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Octavia trouble code U112100

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Can anyone shed any light on this for me? My parking sensors started showing a fault which I traced to a broken wire which had become teapoed between the bumper and bodywork, presumably down to me nudg8ng s9mething with my bumper.

Anyway I have repaired the wire and the sensors seem to be working although it doesn't seem to be the same as it was as I'm fairly sure I used to get a long Bern when I put the car in reverse although that could be my memory playing tricks on me.

I have cleared the fault codes with obdeleven but still getting this error

Databus missing message U112100

Does anyone have any ideas?

  • Author

Anyone?

Make Full Backup with OBD11 and Post txt File here

  • Author

I tried today but it failed for some reason. I'll try aga8n tomorrow

  • Author

I've finally managed to sort today if anyone is able to help?

history.txt

You've given us the config of your car, not the report/scan of the car. Can you get the scan rescanned and press the report button (top right hand) and send us that report pls.

  • Author

Sorry I'd just hit the backup option in OBD11 as @Cairus had asked for that. Will do a scan and post

  • Author

Just found one I did the other day

history.txt

  • Author

Anyone?

The reason why nobody is responding is that you keep on posting a HISTORY file which contains configuration data, no error codes. We cannot work with what you have presented. Get a proper scan done using ODBEleven or VCDS and then get back to us.

  • Author

apologies I thought I had posted the scan which was one previously done in OBD11. I've just emailed a fresh one to myself:

OBDeleven data log

Date: 2025-08-22 16:29

    VIN: TMBKG7NE0G0182570
    Car: Skoda Octavia
    Year: 2016
    Body type: Estate
    Engine: CXXB
    Mileage: 191441 KM

---------------------------------------------------------------
01 Engine

    System description: R4 1.6l TDI
    Software number: 04L906056CL
    Software version: 2506
    Hardware number: 04L907445B
    Hardware version: H06
    ODX name: EV_ECM16TDI03004L906056CL
    ODX version: 002006
    Long coding: 01114032432519090000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
03 Brakes

    System description: ESC
    Software number: 3Q0907379T
    Software version: 0393
    Hardware number: 3Q0907379C
    Hardware version: H32
    Serial number: 50046000000454
    ODX name: EV_Brake1UDSContiMK100ESP
    ODX version: 034033
    Long coding: 1C078A911428096E007C060741C3243851289000608224F20043F072C002

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
08 Air Conditioning

    System description: Climatronic
    Software number: 5E0907044Q
    Software version: 1002
    Hardware number: 5E0907044Q
    Hardware version: H04
    ODX name: EV_ACClimaBHBVW37X
    ODX version: 004131
    Long coding: 02110104002100011005000000101000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
09 Central Electrics

    System description: BCM PQ37BOSCH
    Software number: 5Q0937086AH
    Software version: 0162
    Hardware number: 5Q0937086AH
    Hardware version: 028
    Serial number: 86581201160533
    ODX name: EV_BodyContrModul1UDSBosc
    ODX version: 015002
    Long coding: 0F000842424700DB07A04082B10407280000000000000000000000000000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
15 Airbag

    System description: Airbag VW20
    Software number: 3Q0959655AS
    Software version: 0200
    Hardware number: 3Q0959655AS
    Hardware version: 013
    Serial number: 003SQP096UGE
    ODX name: EV_AirbaVW20TS6VW48X
    ODX version: 001116
    Long coding: 98CCC000000000005C5400CC008800000065

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
16 Steering Column

    System description: Lenks.Modul
    Software number: 5Q0953521M
    Software version: 0195
    Hardware number: 5Q0953569A
    Hardware version: 075
    Serial number: 20160121501056
    ODX name: EV_SMLSVALEOMQB
    ODX version: 001015
    Long coding: 1400

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
17 Dashboard

    System description: KOMBI
    Software number: 5E0920951B
    Software version: 6422
    Hardware number: 5E0920951B
    Hardware version: 324
    ODX name: EV_DashBoardVDDMQBAB
    ODX version: 009046
    Long coding: 27A50A002190A60001087A001000000000000000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
19 Gateway

    System description: GW MQB Mid
    Software number: 5Q0907530AH
    Software version: 1244
    Hardware number: 5Q0907530E
    Hardware version: 127
    Serial number: 0004414904
    ODX name: EV_GatewLear
    ODX version: 013020
    Long coding: 030100045F087300EB000248080F00010001050000000000000000000000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
42 Driver Door

    System description: TSG FS
    Software number: 5Q4959393E
    Software version: 0031
    Hardware number: 5Q4959393B
    Hardware version: 010
    Serial number: 0000181717955
    ODX name: EV_DCUDriveSideEWMAXCONT
    ODX version: 006001
    Long coding: 001000208001040000001100

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
44 Steering Assistance

    System description: EPS_MQB_ZFLS
    Software number: 5Q0909144S
    Software version: 1063
    Hardware number: 5Q0909144R
    Hardware version: 125
    ODX name: EV_SteerAssisMQB
    ODX version: 012140
    Long coding: 8303

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
52 Passenger Door

    System description: TSG BFS
    Software number: 5Q4959392E
    Software version: 0031
    Hardware number: 5Q4959392B
    Hardware version: 010
    Serial number: 0000183007435
    ODX name: EV_DCUPasseSideEWMAXCONT
    ODX version: 006001
    Long coding: 001000208001040000001100

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
5F Multimedia

    System description: MU-S-ND-ER
    Software number: 5Q0035874A
    Software version: 0253
    Hardware number: 5Q0035874A
    Hardware version: H24
    Serial number: SKZAZ2S8214276
    ODX name: EV_MUStd4CTSAT
    ODX version: 001022
    Long coding: 03730201FF00000011111201008800002F0200C601200100C6

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
76 Parking Assistance

    System description: PARKHILFE PLA
    Software number: 5Q0919298K
    Software version: 0054
    Hardware number: 5Q0919298
    Hardware version: H12
    Serial number: 39491533700623
    ODX name: EV_EPHVA2CAU3700000
    ODX version: 003021
    Long coding: 0131065041

    Trouble codes:
        No trouble codes found

  • Author

I've just seen there are no fault codes showing on there. I must have done it after clearing them so will do it again

  • Author

Hopefully this is the one

OBDeleven data log

Date: 2025-08-22 17:40

    VIN: TMBKG7NE0G0182570
    Car: Skoda Octavia
    Year: 2016
    Body type: Estate
    Engine: CXXB
    Mileage: 191441 KM

---------------------------------------------------------------
01 Engine

    System description: R4 1.6l TDI
    Software number: 04L906056CL
    Software version: 2506
    Hardware number: 04L907445B
    Hardware version: H06
    ODX name: EV_ECM16TDI03004L906056CL
    ODX version: 002006
    Long coding: 01114032432519090000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
03 Brakes

    System description: ESC
    Software number: 3Q0907379T
    Software version: 0393
    Hardware number: 3Q0907379C
    Hardware version: H32
    Serial number: 50046000000454
    ODX name: EV_Brake1UDSContiMK100ESP
    ODX version: 034033
    Long coding: 1C078A911428096E007C060741C3243851289000608224F20043F072C002

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
08 Air Conditioning

    System description: Climatronic
    Software number: 5E0907044Q
    Software version: 1002
    Hardware number: 5E0907044Q
    Hardware version: H04
    ODX name: EV_ACClimaBHBVW37X
    ODX version: 004131
    Long coding: 02110104002100011005000000101000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
09 Central Electrics

    System description: BCM PQ37BOSCH
    Software number: 5Q0937086AH
    Software version: 0162
    Hardware number: 5Q0937086AH
    Hardware version: 028
    Serial number: 86581201160533
    ODX name: EV_BodyContrModul1UDSBosc
    ODX version: 015002
    Long coding: 0F000842424700DB07A04082B10407280000000000000000000000000000

    Subsystems:
        System description: WWS371 151205
        Software version: 0570
        Hardware version: 041
        Serial number:         151217065725
        Long coding: 065DDD

        System description: Sensor, DWA 
        Software version: 0316
        Hardware version: 005
        Serial number: 000000000ZY152720D9J

        System description: Sirene, DWA 
        Software version: 0313
        Hardware version: 005
        Serial number: 00000000000089961862

        System description: G355_FeuchteS
        Software version: 0002
        Hardware version: H07
        Serial number: 71337893           

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
15 Airbag

    System description: Airbag VW20
    Software number: 3Q0959655AS
    Software version: 0200
    Hardware number: 3Q0959655AS
    Hardware version: 013
    Serial number: 003SQP096UGE
    ODX name: EV_AirbaVW20TS6VW48X
    ODX version: 001116
    Long coding: 98CCC000000000005C5400CC008800000065

    Subsystems:
        System description: SideSensor_Df
        Software version: 0887
        Hardware version: 008
        Serial number: 3576U00000066BF8A81U
        Long coding: 2D2D2D

        System description: SideSensor_Pf
        Software version: 0887
        Hardware version: 008
        Serial number: 3586U00000095CF8A81Y
        Long coding: 2D2D2D

        System description: SideSensor_Dr
        Software version: 0148
        Hardware version: 301
        Serial number: 3516RCBE17709000000H
        Long coding: 2D2D2D

        System description: SideSensor_Pr
        Software version: 0148
        Hardware version: 301
        Serial number: 3526R8F5AC409000000K
        Long coding: 2D2D2D

        System description: FrontSensor_D
        Software version: 0149
        Hardware version: 304
        Serial number: 3556VD6683509000000E
        Long coding: 2D2D2D

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
16 Steering Column

    System description: Lenks.Modul
    Software number: 5Q0953521M
    Software version: 0195
    Hardware number: 5Q0953569A
    Hardware version: 075
    Serial number: 20160121501056
    ODX name: EV_SMLSVALEOMQB
    ODX version: 001015
    Long coding: 1400

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
17 Dashboard

    System description: KOMBI
    Software number: 5E0920951B
    Software version: 6422
    Hardware number: 5E0920951B
    Hardware version: 324
    ODX name: EV_DashBoardVDDMQBAB
    ODX version: 009046
    Long coding: 27A50A002190A60001087A001000000000000000

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
19 Gateway

    System description: GW MQB Mid
    Software number: 5Q0907530AH
    Software version: 1244
    Hardware number: 5Q0907530E
    Hardware version: 127
    Serial number: 0004414904
    ODX name: EV_GatewLear
    ODX version: 013020
    Long coding: 030100045F087300EB000248080F00010001050000000000000000000000

    Subsystems:
        System description: J367-BDMConti
        Software version: 1011
        Hardware version: H02
        Serial number: 74185704001601170426

        System description: E221__MFL-PR6
        Software version: 0150
        Hardware version: H02
        Serial number: 000000000D2173110116

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
42 Driver Door

    System description: TSG FS
    Software number: 5Q4959393E
    Software version: 0031
    Hardware number: 5Q4959393B
    Hardware version: 010
    Serial number: 0000181717955
    ODX name: EV_DCUDriveSideEWMAXCONT
    ODX version: 006001
    Long coding: 001000208001040000001100

    Subsystems:
        System description: FOND_FHSG_DRV
        Software version: 0005
        Hardware version: 005
        Serial number: 00000000000008460850
        Long coding: 1D0200

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
44 Steering Assistance

    System description: EPS_MQB_ZFLS
    Software number: 5Q0909144S
    Software version: 1063
    Hardware number: 5Q0909144R
    Hardware version: 125
    ODX name: EV_SteerAssisMQB
    ODX version: 012140
    Long coding: 8303

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
52 Passenger Door

    System description: TSG BFS
    Software number: 5Q4959392E
    Software version: 0031
    Hardware number: 5Q4959392B
    Hardware version: 010
    Serial number: 0000183007435
    ODX name: EV_DCUPasseSideEWMAXCONT
    ODX version: 006001
    Long coding: 001000208001040000001100

    Subsystems:
        System description: FOND_FHSG_PSG
        Software version: 0005
        Hardware version: 005
        Serial number: 00000000000008614555
        Long coding: 050200

    Trouble codes:
        No trouble codes found

---------------------------------------------------------------
5F Multimedia

    System description: MU-S-ND-ER
    Software number: 5Q0035874A
    Software version: 0253
    Hardware number: 5Q0035874A
    Hardware version: H24
    Serial number: SKZAZ2S8214276
    ODX name: EV_MUStd4CTSAT
    ODX version: 001022
    Long coding: 03730201FF00000011111201008800002F0200C601200100C6

    Subsystems:
        System description: ABT_Std-2_Nav
        Software version: 1031
        Hardware version: H41
        Serial number: SKZ8Z9SBT01K14     

        System description: ECE1 2024/25
        Software version: 2210
        Hardware version: ---
        Serial number: --------------------

    Trouble codes:
        B201A00 - Checking software version management
            static
                Date: 2025-08-22 16:29:41
                Mileage: 191441 km
                Priority: 6
                Malfunction frequency counter: 1
                Unlearning counter: 110
                Dynamic environmental data: 02867710024455572D304100


---------------------------------------------------------------
76 Parking Assistance

    System description: PARKHILFE PLA
    Software number: 5Q0919298K
    Software version: 0054
    Hardware number: 5Q0919298
    Hardware version: H12
    Serial number: 39491533700623
    ODX name: EV_EPHVA2CAU3700000
    ODX version: 003021
    Long coding: 0131065041

    Trouble codes:
        U112100 - Databus missing message
            Intermittent
                Date: 2025-08-22 16:29:39
                Mileage: 191441 km
                Priority: 6
                Malfunction frequency counter: 1
                Unlearning counter: 110

Via OBD11, go to the 5F and select "Adjustments," confirm the installation change, and read the value.

The numerical value is calculated using the XOR calculator.

http://xor.pw/#

The read value is entered in input I.

Input II. C9D2 is entered.

Press XOR.

The attached image is an example.

Then enter the result in the field where the old value is. Adjustments, confirm the installation change, and then save.

The error has now disappeared.

  • Author

Thanks I'll have a go. I can't see anything attached image though?

  • Author

@Cairus thanks for your help, that has sorted the 5f issue. Any ideas on the parking assist one

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