Introduction

I have decided to rebuild and update the DTC2 executable version into a browser-based application. DTC2 is now fully web-based and can be accessed directly through the browser, offering greater flexibility and easier access from various devices. The main functions remain the same as in the DTC.exe version. The new version is called DTC2 Online.

What is DTC2 online

DTC2 online is an application for deactivating or deleting DTCs from an ECU Flash Dump. It allows you to remove individual error codes from the ECU. Additionally, the software includes a function to export DTCs from MEDC17, EDC16, MED9, ME7, and MDG1 to an A2L file, which can be used in other software like WinOLS, etc. Furthermore, it has a comparison function that enables you to compare two files. There are also updates and new solutions.

Why DTC2 is now Web-based

The problem with DTC2.exe is that it has grown larger than expected, making it difficult to maintain the software for all users. Additionally, users can sometimes be very challenging. I strive to answer all support questions, but it can sometimes take a few days. During this time, some users send multiple emails, which can be overwhelming. DTC2 online has a very good file identification system, which should eliminate the first user errors. If a file does not work, it is not possible to open a ticket manually. In the past, multiple tickets were opened for the same file. Now, the software automatically creates a ticket, allowing me to see and fix any issues more efficiently.

There are also Updates and new Solutions you can find Infos about it in the News section.

Also such problems like:

HW-ID changes when an external HDD is connected.
DTC2 is incompatible with virtual machines.
DTC2 does not function on Windows ARM systems.
DTC2 is not supported on Windows XP (seriously!).
Is detected as Virus!?

are now solved.

I am aware that the new version has some drawbacks. For example, the biggest issue for me personally is that DTC OFF files are always saved in the browser's default download folder. Unfortunately, I cannot change the destination where the files are stored. Strangely, several users have pointed out to me that they now always need an internet connection, but that was already the case with the DTC2 executable.

But now, let's move on to the advantages:

You can now use DTC2 on any device that has a modern web browser.
The speed! Anyone who has worked with a VAG MED17.x on DTC2 knows it could take about 5 minutes to find DTCs. Now, it takes just 10 seconds.
Updates are much easier to implement.

What browser do I need? I testted DTC2 online with the following browsers:

Google Chrome
Mozilla Firefox
Microsoft Edge

I dont have an Apple device, so I can't test it with Safari. But I think it should work with Safari too. Maybe someone can share his experience with me.

How it works

You can use the same login data as in DTC2.exe. If you don't have an account, you can create one here. After that, you need a valid license to use the software. Then you can start uploading your file and begin working with it.

How do I get a license? Users with a DTC2.exe license can now import their license into DTC2 online. New licenses and renewals are available in the webshop.

Is there no HW-ID anymore? Yes, the HW-ID is no longer needed. Can I share my account with all my friends? No, the account is still personal and can only be used simultaneously for the number of HW-IDs you have. For example, if you had 2 HW-IDs, you can be logged in with 2 sessions. If a third login occurs with this account, the oldest session will be canceled. Additionally, if you share your account, it will be blocked ;).

What does "2 sessions" mean exactly? You can use DTC2 online on two devices at the same time. If you log in on a third device, the oldest session will be automatically terminated.

FAQ

DTC2 online is an application for deactivating or deleting DTCs from an ECU Flash Dump. It allows you to remove individual error codes from the ECU.

Old DTC2.exe users can import their license from the old DTC2.exe (Look at the Main Page). All users, new and old can buy a license in the Webshop soon (End January 2025).

Simple: NO! The old DTC2.exe is no longer supported. The new version is DTC2 online it will fully replace DTC2.exe.

If the ECU is on the supported ECU's List, you can open a ticket. If not, you can't use the software. Non-working files are also sent automatically to me, and I will look at them when I have time.

Indeed, it's a good question. But no worries, this is not a file collecting software. You can see your uploaded files in the DTC2 online file history. I have many users with many files, so I don't have much space to store files permanently. Therefore, after a minimum of 6 hours, the files are deleted.

My TIP: If you have such a unique tune/solution that nobody should see, I am sure you are able to do the DTC OFF by yourself!

In ECU you can only deactivate ECU Errors!!! No ABS, BCM, Light etc. Errors (Yes from time to time I get such questions)

Some ECUs have a "slave" module most time Adblue ECU like DCU17CPXX what have a own DTC table! So you read AdBlue DTCs from the ECU but cant find them in DTC2 Software. So if you make AdBlue off pay attention to the correct application of the solution if there is somthing like "diconect Adblue Modul".

On VAG and VCDS don't always believe the DTC description. Also deactivate the MAN Code.
Example: 16619 - Ladedruckregelung P0235 - 000 - Regelgrenze unterschritten
If you don't found P0235 search for 16619.

On BMW DTC Codes often displayed with 3 Bytes, search only first 2 Bytes:
Example: 12BB01 - Oxygen Sensor After Catalytic Convertor
12BB01 dont't found search for 12BB.

There can be many reasons for this, but in most cases, this is how it behaves.

Sometimes it is not entirely clear whether DTC is ON or OFF. For example, DTC2 Online only checks the path, not the disable mask. Also, do not always rely solely on whether it is marked as ON or OFF. Turn off the DTC anyway and test the file.

supported ECUs

Typ	Manufacturer	ECU
CAR	Alfa Romeo	Bosch EDC16C8
CAR	Alfa Romeo	Bosch MED17.3.3
CAR	BMW	Bosch EDC16C31/35
CAR	BMW	Bosch EDC16CP35
CAR	BMW	Bosch EDC17C06
CAR	BMW	Bosch EDC17C41
CAR	BMW	Bosch EDC17C50/56
CAR	BMW	Bosch EDC17C76
CAR	BMW	Bosch EDC17CP02
CAR	BMW	Bosch EDC17CP09
CAR	BMW	Bosch EDC17CP45
CAR	BMW	Bosch MD1CP002
CAR	BMW	Bosch MD1CP032
CAR	BMW	Bosch MD1CS001
CAR	BMW	Bosch ME9.2
CAR	BMW	Bosch ME9.2.1
CAR	BMW	Bosch ME9.2.2
CAR	BMW	Bosch MED17.2
CAR	BMW	Bosch MEV9.2
CAR	BMW	Bosch MEVD17.2.x
CAR	BMW	Bosch MG1CS003
CAR	BMW	Bosch MG1CS024
CAR	BMW	Bosch MG1CS049
CAR	BMW	Bosch MG1CS201
CAR	BMW	Siemens MSD80
CAR	BMW	Siemens MSD81
CAR	BMW	Siemens MSD85
CAR	BMW	Siemens MSV70
CAR	BMW	Siemens MSV80
CAR	BMW	Siemens MSV90
BIKE	BMW Moto	Bosch ME17.2.4x
AGRI	CNH	Bosch EDC17C49
AGRI	CNH	Bosch EDC17CV41
AGRI	CNH	Bosch EDC7UC31
AGRI	CNH	Bosch MD1CE101
AGRI	Deutz	Bosch EDC17CV52
CAR	Ferrari	Bosch MED9.6.1
CAR	Fiat	Bosch EDC16C39
CAR	Fiat	Bosch EDC17C49
CAR	Fiat	Bosch EDC17C69
CAR	Fiat	Bosch EDC17CP52
CAR	Fiat	Bosch ME17.3.0
CAR	Fiat	Bosch ME7.9.10
CAR	Fiat	Magneti Marelli MJD6F
CAR	Fiat	Magneti Marelli MJD8F
CAR	Fiat	Magneti Marelli MJD9F
CAR	Ford	Delphi DCM3.5
CAR	Ford	Delphi DCM6.1
CAR	Ford	Bosch DCU17PC43
CAR	Ford	Bosch EDC17C10
CAR	Ford	Bosch EDC17C70
CAR	Ford	Bosch EDC17CP05
CAR	Ford	Bosch EDC17CP42
CAR	Ford	Bosch EDC17CP65
CAR	Ford	Continental EMS2204
CAR	Ford	Continental EMS2205
CAR	Ford	Continental EMS2207
CAR	Ford	Continental EMS2211
CAR	Ford	Bosch MD1CS005
CAR	Ford	Bosch MED17.0
CAR	Ford	Bosch MED17.0.1
CAR	Ford	Siemens SID202
CAR	Ford	Siemens SID206
CAR	Ford	Continental SID208
CAR	Ford	Continental SID209
CAR	Ford	Continental SID211
CAR	Ford	Continental SID212
CAR	Ford	Siemens SID803
CAR	Ford	Siemens SID807
CAR	GMC	Bosch EDC17CP18
CAR	Honda	Bosch EDC17CP06
CAR	Honda	Bosch EDC17CP16
CAR	Honda	Bosch MED17.9.3
CAR	Hyundai-Kia	Delphi DCM6.2AP
CAR	Hyundai-Kia	Bosch DCU17PC42/43
CAR	Hyundai-Kia	Bosch EDC16C39
CAR	Hyundai-Kia	Bosch EDC17C08
CAR	Hyundai-Kia	Bosch EDC17C53
CAR	Hyundai-Kia	Bosch EDC17C57
CAR	Hyundai-Kia	Bosch EDC17CP14
CAR	Hyundai-Kia	Bosch MD1CS012
CAR	Hyundai-Kia	Continental SIM2K-14x
CAR	Hyundai-Kia	Continental SIM2K-24x
CAR	Hyundai-Kia	Continental SIM2K-25x
CAR	Hyundai-Kia	Continental SIM2K-34x
CAR	Isuzu	Transtron TTi
CAR	Iveco	Bosch EDC16C39
CAR	Iveco	Bosch EDC16C8
CAR	Iveco	Bosch EDC17C49
CAR	Iveco	Bosch EDC17C69
CAR	Iveco	Bosch EDC17CP52
CAR	Iveco	Bosch EDC7UC31
CONSTRUCTION	JCB	Delphi DCM3.3+
CAR	Jeep	Bosch EDC17C49
CAR	Jeep	Bosch EDC17C69
CAR	Jeep	Bosch EDC17C79
CAR	Jeep	Bosch EDC17CP27
CAR	Jeep	Continental GPEC2
CAR	Jeep	Continental GPEC2a
CAR	Jeep	Continental GPEC4
CAR	Jeep	Motorola NGC4/NGC5
AGRI	John Deere	Phoenix L21/22/23
CAR	Land Rover	Bosch EDC17CP11
CAR	Land Rover	Bosch EDC17CP42
CAR	Land Rover	Bosch EDC17CP55
CAR	Land Rover	Bosch MED17.0
CAR	Land Rover	Bosch MED17.8.3
CAR	Land Rover	Bosch MED17.8.31
CAR	Land Rover	Bosch MED17.8.32
CAR	Land Rover	Bosch MED17.9.7
CAR	Land Rover	Bosch MED17.9.9
CAR	Land Rover	Bosch MEDC179
CAR	Land Rover	Bosch MG1CS028
CAR	Land Rover	Siemens SID203
TRUCK	MAN	Bosch EDC17C32
TRUCK	MAN	Bosch EDC17CV42
CAR	MB	Delphi CRD2
CAR	MB	Delphi CRD3.x
CAR	MB	Bosch DCU17PC42
CAR	MB	Bosch EDC16C32
CAR	MB	Bosch EDC16CP31
CAR	MB	Bosch EDC16CP36
CAR	MB	Bosch EDC17C66
CAR	MB	Bosch EDC17CP01
CAR	MB	Bosch EDC17CP10
CAR	MB	Bosch EDC17CP46
CAR	MB	Bosch EDC17CP57
CAR	MB	Bosch MD1CP001
CAR	MB	Bosch MD1CS006
CAR	MB	Bosch ME9.7
CAR	MB	Bosch MED17.7.x
CAR	MB	Bosch MED9.7
CAR	MB	Bosch MG1CP002
CAR	MB	Continental SIM271DE
CAR	MB	Continental SIM271KE
CAR	Mazda	Denso R2xx
CAR	Mazda	Denso RFxx
CAR	Mazda	Denso SHxx
CAR	Mazda	Siemens SID807
CAR	Opel	Denso DEC
CAR	Opel	AC-Delco E78
CAR	Opel	AC-Delco E78
CAR	Opel	AC-Delco E80
CAR	Opel	AC-Delco E83
CAR	Opel	AC-Delco E87
CAR	Opel	AC-Delco E98
CAR	Opel	Bosch EDC16C39
CAR	Opel	Bosch EDC16C9
CAR	Opel	Bosch EDC17C18
CAR	Opel	Bosch EDC17C19
CAR	Opel	Bosch EDC17C59
CAR	Opel	Bosch EDC17CP47
CAR	Opel	Bosch PSG16
CAR	PSA	Delphi DCM3.5
CAR	PSA	Delphi DCM6.2A
CAR	PSA	Delphi DCM7.1A
CAR	PSA	Bosch EDC16C34
CAR	PSA	Bosch EDC17C10
CAR	PSA	Bosch EDC17C60
CAR	PSA	Bosch EDC17CP42
CAR	PSA	Bosch MD1CS003
CAR	PSA	Bosch MED17.4.x
CAR	PSA	Continental SID208
CAR	PSA	Siemens SID803
CAR	PSA	Siemens SID803A
CAR	PSA	Siemens SID807
CAR	PSA	Continental V(D)56.1
CAR	PSA	Valeo V46.1x
CAR	PSA	Valeo VD46.1
CAR	Porsche	Bosch MG1CP007
CAR	Porsche	Bosch MG1CS047
CAR	Porsche	Continental SDI10
CAR	Porsche	Continental SDI21.x
CAR	Porsche	Siemens SDI4
CAR	Porsche	Continental SDI6
CAR	Porsche	Continental SDI7/8
CAR	Porsche	Continental SDI9
CAR	Renault	Bosch EDC16C3
CAR	Renault	Bosch EDC16C36
CAR	Renault	Bosch EDC16CP33
CAR	Renault	Bosch EDC17C11
CAR	Renault	Bosch EDC17C42
CAR	Renault	Bosch EDC17C84
CAR	Renault	Bosch MD1CS006
CAR	Renault	Bosch MD1CS016
CAR	Renault	Siemens SID305
CAR	Renault	Siemens SID306
CAR	Renault	Siemens SID307
CAR	Renault	Siemens SID310
CAR	Renault	Continental/Vitesco SID321
TRUCK	Scania	Continental EMS EMD1
TRUCK	Scania	Motorola EMS S6
TRUCK	Scania	Motorola EMS S7
TRUCK	Scania	Continental EMS S8
CAR	SsangYong	Delphi DCM3.7AP
CAR	SsangYong	Delphi DCM6.2AP
CAR	Subaru	Denso KS/DT
CAR	Suzuki	Bosch EDC16C3
CAR	Toyota	Denso Diesel Gen. 1/2
CAR	Toyota	Denso Diesel Gen. 3
CAR	Toyota	Bosch EDC17C73
CAR	Toyota	Bosch EDC17CP07
CAR	Toyota	Denso Petrol Gen. 1/2
CAR	VAG	Delphi DCM3.7
CAR	VAG	Delphi DCM6.2
CAR	VAG	Bosch DQ380
CAR	VAG	Bosch DQ381 G1
CAR	VAG	Bosch DQ500 MQB
CAR	VAG	Continental DQ500 MQB
CAR	VAG	Bosch EDC16CP34
CAR	VAG	Bosch EDC16U1/ U31/ U34
CAR	VAG	Bosch EDC17C46
CAR	VAG	Bosch EDC17C54
CAR	VAG	Bosch EDC17C64
CAR	VAG	Bosch EDC17C74
CAR	VAG	Bosch EDC17CP04
CAR	VAG	Bosch EDC17CP14
CAR	VAG	Bosch EDC17CP20
CAR	VAG	Bosch EDC17CP24
CAR	VAG	Bosch EDC17CP44
CAR	VAG	Bosch EDC17CP54
CAR	VAG	Bosch EDC17CP74
CAR	VAG	Bosch EDC17U01
CAR	VAG	Bosch EDC17U05
CAR	VAG	Bosch INV CON 2.X
CAR	VAG	Bosch MD1CP004
CAR	VAG	Bosch MD1CP014
CAR	VAG	Bosch MD1CS004
CAR	VAG	Bosch MD1CS014
CAR	VAG	Bosch ME17.5.24
CAR	VAG	Bosch ME17.5.26
CAR	VAG	Bosch ME17.5.6
CAR	VAG	Bosch ME7.1
CAR	VAG	Bosch ME7.1.1
CAR	VAG	Bosch ME7.5.x
CAR	VAG	Bosch MED17.1
CAR	VAG	Bosch MED17.1.1
CAR	VAG	Bosch MED17.1.21
CAR	VAG	Bosch MED17.1.27
CAR	VAG	Bosch MED17.1.6
CAR	VAG	Bosch MED17.1.62
CAR	VAG	Bosch MED17.5
CAR	VAG	Bosch MED17.5.1
CAR	VAG	Bosch MED17.5.2
CAR	VAG	Bosch MED17.5.21
CAR	VAG	Bosch MED17.5.25
CAR	VAG	Bosch MED17.5.5
CAR	VAG	Bosch MED9.1
CAR	VAG	Bosch MED9.5
CAR	VAG	Bosch MG1CS001
CAR	VAG	Bosch MG1CS002
CAR	VAG	Bosch MG1CS008
CAR	VAG	Bosch MG1CS011
CAR	VAG	Bosch MG1CS031
CAR	VAG	Bosch MG1CS111
CAR	VAG	Bosch MG1CS163
CAR	VAG	Siemens PCR2.1
CAR	VAG	Siemens PPD1.x
CAR	VAG	Continental SIMOS10
CAR	VAG	Continental SIMOS11
CAR	VAG	Continental SIMOS12
CAR	VAG	Continental SIMOS15
CAR	VAG	Continental SIMOS16
CAR	VAG	Continental SIMOS18
CAR	VAG	Continental SIMOS19
CAR	VAG	Siemens SIMOS6
CAR	VAG	Siemens SIMOS7
CAR	VAG	Continental SIMOS8.x
CAR	VAG	Siemens SIMOS9
CAR	Volvo	Bosch EDC17CP22
CAR	Volvo	Bosch EDC17CP48
CAR	Volvo	Siemens SID803
CAR	Volvo	Siemens SID803A
CAR	Volvo	Denso VEA Version E

= Only aviable for User with a valid license for the DTC2 online WinOLS Integration.

Pricing

Software License DTC2 online:
Important: Upgrading to a different version (Sessions and Files/Day) is only possible 30 days before the current license expires. If you want to upgrade earlier, please contact us. If you renew your license, the remaining days will be added to the new license.
What does "2 sessions" mean exactly? You can use DTC2 online on two devices at the same time. If you log in on a third device, the oldest session will be automatically terminated.

Our software is available in 2-, 6-, and 12-month plans – from the second purchase onward, the 12-month plan includes 2 extra months, making it valid for 14 months.

#	Aplication	Time	Sessions and Files/Day	Price
DTC065030	DTC2 online	2 months	2 sessions / 30 files/day	21.25 € excl. VAT
DTC065050	DTC2 online incl. WinOLS Integration	2 months	3 sessions / 50 files/day	33.75 € excl. VAT
DTC065100	DTC2 online incl. WinOLS Integration	2 months	4 sessions / 100 files/day	58.75 € excl. VAT
DTC185030	DTC2 online	6 months	2 sessions / 30 files/day	47.50 € excl. VAT
DTC185050	DTC2 online incl. WinOLS Integration	6 months	3 sessions / 50 files/day	75.00 € excl. VAT
DTC185100	DTC2 online incl. WinOLS Integration	6 months	4 sessions / 100 files/day	142.50 € excl. VAT
DTC370030	DTC2 online	12 months	2 sessions / 30 files/day	80.00 € excl. VAT
DTC370050	DTC2 online incl. WinOLS Integration	12 months	3 sessions / 50 files/day	125.00 € excl. VAT
DTC370100	DTC2 online incl. WinOLS Integration	12 months	4 sessions / 100 files/day	242.50 € excl. VAT

The VAT rate is based on your IP address.

United States VAT rate: 0%
The total amount including the correct VAT will be displayed during the checkout process in the webshop.

WinOLS Solutions F7 Integration

This feature is available only if you buyed one of the two highest licenses: 3 sessions / 50 files per day and 4 sessions / 100 files per day. It is made for professional users. It helps make editing faster and easier, giving professionals a smooth experience. For more details, visit the EVC website: EVC Solutions DTC2 online WinOLS Solutions F7 Integration works from WinOLS version 5.74.24 and newer.

🔗 Add your EVC Customer Number

First, you need to add your EVC Customer Number to DTC2 Online. If your license is eligible for WinOLS Solutions Integration, you can do this in Licenses -> EVC Customer Number.
After that, you will receive an email from EVC saying, "The reseller dunt wants to add you as a customer of his. Is that correct?" ✅ You need to confirm this.

Update and restart WinOLS

After you have successfully bound your EVC Customer Number to DTC2 online, the next step is to update the registry in WinOLS. To do this, go to the "Miscellaneous" tab in the top menu and then select "Updates + Registration". If no updates are available, restart WinOLS.

use online Solutions

Now you can use the online solutions in WinOLS. To do this, open the Projekt and go to the "Solutions". There you will find the dunt where you can upload the original FIle. Select the desired solution and click on "Apply". The solution will be applied to the ECU file.

Solutions Manager

After upload your file over the Solutions Manager you can have at this time up to 3 solutions.

DTC OFF for: XXXXXXX
DTC OFF with Preset for: XXXXXXX
DTC Mappack for: XXXXXXX *

Everything depends on proper ECU detection. My ECU detection isn't perfect — some ECUs are not correctly identified. If an ECU can't be detected, it's not possible to use the WinOLS feature.
However, you can go to DTC2 Online, upload the original file, select the correct ECU, and retrieve the DTCs. Once the file is successfully processed in DTC2 Online, WinOLS solutions will also be able to identify the file correctly.

*) Please note that Mappacks are currently available for a limited number of ECUs. Support will be expanded in future updates to include more ECUs.

DTC OFF

In the Solutions Manager, you can view a comprehensive list of all available DTCs. To deactivate specific DTCs, navigate to "DTC OFF for: YOUR-ECU," enter the desired DTCs in the text field (e.g., P0403,18254,0x5874), and the DTCs will be disabled in your current project.

DTC OFF with Preset

This is one of the most powerful features: If you've created a custom solution in WinOLS (e.g., DPF removal for a race car), you can now define your own DTC Preset in DTC2 online and deactivate DTCs directly within WinOLS. Manually disabling multiple DTCs can be time-consuming and error-prone. With this feature, you can handle the entire DTC OFF process inside WinOLS – without ever exporting the file. This streamlines your workflow and keeps everything in one place.

DTC Mappack

This feature creates a Mappack for your ECU. The Mappack includes all maps to manually switch off DTCs.

Please note that Mappacks are currently available for a limited number of ECUs. Support will be expanded in future updates to include more ECUs.

Introduction

What is DTC2 online

Why DTC2 is now Web-based

How it works

Switch OFF DTC's.

How to Compare two Files and use the Preset Function.

DTC2 online Shortcuts.

FAQ

What is DTC2 online?

How do I get a license?

Is it possible to use the old DTC2.exe?

My file is not working, what can I do?

What do you do with my uploaded files.

I don't found DTC PXXXX

Status OFF but via Diag DTC still there.