Reversing Sensors and Tow Hitch

   #1  

LHSLTD

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Afternoon All

I have a mk2 Superb of a friend here, and his reversing sensors have never worked since he got the car. It has a proper skoda towbar fitted too.

When he puts it in reverse, he gets no noise from a speaker and no diagram coming up on the dash. But i am getting no error codes for it when i scan it other than the speaker is not working.

i have gone into measuring and when i bring up each sensor it says infinite, so it seems to be getting some signal, but when someone walks behind the car it doesn't change.

It feels like someone has disconnected something when the towbar was fitted but nothing seems obvious, and also no errors. Also all of the lights work on his trailer when he hooks it up, so I am at a loss with this just now.

Code:
Chassis Type: 3T-SK46 (7N0)
Scan: 01 03 08 09 10 15 16 17 19 22 25 36 37 42 44 46 52 55 56 62
          69 72 77

VIN: TMBDF93T4D9014463   Mileage: 169380km-105247miles

01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
10-Park/Steer Assist -- Status: Malfunction 0010
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
25-Immobilizer -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
37-Navigation -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CFGB)       Labels:. 03L-906-018-CFF.clb
   Part No SW: 03L 906 018 CK    HW: 03L 906 018 BR
   Component: R4 2.0l TDI   H25 9978  
   Revision: 42H25---    Serial number:                CVN: 8A1207B6
   Coding: 00190012042700080000
   Shop #: WSC 20022 210 00000
   ASAM Dataset: EV_ECM20TDI01103L906018CK 003008
   ROD: EV_ECM20TDI01103L906018C.rod
   VCID: F5BC0A5ED54E12F3047-80A0
   VINID: 91D4945890E41142400441060CE55D5F54

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

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 BL    HW: 1K0 907 379 BL
   Component: ESP MK60EC1   H31 0152  
   Revision: 00H31001    
   Coding: 863D6016092300FE610F06EA901C0082340000
   Shop #: WSC 33361 790 00053
   VCID: FDAC127EEDFE4AB34C7-80A8

2 Faults Found:
00285 - ABS Wheel Speed Sensor; Front Right (G45) 
            012 - Electrical Fault in Circuit - Intermittent
             Freeze Frame:
                    Fault Status: 00101100
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 140
                    Mileage: 168514 km
                    Time Indication: 0

             Freeze Frame:
                    Count: 3
                    Count: 0
                    Count: 20480
                    Count: 48
                    Count: 43008
                    Count: 57344
                    Count: 64512
                    Count: 0

02214 - Tire Pressure Warning 
            002 - Lower Limit Exceeded - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 145
                    Mileage: 168567 km
                    Time Indication: 0
                    Date: 2015.10.31
                    Time: 22:48:39

             Freeze Frame:
                    Count: 0
                    Count: 32768
                    Count: 12800
                    Count: 397
                    Count: 49664
                    Count: 1
                    Count: 65278
                    Count: 0


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 5K0-907-044.clb
   Part No SW: 3T0 907 044 BS    HW: 3T0 907 044 BS
   Component: Climatronic   H19 0606  
   Revision: 00001007    
   Coding: 0010000002
   Shop #: WSC 33361 790 00053
   ASAM Dataset: EV_Climatronic A01010
   ROD: EV_ClimaAutoBasis_SK46.rod
   VCID: 845A679A8E943B7B039-80D0

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
   Part No SW: 1K0 937 087 AG    HW: 1K0 937 087 AG
   Component: BCM PQ35  H+  111 0709  
   Revision: AB111709    
   Coding: 48990ABBE85BF1C040080080310089E4437000AE732085605C8040000040
   Shop #: WSC 33361 790 00053
   VCID: F6BE0D52C8C819EB0DD-80A2

   Subsystem 1 - Part No: 3T2 955 119 A  Labels: 1KX-955-119.CLB
   Component: Wischer 04061  26  0602 
   Coding: 00D7B7

   Subsystem 2 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
   Component: RLS 050712 05  54  0403 
   Coding: 0630ED

   Subsystem 3 - Part No: 1K8 951 171 
   Component: DWA-Sensor 00  001 0104 

   Subsystem 4 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5J0-919-475.clb
   Part No SW: 5J0 919 475 A    HW: 5J0 919 475 A
   Component: PARKHILFE 4K  H11 0005  
   Revision: --H11---    Serial number: 32961217801123
   Coding: 118011
   Shop #: WSC 20022 210 92354
   ASAM Dataset: EV_EPHVA14SKxxx0000 001001
   ROD: EV_EPHVA14SKxxx0000_001.rod
   VCID: B338F4469BBA4CC3EA3-80E6

1 Fault Found:
1080340 - Parking Aid Speaker 
          B107C 14 [009] - Open or Short to Ground
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 120
                    Mileage: 169385 km
                    Date: 2021.09.30
                    Time: 15:47:31


-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 5N0-959-655.lbl
   Part No SW: 3T0 959 655 D    HW: 3T0 959 655 D
   Component: J234__LC3 VW10 HI   2118  
   Revision: 22017000    Serial number: 003LEPC9S84   
   Coding: 0017203
   Shop #: WSC 33361 790 00999
   VCID: C2D6A182D880F54B715-8096

   Subsystem 1 - Serial number: 6332MTS694891602 

   Subsystem 2 - Serial number: 6342MTS671441652 

   Subsystem 3 - Serial number: 6351HTS6DP3O6BKJ 

   Subsystem 4 - Serial number: 6361HTS6RL3O6BKR 

   Subsystem 5 - Serial number: 63727TS6GD274BKR 

   Subsystem 6 - Serial number: 00000000000000000

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
   Part No SW: 1K5 953 521 AK    HW: 5K0 953 569 B
   Component: LENKS.MODUL   014 0140  
   Revision: FF010041    Serial number: 20120618800713
   Coding: 008A140000
   Shop #: WSC 33361 790 00999
   ASAM Dataset: EV_SMLSNGVOLWSXS A01004
   ROD: EV_SMLSNGVOLWS.rod
   VCID: F6BE0D52C84819EB0DD-80A2

   Multifunction steering wheel control module: 
   Subsystem 1 - Part No SW: 3T0 959 537     HW: 3T0 959 537   Labels: 3C8-959-537.CLB
   Component: E221__MFL-URO  H07 0012 
   Coding: 820000

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 3T2 920 941 K    HW: 3T2 920 941 K
   Component: KOMBI         H06 0608  
   Serial number: 00000000000000
   Coding: 410F01
   Shop #: WSC 33361 790 00053
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04114
   ROD: EV_Kombi_UDS_VDD_RM09_SK46.rod
   VCID: BD2CD27EADFE8AB30C7-80E8

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
   Part No SW: 7N0 907 530 R    HW: 7N0 907 530 H
   Component: J533  Gateway H42 1632  
   Revision:   H42       Serial number: 020712F2000246
   Coding: 353303
   Shop #: WSC 33361 790 00053
   VCID: BFD0A876A77298A31EB-80EA

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD        Labels: 0AY-907-554-V1.clb
   Part No SW: 0BR 907 554 C    HW: 0BR 907 554 C
   Component: Haldex 4Motion      3018  
   Coding: 0000005
   Shop #: WSC 00000 000 00000
   VCID: C5DCBA9EC9AEC273547-8090

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          H06 0608  
   Serial number: 00000000000000
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03009
   ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
   VCID: EA8629228CF0CD0B995-80BE

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J810)       Labels: 3C0-959-760.lbl
   Part No SW: 3C8 959 760 C    HW: 3C8 959 760 C
   Component: Sitzmemory    H05 2901  
   Revision: 00H05000    
   Coding: 00003B
   Shop #: WSC 12336 024 394758
   VCID: B53CCA5E954E52F3C47-80E0

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 3T0 035 680 K    HW: 3T0 035 680 E
   Component: RNS-MID       H70 5238  
   Revision: AB001001    Serial number: SKZ6Z7M5170121
   Coding: 04000402000400810000
   Shop #: WSC 33361 790 00053
   VCID: B822C36A825CAF9BDF1-80EC

   Subsystem 1 - Part No: 3T0 051 859 AT
   Component: EU West V16  8536 

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8X0-959-793.clb
   Part No SW: 8X0 959 793 H    HW: 8X0 959 793 H
   Component: TSG FA        H10 0415  
   Revision: --------    Serial number: --------------
   Coding: 011D0220DE01001000
   Shop #: WSC 33361 790 00053
   VCID: D2F691C204E065CBC15-8086

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 P
   Component: EPS_ZFLS Kl. 196    3305  
   Revision: 00H22000    
   Shop #: WSC 33361 790 00053
   VCID: B720C0568342A0E3D6B-80E2

1 Fault Found:
01316 - ABS Control Module 
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 140
                    Mileage: 168514 km
                    Time Indication: 0
                    Date: 2015.10.31
                    Time: 11:20:06

             Freeze Frame:
                    Voltage: 11.88 V
                        DD
                    Temperature: 18.0°C
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Speed: 0.0 km/h
                    Count: 0


-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8X0-959-792.clb
   Part No SW: 8X0 959 792 H    HW: 8X0 959 792 H
   Component: TSG BF        H10 0415  
   Revision: --------    Serial number: --------------
   Coding: 011D0220DE01001000
   Shop #: WSC 33361 790 00053
   VCID: D1F49ECE01E61ED3F8F-8084

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 5M0-907-357-V2.clb
   Part No SW: 5M0 907 357 C    HW: 5M0 907 357 C
   Component: AFS-Steuergeraet    0148  
   Revision: 00H04000    Serial number:               
   Coding: 1377095
   Shop #: WSC 33361 790 00999
   VCID: B43AF75A92344BFBF39-80E0

   Subsystem 1 - Part No: 7L6 941 329 B  Labels: 3D0-941-329.CLB
   Component: AFS-Lst.-Modul l    0005  
   Coding: 00000021

   Subsystem 2 - Part No: 7L6 941 329 B  Labels: 3D0-941-329.CLB
   Component: AFS-Lst.-Modul r    0005  
   Coding: 00000021

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 3T0 035 680 K    HW: 3T0 035 680 E
   Component: RNS-MID       H70 5238  
   Revision: AB001001    Serial number: SKZ6Z7M5170121
   Coding: 04000402000400810000
   Shop #: WSC 33361 790 00053
   VCID: B822C36A825CAF9BDF1-80EC

   Subsystem 1 - Part No: 3T0 051 859 AT
   Component: EU West V16  8536 

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 8X0-959-795.clb
   Part No SW: 8X0 959 795 D    HW: 8X0 959 795 D
   Component: TSG HL        H07 0415  
   Revision: --------    Serial number: --------------
   Coding: 010C00200001001000
   Shop #: WSC 33361 790 00053
   VCID: D0F29BCA0AEC17DBF71-8084

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
   Part No SW: 1K0 907 383 F    HW: 1K0 907 383 F
   Component: Anhaenger     H09 0100  
   Revision: 3A001001    Serial number: 00000153432346
   Coding: 0100000100000000
   Shop #: WSC 00000 000 00000
   VCID: B032FB4A6A2C77DB971-80E4

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 8X0-959-795.clb
   Part No SW: 8X0 959 795 D    HW: 8X0 959 795 D
   Component: TSG HR        H07 0415  
   Revision: --------    Serial number: --------------
   Coding: 010C00200001001000
   Shop #: WSC 33361 790 00053
   VCID: D0F29BCA0AEC17DBF71-8084

No fault code found.

-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 3C8-035-730-A.clb
   Part No SW: 3C8 035 730 C    HW: 3C8 035 730 C
   Component: Telefon       012 0822  
   Revision: --------    Serial number: 35909603412996
   Coding: 020100000100010000000000
   Shop #: WSC 33361 790 00999
   ASAM Dataset: EV_UHVPremi A02705
   ROD: EV_UHVPremi_A02.rod
   VCID: A31804062B5ADC431A3-80F6

No fault code found.


End----------(Elapsed Time: 01:54, VBatt start/end: 12.5V/12.1V)---------

I cleared all the codes and the only one outstanding is the parking assist speaker. Even an output test doesn't get a noise from it, so either its broken, or not there. My friend has gone away to look for a used module, just in case it is that which is faulty.

Thanks in advance for any advice.

Lennie
 
   #2  

chillout1983

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Would it not be best to replace the speaker first my guess would be it won't operate at all until that's clear as logically that seems safer than working with no sound
 
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LHSLTD

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Thanks for the reply.

Yeah he is going to take the dash out and check if its there then test if it works off a battery, but I would have thought that even without sound it would have put the distance diagram thing up on the radio, as its selected in the coding. I also checked the reverse signal in the measuring, and it knows when its put into reverse, and the reverse light comes on.
 
   #4  

LHSLTD

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OK SO we will get the parking sensor speaker replaced. Apparently there are two places this could be fitted in the mk2 Superb, either the standard place behind the dash or in the headliner somewhere. Is there anyway of telling from the autoscan there which version is fitted(H15/H22??? speaker) or is it going to be a suck it and see?

Cheers
 
   #5  

chillout1983

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I would probably buy a speaker on the off chance it is faulty as it saves taking the car apart 2 times and they speaker looks to be under £20 on ebay
 
   #6  

siLc

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Vehicles with only rear sensors the speaker is normally in the rear, probably on the right.
 
   #7  

LHSLTD

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Thanks for all the input folks.

I am just going to download the details from erwin so he has them to hand for changing the speaker, I had it in my head it was in the headlining behind the B pillar somewhere, but we shall endeavour to discover. Once we get to the bottom of it, i shall post a resolution here for any future investigators.
 
   #8  

Guitarman

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It's worth making sure the micro switch (if it has one) inside the towbar socket hasn't been stuck in with road mud. If it is, then the rear fog lamps will also be not working. Not sure if this applies with Skodas but some UK VW's with O/E Westfalia tow bars have this system. The reverse sensors and fog lamps are switched off physically by a tiny button inside the socket. It's hard to spot once it is stuck fully in.
 
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