Tow Bar Step Retrofit and park sensor sensitivity

   #1  

audiobull

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VCDS Serial number
C?ID=184184
I fitted a vw tow bar to my vw 2021 crafter some time ago and I then fitted the vw step which attaches to the tow bar. All genuine vw but now and again the park sensors pick up the step which when your reversing suddenly goes crazy showing red and beeping while actually miles away from anything.

Is there a way to turn down sensitivity of 1 sensor or can you suggest another way around it? I tried the cleaning the sensor and in the coding there is no specific option for the step that I can see. I need the step, the vans huge.

Coding below is a little old but nothing has changed from that

Code:
Monday,07,June,2021,17:40:24:44557
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.3.0.0 (x64)  HEX-NET2 CB: 0.4543.4
Data version: 20210226 DS325.0
www.Ross-Tech.com


VIN: WV1ZZZSYZM9049699   License Plate:
Mileage: 111km-68mi   Repair Order:



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


Chassis Type: SY-VN54 (3Q0)
Scan: 01 03 08 09 10 13 15 17 19 42 44 52 5F 69 75 BB BC

VIN: WV1ZZZSYZM9049699   Mileage: 111km-68miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- 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
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
69-Trailer -- Status: OK 0000
75-Telematics -- Status: Malfunction 0010
BB-Door Rear Drv -- Status: Cannot be reached 0100
BC-Door Rear Pass -- Status: Cannot be reached 0100
-------------------------------------------------------------------------------
Address 01: Engine (J623-DAUA)       Labels: None
   Part No SW: 04L 906 056 SK    HW: 04L 907 445 P
   Component: R4 2.0l TDI   H01 9970
   Revision: 23203001 
   Coding: 001940346324050800000000000000000000000000000000
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_ECM20TDI03004L906056SK 007004
   ROD: EV_ECM20TDI03004L906056SK_007.rod
   VCID: 0842F2A202B9DB9BC73-805C

1 Fault Found:
25114 - Databus
          U1122 00 [035] - Implausible Message
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 110 km
                    Date: 2021.06.08
                    Time: 05:16:03

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 31 °C
                    Intake air temperature: 27 °C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 12.234 V
                    Unlearning counter according OBD: 40
                    Acceleration: 0.000 m/s²
                    Average vehicle speed: 0.00 km/h
                    Cruise Control System (CCS): status: main switch off
                    Status irriversible shutoff condition cruise control and limiter-Status: 0
                    Cruise control system: temporary deactivation: No switch-off
                    Accelerator pedal travel: raw value: 0.00 %
                    Cruise control switch actuation-Engaged OFF: No
                    Cruise control switch actuation-Tap delay: No
                    Cruise control switch actuation-Tap acceleration: No
                    Cruise control switch actuation-Set: No
                    Cruise control switch actuation-Resume: No
                    Cruise control switch actuation-Plausibility check of main switch: No
                    Cruise control switch actuation-Tip acceleration/deceleration second level: No
                    Cruise control switch actuation-Operating error: No
                    Cruise control switch actuation-Hardware signal main switch: No
                    Cruise control switch actuation-Operating lever: Implausible coding: No
                    Cruise control switch actuation-Limiter button pressed: No
                    Cruise control switch actuation-Main switch off via CAN: No
                    Cruise control switch actuation-variance adapted successfully: No

Readiness: N/A

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: Redir Fail!
   Part No SW: 2N0 907 379 E    HW: 2N0 907 379 C
   Component: ESC_base      H02 0870
   Serial number: 08507217210224
   Coding: 25A824774841B68BA44D2469124C6D063BF144B8
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_Brake1ESP90iBOSCHVN54X 704031
   ROD: EV_Brake1ESP90iBOSCHVN54X_704.rod
   VCID: 3822426232D96B1B773-806C

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:* None
   Part No SW: 7C0 907 426 AJ    HW: 7C0 907 426 AJ
   Component: AC Manuell    H02 0602
   Coding: A03110000800000001000800500101000000000000000000000000000000
   Shop #: WSC 00000 000 00029
   ASAM Dataset: EV_AirCondiBHTCVN54XT6PA 001002
   ROD: EV_AirCondiBHTCVN54XT6PA.rod
   VCID: 71B4BF461123FA5370D-8024

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels: None
   Part No SW: 5Q0 937 084 DN    HW: 5Q0 937 084 DN
   Component: BCM MQBAB M   H42 0411
   Serial number: 01102105500345
   Coding: 000000000000000000000000000000000000000000000000000000000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_BCMMQB 021001
   ROD: EV_BCMBOSCH_021_VN54.rod
   VCID: 0740F19E0FA7D4E3CE9-8052

   Anti-theft alarm system sensor:
   Subsystem 1 - Part No SW: 5Q0 951 172 A    HW: 5Q0 951 172 B
   Component: Sensor, DWA  005 0403
   Serial number: 000000000ZL210509KK2

   Alarm horn:
   Subsystem 2 - Part No SW: 5Q0 951 605 B    HW: 5Q0 951 605 B
   Component: Sirene, DWA  004 0007
   Serial number: 00000000000001644165

   Steering Column Switch:
   Subsystem 3 - Part No SW: 5Q1 953 521 LD    HW: 5Q1 953 569 H
   Component: Lenks.Modul  H04 0190
   Serial number: 0100230220210C301455

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
   Part No SW: 5QA 919 294 J    HW: 5QA 919 294
   Component: PDC 8 Kanal   H08 0073
   Serial number: 000150058321055
   Coding: 8431151941
   Shop #: WSC 00000 000 00029
   ASAM Dataset: EV_EPHVA18AU3700000 009053
   ROD: EV_EPHVA18AU3700000.rod
   VCID: 53F815CE8B7FA843621-8006

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 2Q0-907-572.clb
   Part No SW: 2Q0 907 572 R    HW: 2Q0 907 572 B
   Component: ACCCONTIMQB   H03 0372
   Coding: 2A00400A40EF8448949C814D00308700100000000000000004
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_ACCMRRCONTIVW376 003016
   ROD: EV_ACCMRRCONTIVW376_003_VN54.rod
   VCID: 43D8258E7B1F38C3D21-8016

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 5QF 959 655 AG    HW: 5QF 959 655 AG
   Component: Airbag VW22   015 0753
   Revision: --------    Serial number: 003018LP3WLYT5
   Coding: 800080000080000040000000008C40000065
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_AirbaVW22TS6VW48X 001036
   ROD: EV_AirbaVW22TS6VW48X.rod
   VCID: 1B68BDEEA32F20037A1-804E

   Crash sensor for front airbag: driver side:
   Subsystem 1 - Part No SW: -----------    HW: 454 802 101 21
   Component: FrontSensor_D  305 0109
   Serial number: 3550091F74D1D000000X
   Coding: 2D2D2D

   Crash sensor for front airbag: front passenger side:
   Subsystem 2 - Part No SW: -----------    HW: 454 802 101 21
   Component: FrontSensor_P  305 0109
   Serial number: 356005BEB4D1D0000000
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:* None-SRI3
   Part No SW: 7C0 920 941 D    HW: 7C0 920 941 D
   Component: KOMBI         202 8500
   Coding: 27A511002480260001886F010400000800600000
   Shop #: WSC 00000 000 00029
   ASAM Dataset: EV_DashBoardVDDMQBAB 009071
   ROD: EV_DashBoardVDDMQBAB_VW27.rod
   VCID: 2700911EEF67F4E3EE9-8072

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 3Q0-907-530-V1.clb
   Part No SW: 3Q0 907 530 AG    HW: 3Q0 907 530 C
   Component: GW MQB High   442 4424
   Revision: --------    Serial number: 0001456330
   Coding: 030100384E05730000000000000E00010001070000000000000000000000
   Shop #: WSC 00000 000 00029
   ASAM Dataset: EV_GatewNF 013026
   ROD: EV_GatewNF_AU27.rod
   VCID: 74BAB6526E31CF7B9BB-8020

   Generator:
   Component: 4-00-05-00-04

   Multifunction steering wheel control module:
   Subsystem 2 - Part No SW: 5G0 959 442 AA    HW: 5G0 959 442 AA  Labels: 3C8-959-537.CLB
   Component: E221__MFL-MD9  H18 0052
   Serial number: 39210000110480111037
   Coding: 28FFFF

   Battery Monitoring Control Module:
   Subsystem 3 - Part No SW: 2N0 915 181 C    HW: 2N0 915 181 C
   Component: J367-BDMConti  H03 1051
   Serial number: 77669300002103040016

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:* None
   Part No SW: 5Q4 959 393 N    HW: 5Q4 959 393 N
   Component: TSG FS        008 0820
   Serial number: 0000436561902
   Coding: 00300B208001020100001000
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_DCU2DriveSideMAXHCONT 001005
   ROD: EV_DCU2DriveSideMAXHCONT_VW27.rod
   VCID: 4ECE04BAA05DC5AB4DF-801A

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 2N0-909-143.clb
   Part No SW: 2N0 909 143 H    HW: 2N0 909 143 C
   Component: EPS_MQB_ZFLS  701 7045
   Coding: 0107
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_SteerAssisMNB 002015
   ROD: EV_SteerAssisMNB.rod
   VCID: 3236704AD4A5814B497-8066

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:* None
   Part No SW: 5Q4 959 392 N    HW: 5Q4 959 392 N
   Component: TSG BFS       008 0820
   Serial number: 0000436169615
   Coding: 00300B208001020100001000
   Shop #: WSC 00000 000 00028
   ASAM Dataset: EV_DCU2PasseSideMAXHCONT 001005
   ROD: EV_DCU2PasseSideMAXHCONT_VW27.rod
   VCID: 4DCC03B6AD5BFEB3345-8018

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:* None
   Part No SW: 3G5 035 820 D    HW: 3G5 035 820
   Component: MU-O-ND-EU    H56 0782
   Serial number: WG8LGM260221000
   Coding: 65400008000000000000000000000000000000000000000000
   ASAM Dataset: EV_MUOIMQB 001002
   ROD: EV_MUOIMQB_VN54.rod
   VCID: 251C9B16956BE6F3DC5-8070

   Display and control head 1 for information electronics:
   Subsystem 1 - Part No SW: 5G6 919 605 B    HW: 5G6 919 605 B
   Component: ABT_Std-2_Nav  361 8214
   Serial number: VWZ6ZHY0533344   

   Data carrier:
   Subsystem 2 - Part No SW: V03 959 809 CP    HW: -----------
   Component: EU 2021        --- 4031
   Serial number: --------------------

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:* None
   Part No SW: 7C0 907 383     HW: 7C0 907 383
   Component: Anhaenger     H10 0057
   Serial number: 000000000005698
   Coding: 0100000202001300
   ASAM Dataset: EV_TrailFunctGener3Hella 001012
   ROD: EV_TrailFunctGener3Hella_VW53.rod
   VCID: 6882D22222F93B9B273-803C

No fault code found.

-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:* None
   Part No SW: 5WA 035 284 B    HW: 5WA 035 284 B
   Component: OCUGen3High   H20 0035
   Serial number: 0000000102VIWP7
   Coding: 06542000196898009005460160002607
   ASAM Dataset: EV_OCUGen3High 003005
   ROD: EV_OCUGen3High_003_VN46.rod
   VCID: 45DC3B96752B06F3FC5-8010

1 Fault Found:
1644017 - Online Services
          B1915 F1 [008] - Temporary Function Restriction due to Battery Budget
          [Functional restriction due to insufficient power budget]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 2
                    Reset counter: 35
                    Mileage: 12 km
                    Date: 2021.05.05
                    Time: 14:28:35

                    Voltage terminal 30: 12.6 V
                    Remaining long term energy budget: 2877 mAh
                    Remaining short term energy budget: 2 mAh
                    Wake up cycles counter: 61


-------------------------------------------------------------------------------
Address BB: Door Rear Drv
Cannot be reached

-------------------------------------------------------------------------------
Address BC: Door Rear Pass
Cannot be reached

End----------(Elapsed Time: 00:51, VBatt start/end: 12.0V/12.0V)-----------
 
Last edited by a moderator:
   #2  

Uwe

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So 10 - Park/Steer Assist is already coded for "Trailer hitch (manually removable)", which is probably correct.

TBH, I'm not sure what the correct way of dealing with that step would be. I don't see anything obvious.

-Uwe-
 
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