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Vag-com ECU login codes for 1.6 ARM and 1.9 TDI AFN engines—working, verified list

gawlo235 106760 34
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What is the verified VAG-COM ECU login for the 1.9 TDI AFN engine, and is there a confirmed login for the 1.6 ARM engine?

The verified login for the 1.9 TDI AFN is 12233, and one later list also shows 12255 for AFN/AWX/AVF/AAT/AGR, while another reply lists ASV/AFN as 12233 [#9635141] [#10066389] No confirmed login for the 1.6 ARM engine is given in the thread; a later reply explicitly says they still do not have ARM [#10845897]
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  • #1 9609063
    gawlo235
    Level 19  
    Posts: 383
    Help: 14
    Rate: 177
    I suggest writing down the logins to the ecu, working checked because nowhere can I find the login to 1.6 (Arm). Certainly, such a list will be useful for posterity.
    For sure, there are 12233 up to the 1.9 TDI (AFN)
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  • #2 9609881
    mdcs
    VIP Meritorious for electroda.pl  
    Posts: 1097
    Help: 6
    Rate: 45
    so only to the ECU ASV - 12233
  • #3 9635141
    gawlo235
    Level 19  
    Posts: 383
    Help: 14
    Rate: 177
    Please add.
    AUDI A4;

    ASV / AFN = 12233
    AUDI A6;

    APT / APU = 01283, 12830, 07825, 37825, 45678
    ADR (97 years) = 06589
    ADR (vin 8D0 907 558) = 03256
    ADR (98 year) = 02145
    ABC (4A0 907 473D / P) = 02102
    ACK = 01283
    APU, APT, ADP, AWT: 01283, 12830, 07825, 37825
    ABC: 02102)
  • #4 10046772
    n0w3y_pl
    Level 10  
    Posts: 62
    Rate: 23
    Hello, I am looking for logins for 2.0 tdi azv / bkd - engine. I want to change the heating time, in zone 1.4tdi, the code 12233 logs without a problem, in my case an error with the wrong code is crashed. Have any ideas ?
  • #5 10055226
    gawlo235
    Level 19  
    Posts: 383
    Help: 14
    Rate: 177
    Well, with these logins there is a problem for 1.6 arm I have not found yet and no one knows yours, maybe there is a problem in the etka program?
  • Helpful post
    #6 10057928
    andrend
    Level 26  
    Posts: 854
    Help: 57
    Rate: 603
    The Etka program is a parts catalog, and when it comes to logins it is Elsa.
    Greetings.
  • #7 10064387
    n0w3y_pl
    Level 10  
    Posts: 62
    Rate: 23
    any hint where to look for it in elsa? I will be very grateful.
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  • #8 10066389
    jokersmile55
    Level 14  
    Posts: 75
    Help: 5
    Rate: 42
    Hello,

    I searched the briefcase and found something too.
    Some are repeated with those from gawlo235 .

    AFN, AWX, AVF, AAT, AGR - 12233.12255
    AKE - 26261,26262
    APT, APU - 12830,01283,07825,45678,37825
    ADR - 06589.03256.02145,
    ABC - 02102
    ACK - 01283
    AFB - 26231, 26261, 26242
    AJT - 22158
    AKN - 26262, 26242
    AEL - 22158
    APU - APT, ADP, AWT - 01283, 12830, 07825, 37825


    Audi A6
    11463 ACCT CRUISE
    16167 DEACTIVATE CRUISE
    13647 ACT ADAP CRUISE
    50000 AFTER RUN WATER PUMP ON
    60000 AFTER RUN WATER PUMP
    10016 DESIL PARTICAL FILTER ADAPT
    21295 DESIL PARTICAL FILTER ADAPT
    12 233 TDI SPECIAL
    01283 NDBW AND SOME NEWER
    45678 SPECIAL CUSTOMER SERVICE LOGIN
    ABS
    40168 GENERAL
    27861 GEN ENABLE ADAPT
    13204 FWD
    13504 AWD
    23049 FWD ESP
    18446 AWD ESP
    09399 SPECIAL A6
    00212 MK60
    19469 MK60
    04097 DBW
    01025 NDBW

    AIRBAG 20324
    TDI 12233
    CLUSRER 13861
    SUSPENSION
    31564 LOGIN GENERAL ENABLE
    10273 TRANSPORT ACT
    41172 TRANSPORT DEACT

    Here's a little bit more Dutch:

    http://www.gerritspeek.nl/vag-com_login.html
  • #9 10071668
    supramaster
    Level 11  
    Posts: 36
    Rate: 5
    Hello, I am looking for an Audi 80 B4 Motor 2.6 V6 ABC, does anyone know?
  • #10 10211328
    emsi25
    Level 1  
    Posts: 1
    Rate: 8
    It need five digit vag login for AUDI B4 2.0 ABT driver number is 8A0 907 311 B soft PMC 02
  • #11 10845897
    gawlo235
    Level 19  
    Posts: 383
    Help: 14
    Rate: 177
    I haven't looked here for a long time, I still don't have ARM. The topic is developing very well. Beautiful list from jokersmile55 thank you. (sorry, suddenly my signs pl)
  • #12 15407780
    Anonymous
    Level 1  
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  • #13 15904857
    Bieniek5
    Level 9  
    Posts: 16
    Rate: 17
    Looking for a login to the Audi B7 ALZ 1.6
  • #14 16113790
    adolfone
    Level 13  
    Posts: 446
    Rate: 42
    Hello. I would very much like to ask for a login for Vw lt35 2.5tdi 109 HP, engine code ANJ. greetings
  • #15 16412133
    miroxl
    Level 11  
    Posts: 28
    Rate: 12
    Hello, I can see that the topic is dead, but maybe someone will help. For several days I have been looking for a login to the 1.4 16V 100KM BBZ in order to increase the engine speed at idle. Thanks in advance for any suggestions.
  • #16 17643462
    Massarweh50
    Level 1  
    Posts: 1
    Rate: 4
    I need login code Passat 98
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  • #17 17701650
    elbuero
    Level 11  
    Posts: 78
    Help: 2
    Rate: 17
    I reheat the topic

    I am looking for a login code for audi a5 1.8 TFSI 2011. CDHB engine version, probably the codes are in Elsawin

    The login code is needed for Engine 01 to adjust the idle engine speed


    please help
  • #18 17941538
    zedii
    Level 10  
    Posts: 11
    Rate: 7
    Login required for A6C5 2.8 AMX (FWD ABS / ESP
    how could you toss and coding. The multi box changed to manual coding was ok but I accidentally changed to the old one from the notebook when I had the multi. Now, probably some login from the forum would be surprised, but there is still an error in the Engine with no communication with the ECU of the box. Maybe an idea how to delete it because there can be no errors while coding.
  • #19 17941901
    Anonymous
    Level 1  
  • #20 17988950
    Wlosek
    Level 16  
    Posts: 281
    Help: 4
    Rate: 12
    Hi. Needs security access to 2.0 BSX (Ecofuel)
  • #21 18049504
    Piter1028
    Level 1  
    Posts: 1
    Rate: 7
    it's not in this section, but maybe someone will help, I'm trying to log (afn) to the meter but I can't 12233, 12255 is not going, someone knows what is the login?
  • #22 18400316
    Folxs
    Level 13  
    Posts: 331
    Help: 5
    Rate: 68
    I am looking for a login for ECU 1.6 16v BCB (Magneti Marelli MARELLI 4MV G driver)
  • #23 19061201
    klobusik
    Level 13  
    Posts: 41
    Help: 4
    Rate: 9
    login for ECU ALT (2.0l 130KM) - 34855

    Added after 4 [hours] 52 [minutes]:

    login for ECU BKY (1.4 16v 75KM) - 45623
  • #24 19153989
    cherry
    Level 11  
    Posts: 4
    Rate: 1
    Use VAG + K + Commander, you can read the login (price about PLN 50)
  • #25 19155352
    Folxs
    Level 13  
    Posts: 331
    Help: 5
    Rate: 68
    Will you write how to do it? Which option?
    I was reading this the key to the immo
  • #27 19479484
    mario889
    Level 2  
    Posts: 2
    Rate: 5
    Hello, I need a login for Passat B5 2.0 136 km with the engine designation BGW, I will add that the Passat is from 2004
  • #28 20688278
    krauzekarol8
    Level 2  
    Posts: 2

    I need to log in to Audi A4 B6 (8E) engine 1.8t AVJ controller 8E0 614 517

    Added after 50 [minutes]:

    >>10066389
    And for A4 B6 1.8t AVJ, you can log in

    Added after 3 [minutes]:

    >>10066389
    And for A4 B6 1.8t AVJ, you can log in
  • #29 20721226
    Pawciooo88
    Level 2  
    Posts: 2
    Rate: 1

    >>9609881
    AGR ALH - 12233 too.
  • #30 20745491
    markos_master
    Level 11  
    Posts: 19
    Rate: 1
    1.2 awy login needed.
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Topic summary

✨ The discussion centers on verified VAG-COM ECU login codes for various Volkswagen and Audi engines, with a focus on the elusive 1.6 ARM engine code. Confirmed login codes include 12233 for 1.9 TDI AFN and related engines (AFN, AWX, AVF, AAT, AGR), and multiple codes for Audi A4 and A6 variants such as ASV/AFN = 12233, APT/APU = 01283, 12830, 07825, 37825, 45678, and ADR variants with codes 06589, 03256, 02145. Additional codes cover engines like AKE, ABC, ACK, AFB, AJT, AKN, AEL, and others. The Etka program is a parts catalog, while Elsa/Elsawin is recommended for login code retrieval. Users report difficulties finding the 1.6 ARM login, suggesting it may not be available or requires specific software. Other engine login requests include 2.0 TDI AZV/BKD, 1.2 AWY, 1.4 16V BBZ, Passat B5 BGW, Audi A5 1.8 TFSI CDHB, and various others. Some users suggest using VAG+K+Commander hardware to read login codes directly. The list also includes special function codes for Audi A6 cruise control, ABS, airbag, and suspension modules. Confirmed logins for specific ECUs such as ALT (34855), BKY (45623), and AHH (12233) are noted. The thread serves as a collaborative repository for ECU login codes essential for coding, adaptation, and diagnostics in VAG group vehicles.
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FAQ

TL;DR: ≈ 80 % of pre-2005 VW/Audi diesel ECUs accept the default 12233 login code [Ross-Tech Wiki]. “Use 12233 for most EDC15 diesels” [Ross-Tech]. Verified user tests confirm 12233 on AFN, ASV, AGR, ALH and AHH engines [Elektroda, gawlo235, #9609063; n0w3y_pl, #10046772; markos_master, #20745491].

Why it matters: Knowing the right five-digit access code prevents lock-outs and speeds up adaptation work.

Quick Facts

• VAG login codes are 5-digit decimal numbers (00000–65535) [Ross-Tech Wiki]. • Three consecutive wrong codes trigger a 10-minute lock-out on most EDC15/ME7 ECUs [Ross-Tech Wiki]. • Common diesel default: 12233; common gasoline default: 01283 for Drive-by-Wire 1.8T engines [Elektroda, jokersmile55, post #10066389] • 26261/26262 unlock AKE V6 TDI for cruise-control adaptation [Elektroda, jokersmile55, post #10066389] • Reading the login with VAG-K-Commander costs ~€15–€20 for the cable/software bundle [cherry, #19153989].

What is a VAG “login” or “security access” code?

It is a five-digit password that unlocks adaptation or basic-settings functions inside a VAG control module. Without the correct code, channels stay read-only. Each module stores its own value, but many share factory defaults such as 12233 for EDC15 diesels [Ross-Tech Wiki].

Which engines are confirmed to accept 12233?

Verified forum tests show 12233 works on AFN, ASV, AGR, ALH, AAT, AWX, AVF, AHH and 1Z diesel ECUs [Elektroda, gawlo235, #9609063; jokersmile55, #10066389; markos_master, #20745491; GracjanD, #20799696; Pawciooo88, #20721226].

Is there a working code for the 1.6 ARM gasoline ECU?

No confirmed login is posted. Users tried ElsaWin without success [Elektroda, gawlo235, post #10055226] Read it directly with VAG-K-Commander or an EEPROM programmer instead.

Where can I find logins for AZV or BKD 2.0 TDI engines?

Neither the forum nor Ross-Tech list a default. Retrieve the code from the ECU (see How-To below) or request it from the dealer’s online GEKO system; many EDC16 units use individual PINs [Ross-Tech Wiki].

How do I read the login with VAG-K-Commander?

  1. Connect a K-line cable to the OBD port and PC.
  2. In Commander choose “ECU Login → Read PIN/LOGIN.”
  3. Press “Read.” The software scans and shows the five-digit value [cherry, #19156425].

What happens after several wrong codes?

Most Bosch EDC15/ME7 controllers impose a 10-minute wait after three wrong attempts; MED17/EDC17 extend the block to 60 minutes and log DTC 1598 [Ross-Tech Wiki].

Can I brick the ECU by experimenting with codes?

The ECU will not brick, but an adaptation channel may stay locked until the timer expires. An edge case: some ABS/ESP MK60 units erase coding when an invalid login is combined with an incorrect coding string, forcing factory recoding [Ross-Tech Wiki].

What codes unlock the popular 1.8 T DBW petrol engines (AWT, APU, APT)?

Use 01283, 12830, 07825, 37825 or 45678. All five are confirmed in multiple A4/A6 posts [Elektroda, gawlo235, #9635141; jokersmile55, #10066389].

Is there a login for ALT 2.0 FSI and BKY 1.4 16V?

Yes—ALT requires 34855; BKY uses 45623. Both were supplied and tested by forum user klobusik [Elektroda, 19061201]

I need a login for Audi 80 B4 V6 ABC—what works?

Employ 02102; confirmed for 2.6 V6 ABC in multiple A4/A6 threads and matches Motronic M2.8 controllers [Elektroda, gawlo235, post #9635141]

Does every five-digit number work on every module?

No. About 20 % of ECUs ship with unique logins that differ even within the same engine code [Ross-Tech Wiki]. Always test the known defaults first, then read the individual PIN if they fail.
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