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Thread: Problem with VCDS coding on VW T5.1

  1. #1
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    Problem with VCDS coding on VW T5.1

    hi @all,

    i have a problem with vcds,
    on a vw T5.1 i installed the fulled headlight,
    fisical installation and rewire the connectors goes ok, but with coding i have a problem,
    trying to coding on "07 mený (cent.elect)"
    on long coding, the program can't permit me to change bit on Byte 18,
    a message RED COLORED tell me that extremely dangerous to change the code...
    i know and i want to change in anyway (the modification is tested from many users)
    but not is possible, the program can't allow me...

    there is a solution to make a change in Byte 18???

    tia

    Alex
    Last edited by Tommo; 04-26-2019 at 05:35 PM.

  2. #2
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    sorry now i can't have the vehicle near me, tomorrow i post the AUTOSCAN image.

  3. #3
    Benevolent Dictator Uwe's Avatar
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    Did you not make an Auto-Scan before you started working on this vehicle?

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  4. #4
    Verified VCDS User PetrolDave's Avatar
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    If byte 18 is all zeros that means the real coding is "hidden" in an EEPROM value, so there's no way to simply revert if the new coding is wrong nor to calculate what the changed coding should be based on the current coding.

    Many owners have caused all sorts of lighting issues by changing a byte 18 value of all zeroes, so you need to be 101% sure that the value you plan to be use is correct.

  5. #5
    Verified VCDS User iichel's Avatar
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    The byte 18 being masked won't be an issue on pq25. Let's see if there's a scan somewhere

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  7. #6
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    Quote Originally Posted by Uwe View Post
    Did you not make an Auto-Scan before you started working on this vehicle?

    -Uwe-
    obviously i did the autoscan before start the work,
    yesterday when i wrote the post i was at home, and the transporter and the vcds laptop was in my workshop...so yesterday i didn't post the scan.

    This is the condition at the start of the entire working process

    Code:
    Monday,25,March,2019,16:27:31:65308
    
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8 x64
    VCDS Version: 18.9.1.0 (x64)  HEX-NET CB: 0.4436.4
    Data version: 20190114 DS296.0
    www.Ross-Tech.com
    
    
    VIN: WV1ZZZ7HZCH019405   License Plate: 
    Mileage: 328200km-203934mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 7H-VN75 (6N0)
    Scan: 01 03 04 08 09 10 15 17 18 19 25 56 69 6E 77 0B
    
    VIN: WV1ZZZ7HZCH019405   Mileage: 328200km-203934miles
    
    01-Engine -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: Malfunction 0010
    10-Park/Steer Assist -- Status: OK 0000
    15-Airbags -- Status: Malfunction 0010
    17-Instruments -- Status: OK 0000
    18-Aux. Heat -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    69-Trailer -- Status: OK 0000
    6E-Ctrl Head Roof -- Status: OK 0000
    77-Telephone -- Status: Malfunction 0010
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CAAC)       Labels:. 03L-906-022-CAA.clb
       Part No SW: 03L 906 022 CH    HW: 03L 907 309 K
       Component: R4 2,0L EDC   H42 9970  
       Revision: 26H42---    Serial number: 00000000000000
       Coding: 0119401A231400080000
       Shop #: WSC 38837 001 1048576
       ASAM Dataset: EV_ECM20TDI01103L906022CH 002013
       ROD: EV_ECM20TDI01103L906022CH_002.rod
       VCID: 6D92CA46BC6EE22206-8038
    
    No fault code found.
    Readiness: 0 0 0 0 1 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (-----)       Labels: 7E0-907-37x-MK25AXT.clb
       Part No SW: 7E0 907 379 H    HW: 7E0 907 379 E
       Component: ESP MK25A XT  H43 0107  
       Revision: 00H43001    
       Coding: 708724AD89A50E9E24A69171696310
       Shop #: WSC 02736 790 49152
       VCID: 373E282E86B298F22C-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J301)       Labels:| 7E5-907-047.clb
       Part No SW: 7E5 907 047 BC    HW: 7E5 907 047 BC
       Component: Climatic-T5   H19 0404  
       Revision: 00001008    
       Coding: 0000000002
       Shop #: WSC 02756 790 50316
       ASAM Dataset: EV_ClimaticT5 A01003
       ROD: EV_ClimaT5Basis.rod
       VCID: 71AAD636A05606C222-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 7H0-937-08x-09.clb
       Part No SW: 7H0 937 089 F    HW: 7H0 937 089 
       Component: BCM T5GP Li4  H50 0251  
       Revision: BS050001    Serial number: 0465 184111185
       Coding: A0A0393A0E21200201280E706EEB8E548290610F60862C41300000000000
       Shop #: WSC 02756 123 09999
       VCID: 393A2E16B0A68E82DA-806C
    
       Subsystem 1 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
       Component: RLS 290611 05  54  0403 
       Coding: 02302E
    
       Subsystem 2 - Part No SW: 7E0 959 801     HW: 7E0 959 801   Labels: 7E0-959-80X-V1.CLB
       Component: J386__TSG_FT  002 3311 
       Serial number: --------------------
       Coding: 000000
    
       Subsystem 3 - Part No SW: 7E0 959 802     HW: 7E0 959 802   Labels: 7E0-959-80X-V1.CLB
       Component: J387__TSG_BT  002 3311 
       Serial number: --------------------
       Coding: 000000
    
       Subsystem 4 - Part No SW: 2H0 959 442     HW: 2H0 959 442 
       Component: E221__MFL-DC1  H02 0103 
       Serial number: 39180001165610038245
       Coding: A4FFFF
    
    4 Faults Found:
    03428 - Activation of Left Adaptive Light 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 173
                        Mileage: 328203 km
                        Time Indication: 0
                        Date: 2013.09.17
                        Time: 00:13:51
    
    03429 - Activation of Right Adaptive Light 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 173
                        Mileage: 328203 km
                        Time Indication: 0
                        Date: 2013.09.17
                        Time: 00:13:51
    
    02745 - Bulb for Daytime Running Light; Left 
                010 - Open or Short to Plus
                 Freeze Frame:
                        Fault Status: 01101010
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 173
                        Mileage: 328203 km
                        Time Indication: 0
                        Date: 2013.09.17
                        Time: 00:13:51
    
    02746 - Bulb for Daytime Running Light; Right 
                010 - Open or Short to Plus
                 Freeze Frame:
                        Fault Status: 01101010
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 173
                        Mileage: 328203 km
                        Time Indication: 0
                        Date: 2013.09.17
                        Time: 00:13:51
    
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J446)       Labels:| 7E0-919-475.clb
       Part No SW: 7E0 919 475 E    HW: 7E0 919 475 A
       Component: PARKHILFE 8K  H11 0013  
       Revision: --------    Serial number: 47401115500700
       Coding: 118004
       Shop #: WSC 02736 790 50316
       ASAM Dataset: EV_VW75XParkAssis8K A01005
       ROD: EV_VW75XParkAssis8K_A01.rod
       VCID: 34241F229FC473EA09-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
       Part No SW: 7E0 959 655 C    HW: 7E0 959 655 C
       Component: VW10Airbag007 H06 0013  
       Revision: --------    Serial number: 003HM0018V84
       Coding: 000000000000000000000000000000003037
       Shop #: WSC 02734 790 50316
       ASAM Dataset: EV_AirbaVW10BPAVN750 A01026
       ROD: EV_AirbaVW10BPAVN750_VW12.rod
       VCID: 3620252A89B861FA37-8062
    
       Crash sensor for side airbag: driver side: 
       Serial number: 3495ZRB40670D6ISH1Q5
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 3505ZRB404V0DD24IPO9
    
    2 Faults Found:
    9440027 - Driver's side; side-airbag igniter 
              B100B 1B [137] - Resistance Too High
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 328203 km
                        Date: 2019.03.25
                        Time: 00:13:55
    
    9439771 - Front Passenger's Side Airbag Igniter 
              B100A 1B [137] - Resistance Too High
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 328203 km
                        Date: 2019.03.25
                        Time: 00:13:55
    
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
       Part No SW: 7E0 920 870 E    HW: 7E0 920 870 E
       Component: KOMBI         H04 0305  
       Serial number: 00000000000000
       Coding: 160E00
       Shop #: WSC 02736 790 50316
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04113
       ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
       VCID: 2B16045E42FA2C1258-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 18: Aux. Heat        Labels: None
       Part No: 7E0 819 008 D
       Component: J737__Standheizung  0605  
       Revision: 00084000    Serial number: 09019169F00000
       Coding: 0000322
       Shop #: WSC 68578 123 12345
       VCID: 2A18015A8500351AA3-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 6N0-909-901-6R.clb
       Part No SW: 6N0 909 901     HW: 7H0 937 089 
       Component: GW-K-CAN TP20 H50 0251  
       Revision: BS050001    
       Coding: 042200
       Shop #: WSC 02756 123 09999
       VCID: 70ACD332A35C0FCA2D-8024
    
    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          H04 0305  
       Serial number:               
       Coding: 000000
       Shop #: WSC 00000 000 00000
       ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03009
       ROD: EV_Immo_UDS_VDD_RM09.rod
       VCID: 6A98C15A8D80F51A63-803E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio
    Cannot be reached
    
    -------------------------------------------------------------------------------
    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: 00000150316427
       Coding: 410D000100000000
       Shop #: WSC 02736 790 00000
       VCID: 302C133263DC4FCA6D-8064
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6E: Ctrl Head Roof (J702)       Labels:. 7E5-919-037-W2.clb
       Part No SW: 7E5 919 037 G    HW: 7E5 919 037 G
       Component: Dachdisplay   H15 0175  
       Revision: 10100010    Serial number: 209624        
       Coding: 000202
       Shop #: WSC 02756 000 09999
       VCID: 352222269CBE6AE23E-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone (J412)       Labels:| 7P6-035-730.clb
       Part No SW: 5K0 035 730 D    HW: 5K0 035 730 D
       Component: TELEFON       H09 2902  
       Revision: 1B001001    Serial number: 00007661281841
       Coding: 0A01010001010101
       Shop #: WSC 21903 124 106850
       ASAM Dataset: EV_UHVNA A01719
       ROD: UHVNA.rod
       VCID: 2600F56A5918117A87-8072
    
    1 Fault Found:
    9457171 - Right audio channel for speech/telephone 
              B104E 13 [009] - Short to GND
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 173
                        Mileage: 328203 km
                        Date: 2019.03.25
                        Time: 00:13:52
    
    
    End----------(Elapsed Time: 01:54, VBatt start/end: 12.0V/12.0V)-----------
    Last edited by Tommo; 04-27-2019 at 06:33 PM.

  8. #7
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    Quote Originally Posted by PetrolDave View Post
    If byte 18 is all zeros that means the real coding is "hidden" in an EEPROM value, so there's no way to simply revert if the new coding is wrong nor to calculate what the changed coding should be based on the current coding.

    Many owners have caused all sorts of lighting issues by changing a byte 18 value of all zeroes, so you need to be 101% sure that the value you plan to be use is correct.
    i don't have all zero in original coding, but the problem is that VCDS don't permit me to insert, delete, copy or past no one bit in byte 18, no modification permitted by the program


  9. #8
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Tommo View Post
    i don't have all zero in original coding, but the problem is that VCDS don't permit me to insert, delete, copy or past no one bit in byte 18, no modification permitted by the program
    Huh?
    You should be able to edit the yellow ones and zeros in field labeled "Binary:"

    In addition there is a drop-down box with a few documented values. However, your original value of 0x61 is not one of those.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  10. #9
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    Quote Originally Posted by Uwe View Post
    Huh?
    You should be able to edit the yellow ones and zeros in field labeled "Binary:"

    In addition there is a drop-down box with a few documented values. However, your original value of 0x61 is not one of those.

    -Uwe-
    No! The problem is this! In the field with 0 and 1 in yellow, the program don't allow me to do any modification!
    If I go in byte 17 or 19 yes, no problem, I can insert new code or modify a single bit in the string... i solved using the LCode2 windows.

    Thanks!
    Last edited by Tommo; 04-28-2019 at 08:03 AM.

  11. #10
    Verified VCDS User iichel's Avatar
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    Try these values, for PQ25 byte 18:

    - 41 H7/H4 headlights
    - 61, 65 H7/H4 headlight (for models with automatic headlights)
    - 67 bi-xenon
    - 60, 66, for LED headlights (factory Polo 6R)
    - 73 for LED headlights (factory T6)

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