119 Labels: 5QX-955-119-V1.CLB
Component: 48x RL 170123 032 0121
Serial number: 00000001701190311402
Coding: 165DDD

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: S4Y17M03D17H00M41S19
Coding: 00084D

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: 000000000ZY170520ENB

Alarm horn:
Subsystem 4 - Part No SW: 5Q0 951 605 A HW: 5Q0 951 605 A
Component: Sirene, DWA 005 0314
Serial number: 00000000000068779578

Seat Backrest Fan 1 Front Left:
Subsystem 5 - Part No SW: 3G0 963 345 HW: 3G0 963 345
Component: SysNameFanLin 014 0101
Serial number: ESE0194413

Seat Cushion Fan 1 Front Left:
Subsystem 6 - Part No SW: 3G0 963 345 HW: 3G0 963 345
Component: SysNameFanLin 014 0101
Serial number: ESE0252949

Seat Backrest Fan 1 Front Right:
Subsystem 7 - Part No SW: 3G0 963 345 HW: 3G0 963 345
Component: SysNameFanLin 014 0101
Serial number: ESE0306752

Seat Cushion Fan 1 Front Right:
Subsystem 8 - Part No SW: 3G0 963 345 HW: 3G0 963 345
Component: SysNameFanLin 014 0101
Serial number: ESE0252954

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791) Labels:| 5Q0-919-298.clb
Part No SW: 5QA 919 298 B HW: 5QA 919 298 A
Component: PLA 3.0 12KH07 0038
Serial number: 000308417617066
Coding: 0371167051
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_EPHVA2CAU3700000 009032
ROD: EV_EPHVA2CAU3700000_009_VW37.rod
VCID: 4FFB7144275075039B9-801A

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428) Labels:| 3Q0-907-572.clb
Part No SW: 3Q0 907 572 C HW: 3Q0 907 572 C
Component: ACC BOSCH MQB H04 0195
Coding: 320047C355FFC428949C8045
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_ACCBOSCHVW48X 001009
ROD: EV_ACCBOSCHVW48X.rod
VCID: 353723ACA5CC2FD3B15-8060

No fault code found.

-------------------------------------------------------------------------------
Address 14: Susp. Elect. (J250) Labels: 5Q0-907-376.clb
Part No SW: 5Q0 907 376 B HW: 5Q0 907 376 A
Component: DAEMPFUNGS-SG H17 0121
Serial number: 27021741350103
ASAM Dataset: EV_DRCONTITEMIC 001019
ROD: EV_DRCONTITEMIC_VW37.rod
VCID: 38292A98B2DED2BBAA3-806C

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234) Labels:| 5Q0-959-655.clb
Part No SW: 5Q0 959 655 AS HW: 5Q0 959 655 AS
Component: AirbagVW21 003 0317
Serial number: 003TMR2RU5N$
Coding: 98FCC0C0000000005C540000008800000065
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_AirbaVW20SMEVW37X 002154
ROD: EV_AirbaVW20SMEVW37X_VW37.rod
VCID: 117FB73CF1E423F3CDD-8044

Belt Pretensioner left:
Subsystem 1 - Part No SW: 4M0 980 945 A HW: 4M0 980 945 A
Component: BeltPretRevFL 106 1032
Serial number: 3V0857701C0066R00290
Coding: 80000D

Belt Pretensioner right:
Subsystem 2 - Part No SW: 4M0 980 946 A HW: 4M0 980 946 A
Component: BeltPretRevFR 106 1032
Serial number: 3V0857702C0066R00869
Coding: 80000D

Side Sensor Driver Front:
Subsystem 3 - Part No SW: ----------- HW: 480 001 303 17
Component: SideSensor_Df 001 0887
Serial number: 3570000000063838D12G
Coding: 2D2D2D

Side Sensor Passenger Front:
Subsystem 4 - Part No SW: ----------- HW: 480 001 203 17
Component: SideSensor_Pf 001 0887
Serial number: 358000000002D148D12H
Coding: 2D2D2D

Side Sensor Driver Rear:
Subsystem 5 - Part No SW: ----------- HW: 480 401 403 17
Component: SideSensor_Dr 000 6149
Serial number: 3510001C125187C2F61$
Coding: 2D2D2D

Side Sensor Passenger Rear:
Subsystem 6 - Part No SW: ----------- HW: 480 401 403 17
Component: SideSensor_Pr 000 6149
Serial number: 3520001C125187C2C62
Coding: 2D2D2D

Front Sensor Driver:
Subsystem 7 - Part No SW: ----------- HW: 480 401 403 17
Component: FrontSensor_D 000 6149
Serial number: 3550001A124A4331562M
Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J524) Labels:| 5Q0-953-549.clb
Part No SW: 5Q0 953 521 LH HW: 5Q0 953 569 A
Component: Lenks.Modul 075 0235
Revision: FF035035 Serial number: 20170317400414
Coding: 6014
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_SMLSVALEOMQB 001015
ROD: EV_SMLSVALEOMQB.rod
VCID: 03538D74BB9841634F1-8056

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285) Labels:| 5G0-920-XXX-17.clb-SRI3
Part No SW: 3V0 920 750 A HW: 3V0 920 750 A
Component: KOMBI 305 8311
Coding: 27A5011A7F84000801887B0B5001000000000000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_DashBoardVDDMQBAB 009051
ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
VCID: 313F17BC51A403F3EDD-8064

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533) Labels:| 3Q0-907-530-V1.clb
Part No SW: 3Q0 907 530 C HW: 3Q0 907 530 C
Component: GW MQB High 515 5286
Serial number: 20031710802543
Coding: 030100047F085900EB00025E9C0F00010001070000000000000000000000
Shop #: WSC 33361 790 00132
ASAM Dataset: EV_GatewNF 013020
ROD: EV_GatewNF_VW37.rod
VCID: 2F3B11C447901503FB9-807A

Alternator:

Multi Function Steering Wheel Control Module:
Subsystem 2 - Part No SW: 3V0 919 719 B HW: 3V0 919 719 B
Component: E221__MFL-PR6 H02 0160
Serial number: 000000000A2202100317

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: 0420452904

No fault code found.

-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764) Labels:* 5Q0-905-861.clb
Part No SW: 3Q0 905 861 HW: 3Q0 905 861
Component: ELV-MQBB H05 0032
Serial number: 17000057309003
Coding: 0800000000000000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_ELVMarquMQBB 001007
ROD: EV_ELVMarquMQBB.rod
VCID: 71BFD7BC912443F3ADD-8024

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J810) Labels:* None
Part No SW: 5Q0 959 760 C HW: 5Q0 959 760 C
Component: Sitzmemory H09 0024
Serial number: Y0006RLE37446
Coding: 0014000000000500018280808080000000008181000000D400
Shop #: WSC 40189 002 1048576
ASAM Dataset: EV_SeatMemorDriveSide 002022
ROD: EV_SeatMemorDriveSide.rod
VCID: 3D273B8C9DFCF793795-8068

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: 0433918774
Coding: 02011203
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_HREntryHella 001028
ROD: EV_HREntryHella_VW37.rod
VCID: 3C21368886E6FE9B4EB-8068

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: 0433874882
Coding: 020112

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 010 0032
Serial number: 0000246888384
Coding: 001D0820DE01048000001100
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_DCUDriveSideEWMAXCONT 006001
ROD: EV_DCUDriveSideEWMAXCONT.rod
VCID: 47CB5964CF20AD43D39-8012

Drivers Door Rear Control Module:
Subsystem 1 - Part No SW: 5Q0 959 812 A HW: 5Q0 959 812 A Labels: 5QX-959-81X-V1.CLB
Component: FOND_FHSG_DRV 005 0005
Serial number: 00000000000013779652
Coding: 0D0200

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 128 1072
Coding: 9307
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_SteerAssisMQB 013144
ROD: EV_SteerAssisMQB_013.rod
VCID: 45D7536CF52CBF53215-8010

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525) Labels:| 81A-035-466.clb
Part No SW: 81A 035 223 HW: 81A 035 223
Component: MIB2_amp_P_SK H10 0410
Revision: 00000001 Serial number: SKZ8Z1HJE01EWLU
Coding: 0384010000AA002FAA0000000000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_AMPMst16C5Gen2ALPI 001001
ROD: EV_AMPMst16C5Gen2ALPI.rod
VCID: 59EF8F1C69942BB375D-800C

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 001 0285
Serial number: 19031710522619
Coding: 000000020100066E06007F01000000000000000000000000000000000000
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_MultiModulContiVW48X 001010
ROD: EV_MultiModulContiVW48X_001.rod
VCID: 72BDD8B0942278EB547-8026

Left Headlamp Power Output Stage:
Subsystem 1 - Part No SW: 4H0 941 329 HW: 4H0 941 329
Component: Leimo links H02 0013
Coding: 000000

Right Headlamp Power Output Stage:
Subsystem 2 - Part No SW: 4H0 941 329 HW: 4H0 941 329
Component: Leimo rechts H02 0013
Coding: 000000

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 010 0032
Serial number: 0000247352296
Coding: 001D0220DE01048000001100
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_DCUPasseSideEWMAXCONT 006001
ROD: EV_DCUPasseSideEWMAXCONT.rod
VCID: 46D55460C82AB44B28F-8012

Passengers Rear Door Control Module:
Subsystem 1 - Part No SW: 5Q0 959 811 A HW: 5Q0 959 811 A Labels: 5QX-959-81X-V1.CLB
Component: FOND_FHSG_PSG 005 0005
Serial number: 00000000000013710967
Coding: 150200

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794) Labels:| 3V0-035-MIB-HGH2.clb
Part No SW: 3V0 035 045 D HW: 3V0 035 045
Component: MU-H-N-RW H50 0942
Serial number: A692B0HS002088
Coding: 038401080000000051510002000908212F0100E6012001009E
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_MUHig4CGen2HBAS 001001
ROD: EV_MUHig4CGen2HBAS_VW37.rod
VCID: 2E050CC0409A1C0BF0F-807A

Operating And Display Unit 1:
Subsystem 1 - Part No SW: 3V0 919 606 HW: 3V0 919 606
Component: ABT_High-2 H47 1031
Serial number: SKZ8Z9TLU01HFA

Data medium:
Subsystem 2 - Part No SW: V03 959 806 GS HW: -----------
Component: ROW 2020/2021 --- 0088
Serial number: --------------------

Compact Disc Database:
Subsystem 3 - Part No SW: V03 959 800 EG HW: -----------
Component: Gracenote2--- --- 4009
Serial number: --------------------

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: 04840101A600201F000040
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_CamSysRVRVCPANAMQBAB 006009
ROD: EV_CamSysRVRVCPANAMQBAB.rod
VCID: 392F2F9C89D4CBB355D-806C

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (J605) Labels:| 5Q0-959-107.clb
Part No SW: 5Q0 959 107 L HW: 5Q0 959 107 J
Component: HDSG-Modul H13 0261
Revision: -------- Serial number: 31249117700000
Coding: 1008
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_DeckLidCONTIAU736 001014
ROD: EV_DeckLidCONTIAU736_VW37.rod
VCID: 41DF477CE10493731DD-8014

No fault code found.

-------------------------------------------------------------------------------
Address A5: Frt Sens. Drv. Assist (R242) Labels:| 3Q0-980-65X-A5.clb
Part No SW: 3Q0 980 654 G HW: 3Q0 980 654
Component: MQB_B_MFK H06 0231
Serial number: 14031712P23002
Coding: 020408010000010100022354C050A90098000E100040
Shop #: WSC 33361 790 00141
ASAM Dataset: EV_MFKBoschMQBB 001001
ROD: EV_MFKBoschMQBB_001_VW36.rod
VCID: 3B23359483E8F9A3471-806E

No fault code found.

End----(Elapsed Time: 01:54, VBatt start/end: 11.9V/11.9V. VIgn 11.9V)-----
 
Last edited by a moderator:
   #8  

dark5had0w

Verified VCDS User
Verified
Joined
Feb 1, 2019
Messages
19
Reaction score
16
Location
Australia
VCDS Serial number
C?ID=356542
so now the CANBUS pins r sorted, its time to sort out my power options.

I have 3 options for power:-

1. Easiest - source from the 12v cig lighter in the boot. this is a constant power source.

2. unknown - source power from the trailer electrics (SC44), a suggested option by @XaGiCo .
Problem is my car doesn't come with a tow bar fitted, but I hear the Superb comes with "tow bar preparation (electrics)" in place. I also noticed in my car's fuse board, location 44 has a 15 amp fuse in it already.
I removed the left side C-pillar and I can see these two plugs. I'm hoping the black connector is the towbar electrics (???), if so I can then tap into that for SC44 power source.

3. Hardest, but ideal - source power from the Fuse board under the dash, specifically piggyback from Fuse Location 7 (SC7 - preferred option).
I've had a closer look, and I think I've figured a path from the fuse board to the rear boot, without having to remove the interior door sill trims. Essentially I can tuck the wire under the headliner, and reach behind the boot trim.

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   #9  

Robert-VW

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Go OEM and use dedicated fuse after ignition (terminal 15).
Also CAN bus wires should be isolated from the rest of the network via dedicated relay triggered by ignition switch. More details below. Different platform but same principle.
 
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siLc

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Go OEM and use dedicated fuse after ignition (terminal 15).
Also CAN bus wires should be isolated from the rest of the network via dedicated relay triggered by ignition switch. More details below. Different platform but same principle.
This is for PQ25 but the vehicle at hand is MQB. This does not apply.

The fact that SC44 is occupied, doesn't mean the vehicle has trailer prep. Check the build sticker in spare wheel well or service book. If PR code 1D0 is present, there is no trailer prep. 1D8 is for trailer prep. If you REALLY want to avoid running new wires from the front, you can use the supply voltage for the electric rear lid module. That is on battery voltage.
 
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   #11  

dark5had0w

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The fact that SC44 is occupied, doesn't mean the vehicle has trailer prep. Check the build sticker in spare wheel well or service book. If PR code 1D0 is present, there is no trailer prep. 1D8 is for trailer prep. If you REALLY want to avoid running new wires from the front, you can use the supply voltage for the electric rear lid module. That is on battery voltage.

mine definitely has the trailer hitch preparation, which I verified using Erwin Skoda to get the vehicle build report of all the PR-codes based on my VIN number.
it has "1D7 - Trailer Hitch Preparation" listed (see screenshot below). this is the wiring harness from the front to the back.
it doesn't have the trailer control module, or the wiring after that to the towbar as i don't have it fitted.

nonetheless, I'm going to follow ur advice and run power from the front fuse board. I'm going to piggyback off fuse 44 (trailer device, since i don't actually have a towbar in use), and run it (under the headliner) to the back.

thanks for ur help :thumbs:

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dark5had0w

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Unfortunately my plans to piggyback of Fuse #44 (trailer) is hampered due to the extra tall pink fuse in location #43 :(

My concern with Fuse #7 is that a number of things will reset or loose settings if I pull the fuse.
Fuse #7 is responsible for Air conditioning, heating, receiver for the remote control for the auxiliary heating, heated rear window, heated windscreen, clock.
or will there b no issues?

My alternatives, pending a multi meter test (for constant power), are:-
- Fuse #10 (10A Infotainment screen, TV tuner, ExBoxM2)
- Fuse #22 (15A Towing hitch)
- Fuse #30 (20A 12v Boot Socket) this one is constant power supply.
Leaning towards using this one as there is lots of space around it to cater for a piggy back.

ur thoughts @siLc ?
 
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siLc

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An aussie car with an auxiliary heater and heater windscreen? Have the oceans frozen over? :) Just joking, your car doesn't have neither.

Thats a guarantee nobody can give you. If you want to be sure, just disconnect the battery before...and run the wire under the sill plates instead of the headliner. Sorry, that's also a half-measure. If you're worried about undesireable noises after reinstalling, then the sills hardly exhibit this.
 
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It's all working now - thanks for ur help.
It's tapped to Fuse location 30, and I've run the wiring under the door sill trim.
The TPMS module was already parameterized, so there was no need for me to use VCP to get it working. However, I'll need to update the parameter file so it has the correct tyre profile, based on my car.

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Good work! What's the tpms unit you used? Is it 5Q0907273B? How did you choose to place the unit on the left side and not the right? I am under the impression that the oem side is the right one. Also did you try to mount it in the trunk space somewhere or you only tried the outside of the car?

I'm waiting for this to do the same retrofit:
https://www.aliexpress.com/item/32866483455.html?spm=a2g0s.9042311.0.0.3faf4c4dMMgcfQ
 
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siLc

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That looks like the proper holder for it and from the parts catalogue schematics, also looks like the correct mounting position :)
 
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dark5had0w

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Good work! What's the tpms unit you used? Is it 5Q0907273B? How did you choose to place the unit on the left side and not the right? I am under the impression that the oem side is the right one. Also did you try to mount it in the trunk space somewhere or you only tried the outside of the car?

Thank you. Yes, that is the unit part number.

I put it on the left side because:-
- the BCM module is on the left side
- the TPMS's wire length is not long enough if placed on the right side
- the guides show placement on the left side.

My preference was to mount it behind the bumper, so it's accessible from under the car, just in case.
I had the OEM holder for the TPMS unit. I just had to trim a little of the top bit of the holder so I could mount it with the bumper guide holder.

Putting in the boot is doable. Don't see any problems if u want to do that.

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View from underneath, with the bumper back in place.
IMAG5540.jpg.c31b8cd95491a64b3cb4c1252990ac72.jpg
 
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siLc

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With tech dependent on the propagation of radio waves, it would be wise to not deviate too much from the factory installation position.

Also, a suggestion for next time - use Tesa tape to wrap the retrofitted wires together before running them. Use fluffy cloth tape on the interior and textured tape (model 51006) on the exterior. Helps to keep things tidy and prevent chafing. The corrugated piping is also a good idea for additional protection.
 
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