Alientech KESS3 Slave
$1 200.79
- KESS3 hardware (available in both Master and Slave versions) x1
- 1400K3ALIM power supply unit with 4 detachable international standard plugs x1
- 144300TALI battery power cable x1
- 144300KOBD OBD cable x1
- 144300T104 IDC26-10 flat ribbon cable, multi-colored x1
- 144300T105 IDC26-16 flat ribbon cable, multi-colored x1
- 144300T106 IDC26-26 flat ribbon cable, multi-colored x1
- 144300KBNC multi-pin Bench cable x1
- 144300KTER extension cable set for 144300KBNC Bench cable 26x
- carrying case x1
- 1 year
Introduction to Alientech KESS3 Slave
If you’re looking for an ECU reading & writing device and find the Alientech KESS3 suitable for your needs but don’t have the financial capacity to purchase the KESS3 Master version, or if you’re new to the tuning field and need guidance from a Master, then KESS3 Slave is the ideal choice. This device provides you with a professional-grade reading and writing tool at a cost that fits your needs, especially for those just starting out.
The KESS3 Slave shares the same hardware as the Master version, allowing users to read and write files through three modes: OBD, BENCH, and BOOT. It’s the perfect solution for novice technicians or those with limited experience in ECU tuning. The process is extremely simple: just read the file from the ECU, send it to the Master for modification, and then upload the tuned file back into the ECU – no in-depth technical knowledge is needed to achieve great results.
If you own a chain of workshops or have a large team of technicians and already possess the KESS3 Master, you can also equip your technicians with the Slave version. This helps you expand your business network, improve work efficiency, and even build your own tuning community. KESS3 Slave not only helps you save costs but also strengthens the connection between the Master and your technicians, fostering sustainable growth for your business.
Key Features of Alientech KESS3
Supports reading and writing files for a wide range of ECUs and TCUs
KESS3 supports reading and writing files for various vehicles such as cars, motorcycles, ATVs & UTVs, trucks, buses, construction machines, agricultural equipment, and marine.
Integrated design with three reading and writing modes in a single compact device
-
- OBD Mode (On-Board Diagnostic): Allows reading and writing files directly through the OBD port without opening the ECU.
- Bench Mode: Reads and writes files by directly connecting to the ECU pins without opening the ECU case.
- Boot Mode: Reads and writes ECU files through direct connections on the ECU circuit board. Boot Mode requires opening the ECU.
ECU Identification
The ECU Identification process involves reading the unique identification data stored in the vehicle’s ECU or TCU, including:
- ECU Hardware ID (HW)
- ECU Software ID (SW)
- ECU Software Update ID (SW upg)
- VIN
- Manufacturer and vehicle model information
Automatic Checksum Correction
KESS3 automatically checks and corrects checksum errors during the reading and writing process, ensuring data integrity and accuracy.
Comprehensive instructions for reading and writing files
Detailed instructions are integrated into the AlientechSuite software, accessible when selecting the communication protocol. These instructions provide information about the necessary cables and accessories, connection guidelines, and warnings to ensure proper communication with the desired ECU or TCU.
Multi-Language Support
The Alientech Suite interface supports multiple languages, including English, Italian, French, German, Spanish, Portuguese, Chinese, Polish, and Russian.
III. Technical Specifications
| Thông số kỹ thuật KESS3 | |
| Connection port | DB25 connector |
| Tyco 12 connector | |
| IDC 26 connector | |
| USB 2.0 Type B | |
| Compatible operating systems | Windows 10 and Windows 11, 32-bit or 64-bit editions |
| Minimum system requirements | + RAM: 1 GB for 32-bit OS or 2 GB for 64-bit OS
+ Processor: 1 GHz or faster + Storage: 200 MB + 1 USB port + Latest version of Microsoft Edge + Internet connection + Bluetooth® V4.2 BR/EDR and Bluetooth® LE + Wi-Fi 802.11b/g/n |
| Device weight | Approx. 400g (14.11 oz) |
| Device dimensions: | Approx. 19.7x15x3H cm (7.76×5.91×1.18 in) |
| Suitcase weight (empty) | Approx. 2,75 kg (6,06 lb) |
| Suitcase weight (with tool and accessories) | Approx. 3,9 kg (8,60 lb) |
| Suitcase external dimensions | Approx. 57×14,5x42H cm (22,44×5,71×16,54 inch) |
| Power supply | |
| AC input | 100-240 V, 50/60 Hz |
| DC output | 12,0 V, 4,2 A |
| Weight | Khoảng 220 gam (7,05 oz) |
| External dimensions | Khoảng 14,3x7x6H cm |
| Environmental conditions | |
| Operation temperature range | -10°C/+50°C (14°F/122°F |
| Storage temperature range | -20°C/+70°C (-4°F/158°F) |
| Maximum operation humidity | 60% |
| Operating altitude | max 5.000 m (16.400 ft) |
| Degree of waterproofing | IP X0 |
List of Accessories
| STT | Accessory | Quantity |
| 1 | KESS3 hardware | 1 |
| 2 | Power supply 1400K3ALIM | 1 |
| 3 | Detachable international plug set | 4 |
| 4 | External battery power supply cable 144300TALI | 1 |
| 5 | USB cable 081600USB2 | 1 |
| 6 | OBD cable 144300KOBD | 1 |
| 7 | Rainbow ribbon cable IDC26-10 144300T104 | 1 |
| 8 | Rainbow ribbon cable IDC26-16 144300T105 | 1 |
| 9 | Rainbow ribbon cable IDC26-26 144300T106 | 1 |
| 10 | Multiwire cable 144300KBNC | 1 |
| 11 | Extensions 144300KTER for multiwire cable 144300KBNC | 26 |
| 12 | Suitcase | 1 |
Benefits of Using Alientech KESS3
- Improved design over K-Tag and Kess2 KESS3 comes with stronger hardware and more optimized software compared to previous versions, delivering better performance and faster processing.
- Integrated OBD, Bench, and Boot modes KESS3 combines all three reading and writing modes in one device, offering flexibility and convenience to users. You can read and write ECU file for various vehicles without the need for additional devices.
- Supports a wide range of vehicles KESS3 works with cars, motorcycles, ATVs & UTVs, trucks, buses, construction equipment, agricultural machinery, and boats.
- User-friendly interface The AlientechSuite software is easy to use, even for users without much experience
Warranty Information
- 1-year warranty on KESS3 hardware.
FAQ
1. How to purchase Alientech KESS3?
You can purchase the Alientech KESS3 through our website: https://ecutools.vn/alientech-kess3/
2. What are the differences between the Master and Slave versions?
Master users have full independence, from reading files, editing, to writing files to the ECU without any file encryption. Additionally, the Master can provide tuning services for Slave users, creating an ECU file management system and offering file decryption services for files that the Slave users have read. The Master version is designed for professionals and businesses specializing in tuning who want to establish their own Slave system.
In contrast, Slave users are dependent on their Master. Only the Master can decrypt the files that you have read. This option is recommended for technicians who are new to tuning or entering the tuning field and require support from a Master.
*Some other differences between the Master and Slave versions:
| KESS3 Master – available features and services | ||
| Feature / Service | Free of charges | Upon subscription |
| AlientechSuite software updates | ✔ | ✔ |
| Update of protocols purchased with KESS3 or activated before the subscription expiration date | ✔ | ✔ |
| Activation of new developed protocols | ✖ | ✔ |
| Virtual Reading | ✖ | ✔ |
| Bosch ECU clone – VAG group | ✖ | ✔ |
| ECU clone – other brands | ✔ | ✔ |
| Original file request | ✖ | ✔ |
| Access to the Help Desk Portal | ✔ | ✔ |
| Access to the Encoding Portal * | ✔ | ✔ |
| Access to the KESS3 Backup Management ** | ✖ | ✔ |
*Access to the Encoding Portal is reserved for organizations owning KESS3 Master tool with at least one Slave tool associated.
**Access to this service is subject to the purchase of the corresponding activation.
| KESS3 Slave – available features and services | ||
| Feature / Service | Free of charges | Upon subscription |
| AlientechSuite software updates | ✔ | ✔ |
| Update of protocols purchased with KESS3 or activated before the subscription expiration date | ✔ | ✔ |
| Activation of new developed protocols | ✖ | ✔ |
| Virtual Reading | ✖ | ✔ |
| ECU clone – all brands | ✖ | ✖ |
| Original file request | ✖ | ✖ |
| Access to the Help Desk Portal | ✔ | ✔ |
| Access to the Encoding Portal | ✖ | ✖ |
| Access to the KESS3 Backup Management | ✖ | ✖ |
Does the hardware purchase include the software?
Alientech KESS3 applies separate pricing policies for hardware and software. Therefore, when purchasing the hardware, you need to select additional software packages (protocols) that suit your ECU reading and writing needs. This provides you with the flexibility to choose the necessary features for each type of vehicle and ECU.
Below is a reference list of products that include both software and hardware:
| KESS3 SLAVE | Alientech KESS3 Slave hardware |
| KESS3 Slave – Car – LCV OBD Protocols activation | |
| KESS3 Slave – Bike – ATV & UTV OBD Protocols activation | |
| KESS3 Slave – Agriculture – Truck & Buses OBD Protocols activation | |
| KESS3 Slave – Marine & PWC OBD Protocols activation | |
| KESS3 Slave – Car – LCV Bench-Boot Protocols activation | |
| KESS3 Slave – Bike – ATV & UTV Bench-Boot Protocols activation | |
| KESS3 Slave – Agriculture – Truck & Buses Bench-Boot Protocols activation | |
| KESS3 Slave – Marine & PWC Bench-Boot Protocols activation |
Does the device require an annual update subscription? Can it still be used if not updated?
Alientech KESS3 offers an optional annual update subscription. If you choose not to renew the update package, KESS3 will still function normally for reading and writing ECU programs, without any limitations on the protocols you have previously purchased.
However, subscribing to the annual update package offers many significant benefits for users:
- Always up-to-date software: You will have access to the latest versions of the software and protocols, expanding support for the latest vehicles and ECUs on the market.
- Bug fixes and optimizations: You will receive regular patches and software optimizations, ensuring KESS3 operates smoothly and efficiently.
- Priority technical support: Customers with an active subscription will benefit from priority, in-depth support from Alientech’s expert team. This ensures you receive fast and effective assistance, resolving any technical issues or questions regarding the KESS3 device promptly and professionally.
I own KESS v2 / K-TAG. Can I upgrade to KESS3?
We have designed an attractive trade-in program specifically for customers who own KESSv2 or K-TAG. When you upgrade and replace your KESSv2 and/or K-TAG with KESS3, you will receive an exclusive discount on the new KESS3 configuration. Discover the great discounts available just for you!
Can KESS3 Slave be upgraded to KESS3 Master?
You can upgrade the KESS3 Slave device to the KESS3 Master version. To do this, you will need approval from your current Master and pay the price difference between the two versions. The upgrade will grant you full access and the ability to modify ECU files without having to go through a Master.
However, not all Masters agree to this upgrade. Therefore, before making a decision, you should discuss it thoroughly with your Master to get more information and the necessary support.
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Software
*Please purchase at least 1 software for this product to proceed with payment
Introduction to KESS3 Slave – Bike – ATV & UTV OBD Protocols activation
KESS3 Slave – Bike – ATV & UTV OBD Protocols Activation is an activated software package for users who own the Alientech KESS3 Slave device. This activation package allows users to read and write files via the OBD port on various types of vehicles, including motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles).
With this option, users can easily and quickly read and write flash files through the vehicle’s OBD2 port without the need to remove the ECU. The OBD2 connection enables a fast and straightforward file read-and-write process, making it convenient for both professional technicians and beginners. Additionally, it reduces the risks of ECU damage, ensuring safer tuning and adjustments.
List of Supported Vehicles

KESS3 Slave – Bike – ATV & UTV OBD Protocols Activation package for the KESS3 Slave device supports more than 50 motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) brands, covering numerous vehicle models and various types of ECUs. This is a comprehensive activation package, allowing users to access and modify ECU data across a wide range of vehicles from top manufacturers worldwide.
To look up detailed information on supported vehicles and ECU types for the KESS3 Slave – Bike – ATV & UTV OBD Protocols Activation package, you can visit the official Alientech website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
On this page, you can:
- Search by vehicle brand: Select a specific car manufacturer to view the list of supported models.
- View detailed ECU information: Learn about the types of ECUs that KESS3 Slave supports, helping you identify its read and write capabilities through the OBD mode.
- Stay updated with the latest information: Alientech regularly updates this list, ensuring you always have the latest details on supported vehicles and ECUs.
This lookup page will help you easily determine if the KESS3 Slave supports the vehicle model and ECU type you need to work on, providing maximum support in your research and operations.

Intended Users
KESS3 Slave – Bike – ATV & UTV OBD Protocols Activation package is designed for Alientech KESS3 Slave owners and is particularly suited for:
- Beginners in the tuning industry: Individuals who need a tool to read and write files on motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) via the OBD mode.
- Automotive repair and diagnostics technicians: Professionals who need to read and write flash files from a faulty ECU to a new one.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters quick solution by allowing file access directly via OBD.
- Automotive service centers and garages: Facilities that handle a wide range of vehicles. This activation allows these centers to easily read and write ECU data on various passenger and light commercial vehicles, improving service efficiency and expanding options for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via OBD. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave - Car - LCV OBD Protocols Activation
The KESS3 Slave - Car - LCV OBD Protocols Activation is an activated software package for users who own the Alientech KESS3 Slave device. This activation allows users to read and write files via the OBD mode on passenger cars and light commercial vehicles (LCVs).
With this option, users can easily read and write flash files quickly through the vehicle’s OBD2 port without needing to remove the ECU from the vehicle. Connecting via the OBD2 port allows for a fast and easy flash file reading and writing process, convenient for both professional technicians and beginners. This also minimizes the risk of damaging the ECU.
List of Supported Vehicles

The Car - LCV OBD Protocols Activation package for the KESS3 Slave device supports more than 100 passenger car and light commercial vehicle (LCV) brands, covering numerous vehicle models and various types of ECUs. This is a comprehensive activation package, allowing users to access and modify ECU data across a wide range of vehicles from top manufacturers worldwide.
To look up detailed information on supported vehicles and ECU types for the KESS3 Slave - Car - LCV OBD Protocols Activation package, you can visit the official Alientech website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
On this page, you can:
- Search by vehicle brand: Select a specific car manufacturer to view the list of supported models.
- View detailed ECU information: Learn about the types of ECUs that KESS3 Slave supports, helping you identify its read and write capabilities through the OBD mode.
- Stay updated with the latest information: Alientech regularly updates this list, ensuring you always have the latest details on supported vehicles and ECUs.
This lookup page will help you easily determine if the KESS3 Slave supports the vehicle model and ECU type you need to work on, providing maximum support in your research and operations.

Intended Users
The KESS3 Slave - Car - LCV OBD Protocols Activation package is designed for Alientech KESS3 Slave owners and is particularly suited for:
- Beginners in the tuning industry: Individuals who need a tool to read and write files on passenger cars via the OBD mode.
- Automotive repair and diagnostics technicians: Professionals who need to read and write flash files from a faulty ECU to a new one.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters. They may also need to deactivate certain systems, like DPF, EGR, or SCR, making this package an ideal, quick solution by allowing file access directly via OBD.
- Automotive service centers and garages: Facilities that handle a wide range of vehicles. This activation allows these centers to easily read and write ECU data on various passenger and light commercial vehicles, improving service efficiency and expanding options for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via OBD. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave - Agriculture - Truck & Buses OBD Protocols activation
KESS3 Slave - Agriculture - Truck & Buses OBD Protocols activation is an activated software package for users who own the Alientech KESS3 Slave device. This activation package allows users to read and write files via the OBD port on various types of vehicles, including Agriculture, Truck & Buses.
With this option, users can easily and quickly read and write flash files through the vehicle’s OBD2 port without the need to remove the ECU. The OBD2 connection enables a fast and straightforward file read-and-write process, making it convenient for both professional technicians and beginners. Additionally, it reduces the risks of ECU damage, ensuring safer tuning and adjustments.
List of Supported Vehicles


KESS3 Slave - Agriculture - Truck & Buses OBD Protocols activation package for the KESS3 Slave device supports more than 200 Agriculture, Truck & Buses brands, covering numerous vehicle models and various types of ECUs. This is a comprehensive activation package, allowing users to access and modify ECU data across a wide range of vehicles from top manufacturers worldwide.
To look up detailed information on supported vehicles and ECU types for the KESS3 Slave - Agriculture - Truck & Buses OBD Protocols activation package, you can visit the official Alientech website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
On this page, you can:
- Search by vehicle brand: Select a specific car manufacturer to view the list of supported models.
- View detailed ECU information: Learn about the types of ECUs that KESS3 Slave supports, helping you identify its read and write capabilities through the OBD mode.
- Stay updated with the latest information: Alientech regularly updates this list, ensuring you always have the latest details on supported vehicles and ECUs.
This lookup page will help you easily determine if the KESS3 Slave supports the vehicle model and ECU type you need to work on, providing maximum support in your research and operations.

Intended Users
KESS3 Slave - Agriculture - Truck & Buses OBD Protocols activation package is designed for Alientech KESS3 Slave owners and is particularly suited for:
- Beginners in the tuning industry: Individuals who need a tool to read and write files on Agriculture, Truck & Buses via the OBD mode.
- Automotive repair and diagnostics technicians: Professionals who need to read and write flash files from a faulty ECU to a new one.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters quick solution by allowing file access directly via OBD.
- Automotive service centers and garages: Facilities that handle a wide range of vehicles. This activation allows these centers to easily read and write ECU data on various passenger and light commercial vehicles, improving service efficiency and expanding options for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via OBD. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to Slave - Marine & PWC OBD Protocols Activation
KESS3 Slave - Marine & PWC OBD Protocols Activationis an activated software package for users who own the Alientech KESS3 Slave device. This activation package allows users to read and write files via the OBD port on various types of vehicles, including Marine & PWC.
With this option, users can easily and quickly read and write flash files through the vehicle’s OBD2 port without the need to remove the ECU. The OBD2 connection enables a fast and straightforward file read-and-write process, making it convenient for both professional technicians and beginners. Additionally, it reduces the risks of ECU damage, ensuring safer tuning and adjustments.
List of Supported Vehicles

KESS3 Slave - Marine & PWC OBD Protocols Activation package for the KESS3 Slave device supports Marine & PWC brands, covering numerous vehicle models and various types of ECUs. This is a comprehensive activation package, allowing users to access and modify ECU data across a wide range of vehicles from top manufacturers worldwide.
To look up detailed information on supported vehicles and ECU types for the KESS3 Slave - Marine & PWC OBD Protocols Activation package, you can visit the official Alientech website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
On this page, you can:
- Search by vehicle brand: Select a specific car manufacturer to view the list of supported models.
- View detailed ECU information: Learn about the types of ECUs that KESS3 Slave supports, helping you identify its read and write capabilities through the OBD mode.
- Stay updated with the latest information: Alientech regularly updates this list, ensuring you always have the latest details on supported vehicles and ECUs.
This lookup page will help you easily determine if the KESS3 Slave supports the vehicle model and ECU type you need to work on, providing maximum support in your research and operations.

Intended Users
KESS3 Slave - Marine & PWC OBD Protocols Activation package is designed for Alientech KESS3 Slave owners and is particularly suited for:
- Beginners in the tuning industry: Individuals who need a tool to read and write files on Marine & PWC via the OBD mode.
- Automotive repair and diagnostics technicians: Professionals who need to read and write flash files from a faulty ECU to a new one.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters quick solution by allowing file access directly via OBD.
- Automotive service centers and garages: Facilities that handle a wide range of vehicles. This activation allows these centers to easily read and write ECU data on various passenger and light commercial vehicles, improving service efficiency and expanding options for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via OBD. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave - Bike - ATV & UTV Bench - Boot Protocols Activation
KESS3 Slave- Bike - ATV & UTV Bench - Boot Protocols Activation is a specialized software package designed specifically for users who own the Alientech KESS3 Slavedevice. This activation package allows users to accurately read and write files through Bench and Boot mode (open ECU) on motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles).
With this option, you can easily read and write files through Bench-Boot mode, allowing direct access to the ECU's memory (including Micro, Flash, and EEPROM). This direct access not only ensures higher accuracy but also provides more comprehensive data compared to reading through the OBD method.
The Bench-Boot method is particularly useful for complex ECUs, especially modern ECUs with high-level anti-copy and anti-tamper protection, making it inaccessible through OBD mode. Notably, using Bench-Boot also facilitates easy recovery of original data in the event of any interruptions during file reading or writing, ensuring the integrity and safety of the ECU.
List of Supported Vehicles

KESS3 Slave- Bike - ATV & UTV Bench - Boot Protocols Activation package for the KESS3 Slavedevice supports a wide range of motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles), covering numerous vehicle models and various types of ECUs. This comprehensive activation package provides users with the capability to access and manipulate ECU data across motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) from many of the world's major manufacturers.
To look up information about the motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) models and ECU types supported by KESS3 Slave- Bike - ATV & UTV Bench - Boot Protocols Activation, you can visit Alientech’s official website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
Here, you can:
- Search by vehicle brand: Choose a specific car brand to see the supported models.
- View detailed ECU information: Look up the specific ECU types that KESS3 Slavesupports, giving you insight into its direct read and write capabilities through Bench-Boot mode.
- Stay updated with the latest information: This list is regularly updated by Alientech, ensuring you always have the most current details on supported vehicles and ECUs.
This lookup page will help you easily determine if KESS3 Slavesupports the vehicle model and ECU type you need to work on, maximizing your work efficiency.

Intended Users
KESS3 Slave- Bike - ATV & UTV Bench - Boot Protocols Activation package is an option for customers who own the Alientech KESS3 Slavedevice. This activation package is ideal for the following customer groups:
- Beginners in the tuning industry: Those who are new to the tuning field and seek a device capable of reading and writing files specifically for motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) through Bench-Boot mode..
- Automotive repair and diagnostics technicians: Professionals who work with motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) needing to read and write files from faulty ECUs to new ones for replacement purposes.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters.
- Automotive service centers and garages: Facilities that serve a wide range of vehicles. Utilizing this activation package allows service centers to read and write files on ECUs for various motorcycles (Bike), ATVs (All-Terrain Vehicles), and UTVs (Utility Task Vehicles) helping to improve efficiency and diversify service offerings for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via Bench-Boot mode. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave - Car - LCV Bench-Boot Protocols Activation
KESS3 Slave - Car - LCV Bench-Boot Protocols Activation is a specialized software package designed specifically for users who own the Alientech KESS3 Slave device. This activation package allows users to accurately read and write files through Bench and Boot mode (open ECU) on passenger cars and light commercial vehicles (LCVs).
With this option, you can easily read and write files through Bench-Boot mode, allowing direct access to the ECU's memory (including Micro, Flash, and EEPROM). This direct access not only ensures higher accuracy but also provides more comprehensive data compared to reading through the OBD method.
The Bench-Boot method is particularly useful for complex ECUs, especially modern ECUs with high-level anti-copy and anti-tamper protection, making it inaccessible through OBD mode. Notably, using Bench-Boot also facilitates easy recovery of original data in the event of any interruptions during file reading or writing, ensuring the integrity and safety of the ECU.
List of Supported Vehicles

The KESS3 Slave - Car - LCV Bench-Boot Protocols Activation package for the KESS3 Slave device supports a wide range of passenger cars and light commercial vehicles (LCVs), covering numerous vehicle models and various types of ECUs. This comprehensive activation package provides users with the capability to access and manipulate ECU data across passenger cars and light commercial vehicles (LCVs) from many of the world's major manufacturers.
To look up information about the passenger cars and light commercial vehicles (LCVs) models and ECU types supported by KESS3 Slave - Car - LCV Bench-Boot Protocols Activation, you can visit Alientech’s official website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
Here, you can:
- Search by vehicle brand: Choose a specific car brand to see the supported models.
- View detailed ECU information: Look up the specific ECU types that KESS3 Slave supports, giving you insight into its direct read and write capabilities through Bench-Boot mode.
- Stay updated with the latest information: This list is regularly updated by Alientech, ensuring you always have the most current details on supported vehicles and ECUs.
This lookup page will help you easily determine if KESS3 Slave supports the vehicle model and ECU type you need to work on, maximizing your work efficiency.

Intended Users
KESS3 Slave - Car - LCV Bench-Boot Protocols Activation package is an option for customers who own the Alientech KESS3 Slave device. This activation package is ideal for the following customer groups:
-
- Beginners in the tuning industry: Those who are new to the tuning field and seek a device capable of reading and writing files specifically for passenger cars and light commercial vehicles (LCVs) through Bench-Boot mode..
- Automotive repair and diagnostics technicians: Professionals who work with passenger cars and light commercial vehicles (LCVs) needing to read and write files from faulty ECUs to new ones for replacement purposes.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters.
-
Automotive service centers and garages: Facilities that serve a wide range of vehicles. Utilizing this activation package allows service centers to read and write files on ECUs for various passenger cars and light commercial vehicles (LCVs), helping to improve efficiency and diversify service Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via Bench-Boot mode. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave- Agriculture - Truck & Buses Bench - Boot Protocols Activation
KESS3 Slave- Agriculture - Truck & Buses Bench - Boot Protocols Activation is a specialized software package designed specifically for users who own the Alientech KESS3 Slavedevice. This activation package allows users to accurately read and write files through Bench and Boot mode (open ECU) on Agriculture, Truck & Buses.
With this option, you can easily read and write files through Bench-Boot mode, allowing direct access to the ECU's memory (including Micro, Flash, and EEPROM). This direct access not only ensures higher accuracy but also provides more comprehensive data compared to reading through the OBD method.
The Bench-Boot method is particularly useful for complex ECUs, especially modern ECUs with high-level anti-copy and anti-tamper protection, making it inaccessible through OBD mode. Notably, using Bench-Boot also facilitates easy recovery of original data in the event of any interruptions during file reading or writing, ensuring the integrity and safety of the ECU.
List of Supported Vehicles

KESS3 Slave- Agriculture - Truck & Buses Bench - Boot Protocols Activation package for the KESS3 Slave device supports a wide range of Agriculture, Truck & Buses, covering numerous vehicle models and various types of ECUs. This comprehensive activation package provides users with the capability to access and manipulate ECU data across Agriculture, Truck & Buses from many of the world's major manufacturers.
To look up information about the Agriculture, Truck & Buses models and ECU types supported by KESS3 Slave- Agriculture - Truck & Buses Bench - Boot Protocols Activation, you can visit Alientech’s official website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
Here, you can:
- Search by vehicle brand: Choose a specific car brand to see the supported models.
- View detailed ECU information: Look up the specific ECU types that KESS3 Slave supports, giving you insight into its direct read and write capabilities through Bench-Boot mode.
- Stay updated with the latest information: This list is regularly updated by Alientech, ensuring you always have the most current details on supported vehicles and ECUs.
This lookup page will help you easily determine if KESS3 Slave supports the vehicle model and ECU type you need to work on, maximizing your work efficiency.
Intended Users
KESS3 Slave- Agriculture - Truck & Buses Bench - Boot Protocols Activation package is an option for customers who own the Alientech KESS3 Slave device. This activation package is ideal for the following customer groups:
- Beginners in the tuning industry: Those who are new to the tuning field and seek a device capable of reading and writing files specifically for Agriculture, Truck & Buses through Bench-Boot mode..
- Automotive repair and diagnostics technicians: Professionals who work with Agriculture, Truck & Buses needing to read and write files from faulty ECUs to new ones for replacement purposes.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters.
- Automotive service centers and garages: Facilities that serve a wide range of vehicles. Utilizing this activation package allows service centers to read and write files on ECUs for various Agriculture, Truck & Buses helping to improve efficiency and diversify service offerings for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via Bench-Boot mode. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
Introduction to KESS3 Slave - Marine & PWC OBD Protocols Activation
KESS3 Slave - Marine & PWC OBD Protocols Activation is a specialized software package designed specifically for users who own the Alientech KESS3 Slave device. This activation package allows users to accurately read and write files through Bench and Boot mode (open ECU) on various marine engines and personal watercraft (PWC).
With this option, you can easily read and write files through Bench-Boot mode, allowing direct access to the ECU's memory (including Micro, Flash, and EEPROM). This direct access not only ensures higher accuracy but also provides more comprehensive data compared to reading through the OBD method.
The Bench-Boot method is particularly useful for complex ECUs, especially modern ECUs with high-level anti-copy and anti-tamper protection, making it inaccessible through OBD mode. Notably, using Bench-Boot also facilitates easy recovery of original data in the event of any interruptions during file reading or writing, ensuring the integrity and safety of the ECU.
List of Supported Vehicles
The KESS3 Slave - Marine & PWC Bench-Boot Protocols activation package for the KESS3 Slave device supports a wide range of marine engines and watercraft, covering numerous vehicle models and various types of ECUs. This comprehensive activation package provides users with the capability to access and manipulate ECU data across marine engines from many of the world's major manufacturers.
To look up information about the marine engine models and ECU types supported by KESS3 Slave - Marine & PWC Bench-Boot Protocols activation, you can visit Alientech’s official website at the following link:
Supported Vehicles List by Alientech KESS3
https://www.alientech-tools.com/vehicles/
Here, you can:
- Search by vehicle brand: Choose a specific car brand to see the supported models.
- View detailed ECU information: Look up the specific ECU types that KESS3 Slave supports, giving you insight into its direct read and write capabilities through Bench-Boot mode.
- Stay updated with the latest information: This list is regularly updated by Alientech, ensuring you always have the most current details on supported vehicles and ECUs.
This lookup page will help you easily determine if KESS3 Slave supports the vehicle model and ECU type you need to work on, maximizing your work efficiency.
Intended Users
KESS3 Slave - Marine & PWC Bench-Boot Protocols activation package is an option for customers who own the Alientech KESS3 Slave device. This activation package is ideal for the following customer groups:
- Beginners in the tuning industry: Those who are new to the tuning field and seek a device capable of reading and writing files specifically for marine engines and watercraft through Bench-Boot mode..
- Automotive repair and diagnostics technicians: Professionals who work with marine engines and watercraft needing to read and write files from faulty ECUs to new ones for replacement purposes.
- Tuning professionals: Experts focused on enhancing vehicle performance, such as increasing engine power, improving fuel efficiency, or adjusting engine and drivetrain parameters.
- Automotive service centers and garages: Facilities that serve a wide range of vehicles. Utilizing this activation package allows service centers to read and write files on ECUs for various marine engines and watercraft, helping to improve efficiency and diversify service offerings for customers.
Subscription Period
Once activated, the protocol can be used immediately and includes one year of free updates. During this period, users will receive the latest updates from Alientech, including added support for new vehicle models or ECU improvements. After the first year, users have the option to renew the update subscription annually to continue receiving updates. This ensures their device always has access to the latest protocols and functionality for the newest vehicle models and ECUs.
If the user decides not to renew the update subscription, the device will still operate with all previously available ECU read and write functions via Bench-Boot mode. However, they will no longer receive new updates, meaning the device will not support any new ECUs or features added after the subscription expires.
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