ALIENTECH KESS V3 ECU and TCU Programmer Multi-language
Check KESS3 Vehicle List
New customers enjoy 1-year free software subscription.
1. All in One-OBD, Bench and Boot Mode.
KESS3 combines 3 operating modes in one tool. OBD, Bench and Boot Mode. Configure it according to your needs and your work. Whatever your level and experience in remapping, KESS3 gives you the best.
OBD - With the OBD mode, you can easily access all the ECU data through the diagnostic socket.
BENCH - A simple interface to the connector and you have complete access to the data of your ECU.
BOOT - This mode allows you to access all system data areas. Read, Write and Clone.

2. The CPU
The most powerful microprocessor on the market. 7 times more powerful than the previous generation. Pure power that can execute your commands reliably, faster and more efficiently.
3. Lines of Communication
KESS3 automatically and instantly recognizes the right communication line, to work faster, using only an OBD cable. Ethernet, FlexRay, CAN Bus, K-Line, L-line, J1850, J1708.
All the essential lines to start any operation inside the vehicle in total safety.
4. Projected towards the Future.
GPS, Accelerometer, Bluetooth, and Wi-Fi. All embedded in one platform.
The combination of these features and the constant technological developments that distinguish us will allow us to develop many new functions in the future.
5. High Performance
The renewed USB Full speed chip allows an up to 10x increase in the performance of importing and exporting files to and from the KESS3.
But not only that, Alientech added a new web infrastructure to the new KESS3.
The result being, an Alientech cloud with improved speed and performance.
6. Multi-language Support
Supported Language: English, Italian, French, German, Spanish, Portuguese, Chinese, Polish, Russian.
7. Free update DTC feature (Detect, reset error codes, special functions)
8. Supports Datalogger feature
Monitor ECU parameters in real time via OBD, select the signals you need, and analyse them with precision. All data is automatically stored in the Dashboard, ready to be reviewed, compared, or shared.
✅ Up to 5 parameters monitored simultaneously
✅ Numerical and graphical data visualisation
✅ Thresholds and markers during the test
✅ Repeatable tests thanks to integrated GPS (position, speed, altitude)
✅ Already included in your KESS3 subscription
No additional tools required. Just connect and start testing.

*One-year hardware warranty, no return or refund.
*For any product questions, you can contact the official website technology directly.
*If buy the device from us, you can only activate license/sub. from us. You cannot buy license from other distributors. Vise versa.
*When the subscription expires, your tool still works. But without the latest software updates and online support from Alientech.
KESS3 Subscription New Policy
All subscriptions will now be valid for 12 months and will be available in only 3 types:
MASTER
Early Renewal -€990 (Renew while your current subscription is still active (before expiry). The new 12-month period starts from your original expiry date. You lose no days of usage. Lowest price.)
Renewal - €1,190 (Your subscription has expired, but less than 12 months have passed.The new 12-month period starts from the day you renew. Any gap between expiry and renewal is automatically aligned by the system.)
Reactivation (after more than 12 months inactive) - €1,390 (Your subscription has been inactive for more than 12 months. The new 12-month period starts from the reactivation date. Highest price.)
SLAVE
Early Renewal -€490
Renewal -€590
Reactivation (after more than 12 months inactive) - €690
All subscription scenarios are now covered by the above three options. No other types will exist.
VERSIONS: Master or Slave
Master or Slave? Buy what you need
The Master version can manage the SLAVE version.
The SLAVE version cannot modify files, it can only read and write files. Only the Master version can modify files.
A single flexible device that can be configured as required, when the tool is initialized, you can choose the mode of operation.
MASTER - The configuration that allows you to edit software calibrations in a completely autonomous way. The read files can be interpreted by your choice of remapping software.
SLAVE: If you are not confident yet or sufficiently autonomous in editing software calibrations, thanks to this mode you can work with a network of trainers who will support you file requirements.
DEALER-NETWORK: If you intend to create your own slave network of tuners, you will have a reliable and easy to use tool.
If you buy slave version and want upgrade to Master version, you can just pay for the price difference and get upgraded.
License you can buy:( You need buy any of those license to works together with your KESS V3 hardware. If you need buy more than one license, you can contact our customer service to get discounts)
Licensing
When purchasing the device, at least one software protocol is required. The basic version cannot function without licenses and is not sold separately! Upon purchasing a protocol you will recieve software updates and free technical support and for a year. In the future, the subscription is renewed for an annual fee.
|
Kess3 Master Protocol Activations |
| · KESS3 Master – Car – LCV OBD Protocols activation |
| · KESS3 Master – Bike – ATV & UTV OBD Protocols activation |
| · KESS 3 Master – Agriculture – Truck & Buses OBD Protocols activation |
| · KESS3 Master – Marine & PWC OBD Protocols activation |
| · KESS 3 Master – Car – LCV Bench-Boot Protocols activation |
| · KESS3 Master – Bike – ATV & UTV Bench-Boot Protocols activation |
| · KESS 3 Master – Agriculture – Truck & Buses Bench-Boot Protocols activation |
| · KESS3 Master – Marine & PWC Bench-Boot Protocols activation |
| · KESS3 Master – 12 Months Subscription |
|
Kess3 Slave Protocol activations |
| · KESS3 Slave – Car – LCV OBD Protocols activation |
| · KESS3 Slave – Bike – ATV & UTV OBD Protocols activation |
| · KESS 3 Slave – Agriculture – Truck & Buses OBD Protocols activation |
| · KESS3 Slave – Marine & PWC OBD Protocols activation |
| · KESS 3 Slave – Car – LCV Bench-Boot Protocols activation |
| · KESS 3 Slave – Bike – ATV & UTV Bench-Boot Protocols activation |
| · KESS3 Slave – Agriculture – Truck & Buses Bench-Boot Protocols activation |
| · KESS 3 Slave – Marine & PWC Bench-Boot Protocols activation |
| · KESS 3 Slave –12 Months Subscription |
Optional ECM TITANIUM Software
Resilience and Durability for your workshop.
KESS3 case design is completely new. Alientech has provided added value by researching and incorporating the best usable materials. Designed to offer you versatile and rugged mobility, thanks to the durability of the materials. KESS 3 is built around a fiberglass shell which gives it lightness and flexibility. An ergonomic shell, resistant to shocks and vibrations.
An exceptionally strong tool that can be taken anywhere.

Alientech Suite – NEW Software.
Such an advanced new hardware inspired Alientech to design software that would take full advantage of its potential. A completely redesigned and new operating suite, in design and architecture.
Advantages:
NEW DESIGN
New look, clean design, everything you need at your fingertips. Updated regularly to be functional, usable and easy.
USER EXPERIENCE
A completely renewed UX. An intuitive dashboard with improved access to the vehicle list with the ability to create a list of favorite vehicles and a view of the history of vehicles already interfaced.
COMPATIBILITY LIST
List of protocols and vehicles updated daily and always available online www.alientech-tools.com/vehicles. Technical instruction available in multi-language to support users during the most complex operations.
PERFORMANCE
The new interactive "search" function will allow you to access the vehicle list or search for the microprocessor of your ECU in a few seconds.
Downloading and updating the list are now instant.
SUPPORT
Direct access to the Alientech help desk and all development news.

Personalize your custom KESS V3.
Alientech gives a flexible solution that best suits your business requirements. You can choose the right configuration for you, based on your job today or what you may require tomorrow.
VERSIONS: Master or Slave according to your needs.
TYPE OF VEHICLES: Communication protocols divided into packages by type of vehicle.
Choose from the Car, Motorcycle, Truck / Tractor and Marine world packages.
COMMUNICATION METHODS: OBD, BOOT and BENCH connection from KESS3 to the control unit.
KESS3 Update Log:
Mar. 2026
Support ECU -Bosch MD1CS069
Mar. 2026
Update Bench protocol for Ford Continental SID212 ECUs.
Jan. 2026
Adds GM AC Delco E84 ECM on bench mode.
Adds GM Delco E67 ECM in Boot mode.
Adds Ford EMS2910 / EMS2916 ECUs via OBD.
Dec. 2025
Adds Ford Ford Ranger, Transit, Transit Custom, Volkswagen Amarok 2022- SID213 ECU via OBD.
Nov. 2025
Adds Renault, Nissan, Opel Continental Vitesco SID321 ECU via OBD, Bench or boot.
Adds 2017 up Ford Bosch MD1CS005,MD1CP006, MD1CP061, MD1CP062, MD1CS025,MD1CS027,MG1CS016 GEN II,MG1CS040, MG1CS055,MG1CS060 ECUs via OBD.
Sep. 2025
Adds VW Audi Continental Simos 19.3 and Simos 19.6 ECUs.
Aug. 2025
Adds Porsche ZF PDK2 2018 to 2025 protocol in boot mode.
Adds Skoda and Volkswagen 1.0/1.5 MP1 2018- MG1CA811 ECU on bench mode.
April 2025
Support for ZF8HP55, 7DCT300, and VGS-NAG3 TCU on bench.
March. 2025
Adds Renault/ Dacia/ Nissan/ Mitsubishi Continental ECUs EMS3140, EMS3141, EMS3161 (2016–2024) Read and write via OBD & BENCH.
Add VAG 2019-2025 VAG Bosch MD1CS004 ECU via OBD VR.
Dec. 2024
Add Opel, Nissan, Renault Continental Vitesco SID321 ECU (OBD and Bench mode)
Nov. 2024 Adds following ECU/TCU
• Denso GEN IV R7F702002 V35A-FTS
• Bosch EDC17C69
• Delco E78, E80, E98
• Bosch MED17.8.10
• Hitachi BED500-310
• Siemens D32
• Denso N3S2
• Mitsubishi PAH9, PV10, PYFA
• Bosch EDC16C34
• Denso 33920-78LJ, 33920-62S0
• Continental P05150 6F24
• Temic MPS6 Gen III
• Bosch ZF8HP50
V2.09
Adds Delphi DCM3.7AP and Bosch EDC17C81 ECUs from Yale and Hatz vehicles.
Adds JCB – Bosch DCU17CV51.
V2.00
Adds Ford Bosch DCU17PC43 ECUs reading and writing via OBD
V1.98
Adds Benz Siemens SIM4LKE and Ford Siemens EMS2214 reading, writing and cloning in boot mode
V1.96
Work in ‘BOOT mode’ for tuning and cloning the Delphi DCM7.24 ECUs for the JCB brand.
V1.95
Read, write, and clone directly from the ECU connector of the Denso 112731-5040 and Denso 33910-79JX/57KX ECUs equipped on the most popular models of the Subaru and Suzuki range.
V1.90
Bench remaps on several Benelli, CF Moto, Honda, Kawasaki, Suzuki and Yamaha motorbikes.
Effectively work on Mitsubishi 21175-1124/1125, Denso 32910-10LXX, Denso BXX-8591A-XX, Keihin 38770-MXX, Keihin 38770-MXX-AXX-DXX, Mitsubishi F8T9647X, Denso 32920-41GXX and Delphi MT05.3 ECUs. Create your business in the performance field and beyond, by working all round on the management file of the new supported ECUs.
V1.88
Adds Bosch MG1UA008, Bosch MD1CS018, Bosch EDC17C69, Bosch MEG17.9.77, Bosch ME17.9.21.1, Bosch MG1US008, Bosch MED17.8.21, and Bosch ME17.9.56 ECUs on bench.
V1.87
Reprogram on bench the new heavy-duty vehicles supported, brandded Doosan, Mahindra, Shacman, Volkswagen and Yutong.
Increase your workshop's earning potential in the heavy-duty vehicle field with a comprehensive cloning service on Bosch DCU15C167 installed on Yutong trucks, as well as Continental SID605 ECUs managing Weichai engines of Doosan and Shacman vehicles. Also, work in 'BENCH mode' on Bosch EDC16C8 ECUs equipped on Volkswagen Trucks, and Bosch MD1CC898 fitted on the latest Mahindra trucks.
V1.82
Reprogram via OBD on some models within the Suzuki range with the Bosch MED17.9.63 engine control unit.
V1.81
Work with BENCH and BOOT modes to meet the demands of your customers for compact Bobcat S76 with Bosch EDC17C87 ECU and off-highway JCB Backhoe Loaders with Delphi DCM3.3+ control unit. Repair and optimize the performance of these engines comprehensively, with a focus on fuel consumption reduction. Choose KESS3 with activation for Truck/Tractor BENCH and BOOT protocols and increase your earnings by expanding your business.
Newly supported control units:
Bosch EDC17C87
Delphi DCM3.3+
Ktag vs Kess V2 vs Kess V3

KESS V3 Interface
Compatible operating systems
Optional System Requirements
Alientech Srl does not guarantee the correct functioning of the software on operating systems that are not indicated in the table above.
Environmental conditions
Package List:












