2014 VW Jetta SE 1.8t - ECU Adaptations - Options greyed out in VCDS

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VW_Jockey

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Hello everyone,

Thank you in advanced for reading this post and any insight is helpful! I'm running into some issues trying to replace ECM in my 2014 VW Jetta SE.

Quick background - I recently purchased the car and have been combing through recalls and typical vehicle maintenance to refresh it and get it running healthy again.

Question: I'm attempting to swap the ECM with a direct replacement (identical p/n and SIMOS 12.2). When i swap the ECM, the car attempts to start but stalls and displays "IMMOBiLIZER" on the column display as expected. I'm fairly new to VCDS and VAGcom, but I understand that there is probably multiple adaptations and processes involved with installing a replacement ECM. I attempted to follow a wiki article here: http://wiki.ross-tech.com/wiki/index.php/Immobilizer_IV_ECU_Swapping. However, when I select [01-Engine] the [Meas. Blocks - 08] is greyed out and i'm unable to continue the instructions. So, I stopped the swap and reinstalled the old ECM to get the car to start again. I'm attempting to replace the ECM as i'm unsure if there was any changes to it as it was a used vehicle. So, i'm hoping to swap a default replacement ECM into the car.

From what I understand, I have to install the ECM, adapt the CAN gateway, and then perform key adaptations for the ECM to recognize the key fobs and turn off the immobilizer. This car doesn't have a physical ignition key hole, but instead, sensors and a start/stop engine button. Any insight on the process would be greatly appreciated. The car current runs and starts with the old ECM, but i'm getting ERROR that the CAN BUS is coded incorrectly - please see scan details. If i switch to the new ECM, the car doesn't start.

Thanks!! So far VCDS and the Hex V2 have been awesome for diagnosing!:thumbs:


VCDS SCAN OF THE OLD RUNNING ECU - NOTE

01044 - Control Module Incorrectly Coded shows up with the OLD ECM connected as well as the new replacement ECM.

Code:
Sunday,03,November,2024,19:55:17:64521
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 24.7.1.0 (x64)  HEX-V2 CB: 0.4643.5
Data version: 20240919 DS356.3
www.Ross-Tech.com


VIN: 3VWB17AJ1EM421037   License Plate:
Mileage: 328190km-203927mi   Repair Order:



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


Chassis Type: AJ-VW36 (6N0)
Scan: 01 03 05 08 09 15 17 19 25 2B 2E 44 56 75 77

VIN: 3VWB17AJ1EM421037   Mileage: 328190km-203927miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: Not registered 0011
2B-Steer. Col. Lock -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
56-Radio -- Status: Malfunction 0010
75-Telematics -- Status: Not registered 0001
77-Telephone -- Status: Not registered 0001
-------------------------------------------------------------------------------
Address 01: Engine (J623-CPRA)       Labels:. 06K-907-425-V2.clb
   Part No SW: 06K 906 070 F    HW: 06K 907 425
   Component: R4 1.8l TFS   H09 9360 
   Revision: --H09---    Serial number: 00000000000000 CVN: E96FF6B6
   Coding: 00110012242400171000
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_ECM18TFS02006K906070F 001014
   ROD: EV_ECM18TFS02006K906070F.rod
   VCID: 2D00D1642D9EFEF2C4D-8078
   VINID: 0E69D204745A0557440810031CD84C6C42

4 Faults Found:
14963 - Fan 1 Control Circuit
          P0691 00 [00101000] - Short to GND
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 5
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 21:43:36

                    Engine RPM: 1920.25 /min
                    Normed load value: 14.5 %
                    Vehicle speed: 255 km/h
                    Coolant temperature: 85 ∞C
                    Intake air temperature: 31 ∞C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.199 V
                    Unlearning counter according OBD: 39
                    Engine: operating status: PL
                    STATE_LS_SAE[1]: CL
                    T_AST_SAE: 694 s
                    MAP_MES_SAE: 29 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 1.865 V
                    FAC_TPS_1_SAE: 13.671875 %
                    FUP_H_SAE: 5620.0 kPa

16481 - Vehicle Speed Sensor
          P0501 00 [01101101] - Implausible Signal
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 8
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 03:14:54

                    Engine RPM: 2148.50 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 255 km/h
                    Coolant temperature: 85 ∞C
                    Intake air temperature: 34 ∞C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.023 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: PUC
                    STATE_LS_SAE[1]: OL_INTR
                    T_AST_SAE: 740 s
                    MAP_MES_SAE: 25 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 2.642 V
                    FAC_TPS_1_SAE: 13.281250 %
                    FUP_H_SAE: 18010.0 kPa

16491 - Implausible Data Received from ABS Control Module
          U0415 00 [00101100] - -
          [Invalid Data Received FromAnti-Lock Brake System Control Module]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 12
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 03:04:33

                    Engine RPM: 1990.50 /min
                    Normed load value: 32.2 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 58 ∞C
                    Intake air temperature: 32 ∞C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.179 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: PL
                    STATE_LS_SAE[1]: CL
                    T_AST_SAE: 119 s
                    MAP_MES_SAE: 68 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 1.982 V
                    FAC_TPS_1_SAE: 19.531250 %
                    FUP_H_SAE: 19840.0 kPa

14971 - Fan Control Module 1
          P2D89 00 [01101101] - Supply Voltage Malfunction
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 21:44:58

                    Engine RPM: 2219.75 /min
                    Normed load value: 40.0 %
                    Vehicle speed: 255 km/h
                    Coolant temperature: 85 ∞C
                    Intake air temperature: 31 ∞C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.121 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: PL
                    STATE_LS_SAE[1]: CL
                    T_AST_SAE: 776 s
                    MAP_MES_SAE: 81 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 1.982 V
                    FAC_TPS_1_SAE: 23.046875 %
                    FUP_H_SAE: 19870.0 kPa

Readiness: 0010 0101

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 BS    HW: 1K0 907 379 BS
   Component: ESP MK60EC1   H46 0166 
   Revision: 00H46001   
   Coding: A14B400C492400FB850B02E792200041A1100012
   Shop #: WSC 48613 001 1048576
   VCID: 045654C0DE14DFBA7B3-8050

5 Faults Found:
01314 - Engine Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 2
                    Fault Frequency: 11
                    Reset counter: 227
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:35

             Freeze Frame:
                    Count: 7
                    Count: 0
                    Count: 4608
                    Count: 8196
                    Count: 49664
                    Count: 1
                    Count: 4
                    Count: 0

00285 - ABS Wheel Speed Sensor; Front Right (G45)
            003 - Mechanical Failure - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 1
                    Fault Frequency: 10
                    Reset counter: 227
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:34

             Freeze Frame:
                    Count: 3
                    Count: 0
                    Count: 4608
                    Count: 53
                    Count: 49438
                    Count: 1
                    Count: 5
                    Count: 0

00283 - ABS Wheel Speed Sensor; Front Left  (G47)
            003 - Mechanical Failure - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 1
                    Fault Frequency: 10
                    Reset counter: 227
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:28

             Freeze Frame:
                    Count: 16384
                    Count: 0
                    Count: 12800
                    Count: 37
                    Count: 49677
                    Count: 2
                    Count: 249
                    Count: 2304

02214 - Tire Pressure Warning
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 223
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:21:32

             Freeze Frame:
                    Count: 3
                    Count: 2
                    Count: 29184
                    Count: 16401
                    Count: 49408
                    Count: 0
                    Count: 510
                    Count: 0

01325 - Control Module for Tire Pressure Monitoring (J502)
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 5
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:21:41

             Freeze Frame:
                    Count: 0
                    Count: 2
                    Count: 29184
                    Count: 16390
                    Count: 49664
                    Count: 0
                    Count: 510
                    Count: 0


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5K0-959-434.clb
   Part No SW: 5K0 959 434 B    HW: 5K0 959 434
   Component: VWKESSYPQ35GP 086 1101 
   Revision: 00086000    Serial number: 0321602102 Dataset Number: 160116v____ 0002
   Coding: 030C0C
   Shop #: WSC 00066 790 00221
   ASAM Dataset: EV_KESSYPQ35G A02013
   ROD: EV_KESSYPQ35G_A02_VW32.rod
   VCID: 3436C400CEB4AF3A8B3-8060

2 Faults Found:
1053195 - Touch Sensor on Exterior Door Grip; Passenger Side
          B116C 13 [00001001] - Open Circuit
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 4
                    Fault Frequency: 23
                    Reset counter: 228
                    Mileage: 328189 km
                    Date: 2024.10.31.
                    Time: 23:36:46

1057291 - Antenna for Keyless Entry System; Passenger Side
          B1170 13 [00001001] - Open Circuit
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 4
                    Fault Frequency: 1
                    Reset counter: 224
                    Mileage: 328189 km
                    Date: 2024.10.31.
                    Time: 23:39:03


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 5C0-820-047.clb
   Part No SW: 5C0 820 047 BN    HW: 5C0 820 047 BN
   Component: J301  Klimaanlage   0204 
   Revision: 2001001S    Serial number: 00000002027536
   Shop #: WSC 33819 000 1048576
   VCID: 6D801164E19E3EF284D-8038

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 6R0-937-08x-09.clb
   Part No SW: 5C0 937 087 J    HW: 5C0 937 087 A
   Component: BCM25 JLB H3  H34 0411 
   Revision: B2034001    Serial number: 08013046140826
   Coding: 7B994B9A08AB0B0008382000240884C500C2502E6000400030A050002000
   Shop #: WSC 00066 123 12345
   VCID: 3436C400CE34AF3A8B3-8060

   Subsystem 1 - Part No SW: 6R0 959 801 AN    HW: 6R0 959 801 AN  Labels: 6R0-959-801.CLB
   Component: J386__TSG_FT  006 5461
   Serial number: 14102585140204190509
   Coding: 820000

   Subsystem 2 - Part No SW: 6R0 959 802 AS    HW: 6R0 959 802 AS  Labels: 6R0-959-802.CLB
   Component: J387__TSG_BT  006 5461
   Serial number: 14102584140124215620
   Coding: 820000

   Subsystem 3 - Part No SW: 5K0 959 591     HW: 5K0 959 591
   Component: J245 PS41.022  H10 0007
   Serial number:     WRH000AUO8%    
   Coding: 180000

   Subsystem 4 - Part No SW: 5K0 959 542 C    HW: 5K0 959 542 C
   Component: E221__MFL-TAS  H31 0037
   Serial number: 0406891 FLE 20140104
   Coding: 020000

   Subsystem 5 - Part No SW: 6R0 959 811 M    HW: 6R0 959 811 M
   Component: J388__TSG_HL  006 5460
   Serial number: 14102587140130153239
   Coding: 800000

   Subsystem 6 - Part No SW: 6R0 959 812 M    HW: 6R0 959 812 M
   Component: J389__TSG_HR  006 5460
   Serial number: 14102586140131112556
   Coding: 800000

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 5C0 959 655 AD    HW: 5C0 959 655 AD
   Component: AirbagVW10    102 0912 
   Serial number: 003MVD03B9FL   Dataset Number: 160003v____ 0219
   Coding: 00004138
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_AirbaVW10SMEVW360 001026
   ROD: EV_AirbaVW10SMEVW360.rod
   VCID: 74B604008E34EF3A4B3-8020

   Seat occupied recognition:
   Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
   Component: BF-Gewichtss.  H10 0046
   Serial number: 6940000Y1400011VUE06
   Coding: 303036

   Crash sensor for side airbag: driver side:
   Subsystem 2 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Fahr.V  H02 ----
   Serial number: 3572MSME5326667FZZZ0

   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 3 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Beif.V  H02 ----
   Serial number: 3582MSME08591A41ZZZW

   Rear Side Airbag Crash Sensor (on driver's side):
   Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.H  H02 ----
   Serial number: 3516KSME53156F2AZZZ-

   Passenger side rear thorax airbag crash sensor:
   Subsystem 5 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.H  H02 ----
   Serial number: 3526KSME213A6F2AZZZ$

   Crash sensor for front airbag: driver side:
   Subsystem 6 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Fahr  H02 ----
   Serial number: 3556LSME5402582AZZZU

   Crash sensor for front airbag: front passenger side:
   Subsystem 7 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Beif  H02 ----
   Serial number: 3566LSME1E0E4F2AZZZC

1 Fault Found:
9483008 - Seat Occupied Recognition
          B10B3 00 [10001001] - Function Restriction due to Implausible Message(s)
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 27
                    Reset counter: 13
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 03:04:44


-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 5C6 920 953 B    HW: 5C6 920 953 B
   Component: KOMBI         H04 0809 
   Serial number: 00000000000000
   Coding: 270A01
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
   VCID: 2C06DC601684F7FAD33-8078

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 6N0-909-901-6R.clb
   Part No SW: 6N0 909 901     HW: 5C0 937 087 A
   Component: GW-K-CAN TP20 H34 0411 
   Revision: B2034001   
   Coding: 102200
   Shop #: WSC 00066 123 12345
   VCID: 70BE0810FAACD31AAFB-8024

1 Fault Found:
01044 - Control Module Incorrectly Coded
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 328191 km
                    Time Indication: 0
                    Date: 2019.03.26.
                    Time: 00:04:49


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H04 0809 
   Serial number:              
   Coding: 000007
   Shop #: WSC 00066 000 00122
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW23.rod
   VCID: 6A8A1A78DCF029CAE1F-803E

1 Fault Found:
9456128 - Engine Control Module (ECM) not authorized
          B104A 00 [00001000] - -
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 1
                    Fault Frequency: 5
                    Mileage: 328191 km
                    Date: 2024.11.02.
                    Time: 00:00:32


-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764)       Labels:* 5K0-905-861.clb
   Part No SW: 5K0 905 861 C    HW: 5K0 905 861 C
   Component: ELV-PQ35      H21 0240 
   Revision: 00000000    Serial number: 14000002123002
   Coding: 4100000000000000
   Shop #: WSC 00066 790 50316
   ASAM Dataset: EV_ELVMarquMPVW36X A01001
   ROD: EV_ELVMarquMPVW36X_VW32.rod
   VCID: 303EC8103AAC931AEFB-8064

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 R
   Component: EPS_ZFLS Kl. 69     3501 
   Revision: 00H22000   
   Shop #: WSC 02069 000 90108
   VCID: 3928F534E5565252585-806C

1 Fault Found:
01316 - ABS Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 3
                    Fault Frequency: 12
                    Reset counter: 13
                    Mileage: 328191 km
                    Time Indication: 0
                    Date: 2019.03.27.
                    Time: 06:58:36

             Freeze Frame:
                    Voltage: 14.38 V
                        DU
                    Temperature: 15.0∞C
                    RPM: 1971 /min
                    Speed: 18.0 km/h
                    Speed: 18.0 km/h
                    Count: 0


-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 1K0 035 180 AF    HW: 1K0 035 180 AF
   Component: Radio Prem-8  H07 0008 
   Revision: -----11S    Serial number: VWZ4Z7P3535613
   Coding: 01000400020006
   Shop #: WSC 00066 000 00000
   VCID: 649674403E547FBADB3-8030

1 Fault Found:
02788 - Internal Communications Error
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 20
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:22:50


-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:| 12E-035-284.clb
   Part No SW: 561 035 285     HW: 561 035 285
   Component: OCULowUSA     014 0102 
   Serial number: 000003554140514 Dataset Number: V03935196FH 0010
   Coding: 02630102C2163A107F1606000000
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_OCULow 001010
   ROD: EV_OCULow_001.rod
   VCID: 53F4A79C6B7A8802B29-8006

1 Fault Found:
2103041 - Control Module
          B1788 F0 [00001001] - Start Prohibition Deactivated
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 8
                    Fault Frequency: 1
                    Reset counter: 228
                    Mileage: 328191 km
                    Date: 2024.11.03.
                    Time: 08:33:46


-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 5N0-035-729.clb
   Part No SW: 5N0 035 729 A    HW: 5N0 035 729 A
   Component: TELEFON       H05 0592 
   Revision: 1B001001    Serial number: 00007665768701 Dataset Number: 5N0035729A  0001
   Coding: 0A10030080010110
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_UHVUMI 001007
   ROD: EV_UHVUMI.rod
   VCID: 2E02D668209885EAFD7-807A

No fault code found.

End----------(Elapsed Time: 01:41, VBatt start/end: 14.3V/14.3V)-----------
 
Last edited by a moderator:
   #2  

Uwe

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I'm attempting to swap the ECM with a direct replacement (identical p/n and SIMOS 12.2).
You can't do that on a 2014 car with VCDS.

when I select [01-Engine] the [Meas. Blocks - 08] is greyed out
Your ECU uses the UDS protocol. See:

-Uwe-
 
   #3  

VW_Jockey

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You can't do that on a 2014 car with VCDS.


Your ECU uses the UDS protocol. See:

-Uwe-
Thank you for the fast response!

Okay, I was wondering about that, so anything using the UDS protocol needs to be coded at a VW dealer? Would I be able to code things such as a replacement ABS module? or is the newer protocol still entirely proprietary/VW managed? With that being said, does this mean anything changed/replaced needs to be taken to the dealer and that VCDS can really only be used as diagnostics and session logging, not coding at all for this year?
 
   #4  

Uwe

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so anything using the UDS protocol needs to be coded at a VW dealer?
No, I didn't say that. I said you can't swap ECUs in your car. That's because they're tied to the immobilizer system and Immo 4c uses a challenge/response mechanism rather than a simple PIN code. I pointed out that it uses UDS because you observed that Measuring Blocks was grayed out. I assume you've read the post at the link I provided?

Would I be able to code things such as a replacement ABS module?
Yes.

-Uwe-
 
   #5  

VW_Jockey

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No, I didn't say that. I said you can't swap ECUs in your car. That's because they're tied to the immobilizer system and Immo 4c uses a challenge/response mechanism rather than a simple PIN code. I pointed out that it uses UDS because you observed that Measuring Blocks was grayed out. I assume you've read the post at the link I provided?


Yes.

-Uwe-
Thank you for your time!! Okay, I think I understand - the newer gen models (2009 NAR-ish onward) using UDS have ECMs bound to the immobilizers and require additional authorization to change. To replace something like an ABS module one has to document the existing long code and then write that same long code to the new ABS module, correct?

Any insight on the CAN GATEWAY error? I'm unsure why it's throwing 01044 - Control module incorrectly coded. I may have accidentally wrote a code to that module cuasing the error, but i'm unsure if it was an accidental write on my part or if it's just a new issue arising. The car is running/driving, but the ABS christmas tree is lit up. I've replaced ABS sensors, etc.


Address 19: CAN Gateway (J533) Labels:. 6N0-909-901-6R.clb
Part No SW: 6N0 909 901 HW: 5C0 937 087 A
Component: GW-K-CAN TP20 H34 0411
Revision: B2034001
Coding: 102200
Shop #: WSC 00066 123 12345
VCID: 70BE0810FAACD31AAFB-8024

1 Fault Found:
01044 - Control Module Incorrectly Coded
 
   #6  

Uwe

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the newer gen models (2009 NAR-ish onward) using UDS have ECMs bound to the immobilizers and require additional authorization to change.
No, there's no correlation between UDS and Immo generation. The Immo 4c challenge/response stuff pre-dates UDS.

To replace something like an ABS module one has to document the existing long code and then write that same long code to the new ABS module, correct?
Assuming you replace it with an ABS module that has the same length coding, yes.

However, MK60EC1 ABS modules had different variants with 18, 19, and 20 byte long codings. If you replace it with one of a different length, then it can get a bit more complicated than just copying and pasting the old coding.

Any insight on the CAN GATEWAY error? I'm unsure why it's throwing 01044 - Control module incorrectly coded.
You have several modules showing "Not Registered". Fix that:

[Select]
[19-CAN Gateway]
[Installation List]
- Put a check-mark next to each module that shows "Not Registered" at the top of your scan.
[Write Coding]

-Uwe-
 
   #7  

VW_Jockey

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No, there's no correlation between UDS and Immo generation. The Immo 4c challenge/response stuff pre-dates UDS.


Assuming you replace it with an ABS module that has the same length coding, yes.

However, MK60EC1 ABS modules had different variants with 18, 19, and 20 byte long codings. If you replace it with one of a different length, then it can get a bit more complicated than just copying and pasting the old coding.


You have several modules showing "Not Registered". Fix that:

[Select]
[19-CAN Gateway]
[Installation List]
- Put a check-mark next to each module that shows "Not Registered" at the top of your scan.
[Write Coding]

-Uwe-
Okay, thanks again for your insight an knowledge on this platform! I owe ya one if you're ever in central PA! I did read the article you posted regarding UDS, I've followed your instructions of ensuring all features are checked in the installation list.

Results of the recent troubleshooting sessions:

Putting aside the ECM swap as i'm realizing that's outside my knowledge base at the moment, i'm having trouble identifying exactly what is wrong with my ABS module. (The reason I started diagnosing to begin with). I've replaced all ABS sensors front/back, clear the DTCs and go for a drive. Everything works for a few minutes while driving, speedo and the ABS, CEL, TCS, ane EPC lights are off everything seems good, the speedo is working. After a few moments into the drive, speedo shuts off and the Christmas tree comes back (ABS,TCS,EPC,PARK). Car runs and drives just fine, but I believe it to actually be the ABS module/pump and I'm thinking of replacing that next. Any insights on replacement of the ABS module on this car? Any tricks to ensure getting the right part that will work? I'm second-guessing this car as a project due to the unnecessary complexity around regulating parts.

Recent Full Scan after clearing codes/Driving:
Code:
Monday,04,November,2024,11:40:00:64521
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 24.7.1.0 (x64)  HEX-V2 CB: 0.4643.5
Data version: 20240919 DS356.3
www.Ross-Tech.com


VIN: 3VWB17AJ1EM421037   License Plate:
Mileage: 328190km-203927mi   Repair Order:



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


Chassis Type: AJ-VW36 (6N0)
Scan: 01 03 05 08 09 15 17 19 25 2B 2E 44 56 75 77

VIN: 3VWB17AJ1EM421037   Mileage: 328190km-203927miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: Malfunction 0010
2B-Steer. Col. Lock -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
56-Radio -- Status: Malfunction 0010
75-Telematics -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CPRA)       Labels:. 06K-907-425-V2.clb
   Part No SW: 06K 906 070 F    HW: 06K 907 425
   Component: R4 1.8l TFS   H09 9360 
   Revision: --H09---    Serial number: 00000000000000 CVN: E96FF6B6
   Coding: 00110012242400171000
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_ECM18TFS02006K906070F 001014
   ROD: EV_ECM18TFS02006K906070F.rod
   VCID: 2D00D1642D9EFEF2C4D-8078
   VINID: 0E69D204745A0557440810031CD84C6C42

1 Fault Found:
16491 - Implausible Data Received from ABS Control Module
          U0415 00 [10100111] - -
          [Invalid Data Received FromAnti-Lock Brake System Control Module]
          MIL ON - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 328191 km
                    Date: 2024.11.04.
                    Time: 00:10:24

                    Engine RPM: 2170.50 /min
                    Normed load value: 10.2 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 78 ∞C
                    Intake air temperature: 29 ∞C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 14.238 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: PL
                    STATE_LS_SAE[1]: CL
                    T_AST_SAE: 248 s
                    MAP_MES_SAE: 24 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 1.953 V
                    FAC_TPS_1_SAE: 13.281250 %
                    FUP_H_SAE: 7290.0 kPa

Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 BS    HW: 1K0 907 379 BS
   Component: ESP MK60EC1   H46 0166 
   Revision: 00H46001   
   Coding: A14B400C492400FB850B02E792200041A1100012
   Shop #: WSC 48613 001 1048576
   VCID: 045654C0DE14DFBA7B3-8050

5 Faults Found:
01325 - Control Module for Tire Pressure Monitoring (J502)
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 5
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:21:41

             Freeze Frame:
                    Count: 0
                    Count: 2
                    Count: 29184
                    Count: 16390
                    Count: 49664
                    Count: 0
                    Count: 510
                    Count: 0

02214 - Tire Pressure Warning
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 223
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:21:32

             Freeze Frame:
                    Count: 3
                    Count: 2
                    Count: 29184
                    Count: 16401
                    Count: 49408
                    Count: 0
                    Count: 510
                    Count: 0

01314 - Engine Control Module
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 01101101
                    Fault Priority: 2
                    Fault Frequency: 12
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:35

             Freeze Frame:
                    Count: 7
                    Count: 0
                    Count: 4608
                    Count: 8196
                    Count: 49664
                    Count: 1
                    Count: 4
                    Count: 0

00285 - ABS Wheel Speed Sensor; Front Right (G45)
            003 - Mechanical Failure
             Freeze Frame:
                    Fault Status: 01100011
                    Fault Priority: 1
                    Fault Frequency: 11
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:34

             Freeze Frame:
                    Count: 3
                    Count: 0
                    Count: 4608
                    Count: 53
                    Count: 49438
                    Count: 1
                    Count: 5
                    Count: 0

00283 - ABS Wheel Speed Sensor; Front Left  (G47)
            003 - Mechanical Failure
             Freeze Frame:
                    Fault Status: 01100011
                    Fault Priority: 1
                    Fault Frequency: 11
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.25.
                    Time: 03:04:28

             Freeze Frame:
                    Count: 16384
                    Count: 0
                    Count: 12800
                    Count: 37
                    Count: 49677
                    Count: 2
                    Count: 249
                    Count: 2304


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5K0-959-434.clb
   Part No SW: 5K0 959 434 B    HW: 5K0 959 434
   Component: VWKESSYPQ35GP 086 1101 
   Revision: 00086000    Serial number: 0321602102 Dataset Number: 160116v____ 0002
   Coding: 030C0C
   Shop #: WSC 00066 790 00221
   ASAM Dataset: EV_KESSYPQ35G A02013
   ROD: EV_KESSYPQ35G_A02_VW32.rod
   VCID: 3436C400CEB4AF3A8B3-8060

2 Faults Found:
1053195 - Touch Sensor on Exterior Door Grip; Passenger Side
          B116C 13 [00001001] - Open Circuit
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 4
                    Fault Frequency: 27
                    Reset counter: 228
                    Mileage: 328189 km
                    Date: 2024.10.31.
                    Time: 23:36:46

1057291 - Antenna for Keyless Entry System; Passenger Side
          B1170 13 [00001001] - Open Circuit
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 4
                    Fault Frequency: 1
                    Reset counter: 224
                    Mileage: 328189 km
                    Date: 2024.10.31.
                    Time: 23:39:03


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 5C0-820-047.clb
   Part No SW: 5C0 820 047 BN    HW: 5C0 820 047 BN
   Component: J301  Klimaanlage   0204 
   Revision: 2001001S    Serial number: 00000002027536
   Shop #: WSC 33819 000 1048576
   VCID: 6D801164E19E3EF284D-8038

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 6R0-937-08x-09.clb
   Part No SW: 5C0 937 087 J    HW: 5C0 937 087 A
   Component: BCM25 JLB H3  H34 0411 
   Revision: B2034001    Serial number: 08013046140826
   Coding: 7B994B9A08AB0B0008382000240884C500C2502E6000400030A050002000
   Shop #: WSC 00066 123 12345
   VCID: 3436C400CE34AF3A8B3-8060

   Subsystem 1 - Part No SW: 6R0 959 801 AN    HW: 6R0 959 801 AN  Labels: 6R0-959-801.CLB
   Component: J386__TSG_FT  006 5461
   Serial number: 14102585140204190509
   Coding: 820000

   Subsystem 2 - Part No SW: 6R0 959 802 AS    HW: 6R0 959 802 AS  Labels: 6R0-959-802.CLB
   Component: J387__TSG_BT  006 5461
   Serial number: 14102584140124215620
   Coding: 820000

   Subsystem 3 - Part No SW: 5K0 959 591     HW: 5K0 959 591
   Component: J245 PS41.022  H10 0007
   Serial number:     WRH000AUO8%    
   Coding: 180000

   Subsystem 4 - Part No SW: 5K0 959 542 C    HW: 5K0 959 542 C
   Component: E221__MFL-TAS  H31 0037
   Serial number: 0406891 FLE 20140104
   Coding: 020000

   Subsystem 5 - Part No SW: 6R0 959 811 M    HW: 6R0 959 811 M
   Component: J388__TSG_HL  006 5460
   Serial number: 14102587140130153239
   Coding: 800000

   Subsystem 6 - Part No SW: 6R0 959 812 M    HW: 6R0 959 812 M
   Component: J389__TSG_HR  006 5460
   Serial number: 14102586140131112556
   Coding: 800000

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 5C0 959 655 AD    HW: 5C0 959 655 AD
   Component: AirbagVW10    102 0912 
   Serial number: 003MVD03B9FL   Dataset Number: 160003v____ 0219
   Coding: 00004138
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_AirbaVW10SMEVW360 001026
   ROD: EV_AirbaVW10SMEVW360.rod
   VCID: 74B604008E34EF3A4B3-8020

   Seat occupied recognition:
   Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
   Component: BF-Gewichtss.  H10 0046
   Serial number: 6940000Y1400011VUE06
   Coding: 303036

   Crash sensor for side airbag: driver side:
   Subsystem 2 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Fahr.V  H02 ----
   Serial number: 3572MSME5326667FZZZ0

   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 3 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Beif.V  H02 ----
   Serial number: 3582MSME08591A41ZZZW

   Rear Side Airbag Crash Sensor (on driver's side):
   Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.H  H02 ----
   Serial number: 3516KSME53156F2AZZZ-

   Passenger side rear thorax airbag crash sensor:
   Subsystem 5 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.H  H02 ----
   Serial number: 3526KSME213A6F2AZZZ$

   Crash sensor for front airbag: driver side:
   Subsystem 6 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Fahr  H02 ----
   Serial number: 3556LSME5402582AZZZU

   Crash sensor for front airbag: front passenger side:
   Subsystem 7 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Beif  H02 ----
   Serial number: 3566LSME1E0E4F2AZZZC

1 Fault Found:
9483008 - Seat Occupied Recognition
          B10B3 00 [10001001] - Function Restriction due to Implausible Message(s)
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 34
                    Reset counter: 13
                    Mileage: 328189 km
                    Date: 2024.11.01.
                    Time: 03:04:44


-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 5C6 920 953 B    HW: 5C6 920 953 B
   Component: KOMBI         H04 0809 
   Serial number: 00000000000000
   Coding: 270A01
   Shop #: WSC 00066 790 07025
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
   VCID: 2C06DC601684F7FAD33-8078

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 6N0-909-901-6R.clb
   Part No SW: 6N0 909 901     HW: 5C0 937 087 A
   Component: GW-K-CAN TP20 H34 0411 
   Revision: B2034001   
   Coding: 102200
   Shop #: WSC 00066 123 12345
   VCID: 70BE0810FAACD31AAFB-8024

2 Faults Found:
01044 - Control Module Incorrectly Coded
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 328191 km
                    Time Indication: 0
                    Date: 2019.03.26.
                    Time: 00:04:49

01325 - Control Module for Tire Pressure Monitoring (J502)
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 228
                    Mileage: 328191 km
                    Time Indication: 0
                    Date: 2019.03.27.
                    Time: 23:22:34


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H04 0809 
   Serial number:              
   Coding: 000007
   Shop #: WSC 00066 000 00122
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW23.rod
   VCID: 6A8A1A78DCF029CAE1F-803E

1 Fault Found:
9456128 - Engine Control Module (ECM) not authorized
          B104A 00 [00001000] - -
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 1
                    Fault Frequency: 5
                    Mileage: 328191 km
                    Date: 2024.11.02.
                    Time: 00:00:32


-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764)       Labels:* 5K0-905-861.clb
   Part No SW: 5K0 905 861 C    HW: 5K0 905 861 C
   Component: ELV-PQ35      H21 0240 
   Revision: 00000000    Serial number: 14000002123002
   Coding: 4100000000000000
   Shop #: WSC 00066 790 50316
   ASAM Dataset: EV_ELVMarquMPVW36X A01001
   ROD: EV_ELVMarquMPVW36X_VW32.rod
   VCID: 303EC8103AAC931AEFB-8064

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 R
   Component: EPS_ZFLS Kl. 69     3501 
   Revision: 00H22000   
   Shop #: WSC 02069 000 90108
   VCID: 3928F534E5565252585-806C

1 Fault Found:
01316 - ABS Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 3
                    Fault Frequency: 13
                    Reset counter: 13
                    Mileage: 328191 km
                    Time Indication: 0
                    Date: 2019.03.28.
                    Time: 00:10:22

             Freeze Frame:
                    Voltage: 14.38 V
                        DU
                    Temperature: 22.0∞C
                    RPM: 1984 /min
                    Speed: 32.0 km/h
                    Speed: 32.0 km/h
                    Count: 0


-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 1K0 035 180 AF    HW: 1K0 035 180 AF
   Component: Radio Prem-8  H07 0008 
   Revision: -----11S    Serial number: VWZ4Z7P3535613
   Coding: 01000400020006
   Shop #: WSC 00066 000 00000
   VCID: 649674403E547FBADB3-8030

1 Fault Found:
02788 - Internal Communications Error
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 22
                    Reset counter: 228
                    Mileage: 328189 km
                    Time Indication: 0
                    Date: 2019.03.24.
                    Time: 23:22:50


-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:| 12E-035-284.clb
   Part No SW: 561 035 285     HW: 561 035 285
   Component: OCULowUSA     014 0102 
   Serial number: 000003554140514 Dataset Number: V03935196FH 0010
   Coding: 02630102C2163A107F1606000000
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_OCULow 001010
   ROD: EV_OCULow_001.rod
   VCID: 53F4A79C6B7A8802B29-8006

1 Fault Found:
2103041 - Control Module
          B1788 F0 [00001001] - Start Prohibition Deactivated
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 8
                    Fault Frequency: 1
                    Reset counter: 228
                    Mileage: 328191 km
                    Date: 2024.11.04.
                    Time: 00:15:13


-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 5N0-035-729.clb
   Part No SW: 5N0 035 729 A    HW: 5N0 035 729 A
   Component: TELEFON       H05 0592 
   Revision: 1B001001    Serial number: 00007665768701 Dataset Number: 5N0035729A  0001
   Coding: 0A10030080010110
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_UHVUMI 001007
   ROD: EV_UHVUMI.rod
   VCID: 2E02D668209885EAFD7-807A

No fault code found.

End----------(Elapsed Time: 01:40, VBatt start/end: 14.3V/14.2V)-----------
 
Last edited by a moderator:
   #8  

Dr Sheldon

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Looking at your scan in Post #7 there is no evidence to suggest that you have an ECU or ABS Module issue.

Your start point is here

00285 - ABS Wheel Speed Sensor; Front Right (G45)
003 - Mechanical Failure

00283 - ABS Wheel Speed Sensor; Front Left (G47)
003 - Mechanical Failure

Note it says ""MECHANICAL FAILURE"" not Sensor Failure !! ??


Graph MVB's in ABS for all 4 Wheel speed sensors and post please.
 
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   #9  

Uwe

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   #10  

VW_Jockey

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More data! Again, I can't say thank you enough for the help and support on this forum! Great advice @Dr Sheldon

I started a logging session with the MVBs for the ABS and went for a drive. To my suprise all sensors were reading appropriate km/h - although the graph i attached shows some drops in one of the sensors. I apologize the MVB data I captured, i didn't take any freeze frames while driving, but I ensure you all 4 sensors were reading within +/- 1to3 KM/h - so it appears all sensors are reporting wheel speed. Please see attached MVB log and the screenshot of the graph. As you can see theres a few dips in the graph relating to 2 sensors, but i'm unsure if these anomalies are normal or if they could be throwing the abs module for a loop.

Please advise - Happy to collect more data or run another log if needed. I simply wasn't clicking "add to log" while driving to log the km/h of each sensor, but the graph should tell some of the story.


Link to graph: hosted on postimg.cc
accelerating from stop light

I pasted the log data, i don't think it's much help as I forgot to click "add to log" when I was accelerating - doh! but I assure all 4 sensors were reading out data, i'm unsure if the dips in teh graph could be a momentary break in the sensor data and maybe that is what is throwing the codes - Thanks in advanced!

Monday,04,November,2024,15:04:38:64521
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 24.7.1.0 (x64) HEX-V2 CB: 0.4643.5
Data version: 20240919 DS356.3
www.Ross-Tech.com





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


Address 03: ABS Brakes (1K0 907 379 BS)

15:04:33 Group 001: Current Wheel Speed
0.0 km/h Speed Sensor Front Left (G47)
0.0 km/h Speed Sensor Front Right (G45)
0.0 km/h Speed Sensor Rear Left (G46)
0.0 km/h Speed Sensor Rear Right (G44)

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


Address 03: ABS Brakes (1K0 907 379 BS)

15:10:50 Group 001: Current Wheel Speed
0.0 km/h Speed Sensor Front Left (G47)
0.0 km/h Speed Sensor Front Right (G45)
0.0 km/h Speed Sensor Rear Left (G46)
0.0 km/h Speed Sensor Rear Right (G44)

15:10:50 Group 002: Switches and Warning Lights I



Not Oper. Parking Brake

15:10:50 Group 003: Switches and Warning Lights II
Activated Brake Light Switch (F)
ON Brake System Warning L. (K118)
ON ABS Warning L. (K47)
ON ASR/ESP Warning L. (K155)

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


Address 03: ABS Brakes (1K0 907 379 BS)

15:16:23 Group 001: Current Wheel Speed
0.0 km/h Speed Sensor Front Left (G47)
0.0 km/h Speed Sensor Front Right (G45)
0.0 km/h Speed Sensor Rear Left (G46)
0.0 km/h Speed Sensor Rear Right (G44)

15:16:23 Group 002: Switches and Warning Lights I



Not Oper. Parking Brake

15:16:23 Group 003: Switches and Warning Lights II
Not Oper. Brake Light Switch (F)
ON Brake System Warning L. (K118)
ON ABS Warning L. (K47)
ON ASR/ESP Warning L. (K155)
 
   #13  

VW_Jockey

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Okay, good to know! I'll check the sensors again and try to diagnose which sensor is throwing those inconsistencies. I may have to start investigating/replacing the harness leads to the sensors. I'll try to pinpoint which sensors are unhappy (dropping out during driving). I believe the front sensors are aimed at the teeth (air pockets) in the rotors, but i'll doublecheck again. I know there was a bit of rust/corrosion around the sensor holes that I worked through.
 
   #14  

Dr Sheldon

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I may have to start investigating/replacing the harness leads to the sensors

Enlighten me on the thought process that takes you from "Mechanical Failure" to "replacing the harness leads"

You are going to be work to help !!
 
   #15  

VW_Jockey

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More info -

Went for a Drive - logging sensors and graphing - noticed the front sensors primarily showing the trenches in the graph. Comparing the trenches with the live readings in VCDS i could see that both front sensors are taking random dips and misreading's, creating the trenches in the graphs.

I popped the wheels off to check it out. The front right sensor had a broken clip and the front left sensor appeared to be intact. I've replaced both of them (with amazon replacement sensor, maybe I need to get genuine VW and try that?). Anywho, noticing that the harness clip is broken, I went ahead and removed the rubber diaphragm from the plug and filled it with some Dialectric grease to do some testing. I removed the rubber weather stripping in the harness plug to decrease the clipping pressure on the sensor in hopes that I get some better readings. I went ahead and did that to both of the front sensor clips so that they seat better on the sensor for another test drive. I noticed an improvement in the graph, but it still seems as though the front sensors are reporting random dips in speed.

My next thoughts are purchasing genuine VW sensors and a replacement ABS harness (since that one clip is broken anyways and this is round 2 of amazon abs sensors).
Happy to entertain any ideas on what else it might be. When I disable the front sensors in the graph, it looks much cleaner (much tighter tolerances).

i'm using postimg.cc to host these screenshots - please let me know if you have any trouble viewing them

First Drive Graphs/Screenshots BASELINE TEST DRIVE: https://postimg.cc/gallery/BQ5qDrz\

Second Drive Graphs/Screenshots AFTER RESEATING FRONT SENSORS: https://postimg.cc/gallery/bs7ZGb6

Second Drive Graphs FRONT SENSORS DISABLED: https://postimg.cc/gallery/Wd4s14V

Pics of the sensor hub assy:https://postimg.cc/gallery/SbwXJMR

As always - thank you for time reading and offering any insight! !cheers!
 
   #16  

PetrolDave

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I've replaced both of them (with amazon replacement sensor, maybe I need to get genuine VW and try that?)
Anything other than genuine VW sensors from a trusted supplier is a risk.

Having said that if the symptoms are the same then I would also confirm that the magnetic rings are fully intact.
 
  • Agree
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   #17  

VW_Jockey

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Anything other than genuine VW sensors from a trusted supplier is a risk.

Having said that if the symptoms are the same then I would also confirm that the magnetic rings are fully intact.
Great idea - i was thinking about possibly wheel bearing soon anyways since this project has 205K on it!

Yeah, I agree Amazon sensors are always hit or miss. Report back soon - Thanks everyone!!
 
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