ECU AND TCU FILE SERVICE
Alientech KESS3 Slave.
KESS3 Slave for users who want the same hardware route with encrypted file handling, simpler onboarding and files tuned by ACE. International quote handling, shipping support and direct after-sales contact.
Direct quote path for international buyers.
What you get
- Help choosing the right version
- Direct quote and shipping route
- After-sales follow-up
Built for users, resellers and direct buyers.
Device view

Alientech KESS3
KESS3 with direct sales support, shipping help and ACE file-service backup.
What this tool covers
Coverage and methods
- Official KESS3 platform methods: OBD, Bench and Boot.
- Single hardware route for ECU and TCU programming.
- Car-LCV package shown here is the OBD-Bench-Boot bundle path.
- Official protocol coverage is updated by Alientech over time.
Why buy through ACE
The device matters, but the real value comes from how quickly you can turn reads and writes into paid client work.
That is why ACE pairs the hardware with tuned files, support and a file-service route already built for repeat business.
Why this version
Why this version
- Best when you want access to the tool while files stay tuned by ACE
- Useful when simpler onboarding matters more than full workflow control
- Good for adding tuning intake while modified-file support stays with our file service
Device line
Alientech KESS3 is built for users who want a serious route into ECU and TCU tool ownership, not a throwaway add-on.
KESS3 combines OBD, Bench and Boot access in one device, designed for wide ECU and TCU coverage and a clean professional workflow from one hardware platform.
Indicative pricing
KESS3 Master
Hardware plus Car-LCV OBD-Bench-Boot bundle.
KESS3 Slave
Hardware plus Car-LCV OBD-Bench-Boot bundle.
Why buy through ACE
Why buy through ACE
- Help deciding between Master and Slave before you spend money
- Direct WhatsApp or email route for quote, stock check and delivery details
- International sales path aimed at users in the UK, Europe and Canada
- ACE already runs a top-tier tuning-file service, so the sale is backed by real day-to-day support and not only by a checkout
Send with your quote request
- Alientech KESS3 Slave
- Destination country and company name
- If you also need setup help after delivery