KESS3 files · Online · Worldwide
KESS3 tuning files for dealers, worldwide.
Platinum Tune supplies KESS3 tuning files to dealers worldwide. Read the car with your Alientech KESS3 over OBD, on the bench or in boot mode, upload the read to our online dealer portal and download your file when it's ready, wherever you are in the world. The file desk is in the portal when a job needs a conversation.
Not reading with KESS3? See the tools we work with.
KESS3 at a glance
Desk hours| Tool | KESS3 |
|---|---|
| Maker | Alientech |
| With us | A tool we work with |
| Master or slave | Tell us which |
| Reads from | OBD, bench or boot |
| File desk | Monday to Friday, 9am to 8pm; Saturday, 9am to 4pm; Sunday, closed (UK time) |
| ECUs | Car and van, engine and gearbox |
| Service | Online, through the dealer portal |
| Where you work | Anywhere in the world |
| Your dealer rate | Ask on WhatsApp |
What you can order
What can I order from my KESS3 reads?
Performance files
Stage 1 and Stage 2, for cars and vans
Economy files
Set up for steady torque and lower running costs
Gearbox files
DPF, EGR and AdBlue solutions — for off-road and motorsport use only
You're responsible for how a file is used: see clause 4 of our dealer terms.
And much more
Every solution for each ECU family is listed in the portal. Not listed? Ask support in the portal.
Master or slave
Sending reads from a master or a slave KESS3
The job is the same either way: read the car, upload the read, download your file. What changes is who can open the read.
From a master KESS3
- A KESS3 master reads and writes open BIN files and works on its own.
- Save the read exactly as the tool made it, and don't open or change it before you upload.
- If the tool saves more than one file for the car, keep them all and ask the file desk which to upload.
- When your file is ready, write it back with the same tool you read the car with.
From a slave KESS3
- A KESS3 slave works with the master tool it's linked to.
- A slave is linked to one master, and its reads are locked to that master.
- Tell us which master your KESS3 is linked to before you upload anything.
- If it's linked to another supplier, ask us on WhatsApp what moving it involves before you apply.
- Write the file back with the same tool you read the car with.
Not sure which you have? Pick “Not sure” on the application form and we'll check it with you on WhatsApp.
How it works
From your KESS3 read to a file on the car.
The same four steps as every file, all online through the dealer portal, with the file desk in the portal when a job needs a conversation.
Step 1: Apply
A short form. Tell us your tool and how many files you do a month.
Step 2: Add credit
Create your dealer portal login, then top up when you need files.
Step 3: Upload your read
Send the original read from your tool, with the car's details.
Step 4: Download and write
Your calibrated file comes back in the portal. Write it to the car.

What to send with your KESS3 read
- The original read, saved exactly as your KESS3 made it
- Make, model, engine and gearbox
- The ECU, as your tool shows it
- Master or slave
- The protocol activation you read it with: OBD, bench or boot
- The work you want: performance, economy or gearbox
- Anything already changed on the car, hardware or software
Car tuned before? Tell us before you upload, and send the original file if you or the last tuner kept it.
KESS3 in brief
| Maker | Alientech |
|---|---|
| Access modes | OBD, bench, boot |
| Protocols | Added as activations |
| Master | Reads and writes open BIN files |
| Slave | Works with its linked master |
KESS3 slave in our tools shopKESS3 master in our tools shop
In our tools shop, with the dealer price on WhatsApp. Bought a tool from us? We help with training and your first jobs on WhatsApp, or hands-on at Unit 11.
Reviews
What do dealers say about us?
I've had the chance to work with Platinum Tune on more than 10 different cars, and honestly, the results have been consistently impressive.
From the very first car, I noticed the difference — the tunes are clean, smooth, and well-balanced, with great attention to detail. What really stood out to me is that the results weren't just good on one specific car; I experienced the same level of quality across more than 10 vehicles.
After trying them on multiple cars, I can confidently say that the quality and consistency are what impressed me the most. Great work, great results, and definitely a tuner I'd trust with my cars.
Lot of platforms can remap your file and send it back, but rarely you can find someone to follow your process aftersales.I tried these guys several times, they will make sure not you, but your client is highly satisfied. Highly recommended
I’ve been using this company more than 4 years. They are so quick, so good. Never had a problem with the files. Highly recommend for any make of the cars.
More for dealers
Other tools and files
Pages for the other tools we work with, and the rest of the file service.
Tool
Autotuner files
Tuning files from Autotuner reads, and what to send with each one.
See moreTool
Flex files
Tuning files from Flex reads, and what to send with each one.
See moreTool
bFlash files
Tuning files from bFlash reads, and what to send with each one.
See moreTool
PCMflash files
Tuning files from PCMflash reads, and what to send with each one.
See moreTool
CMD Flash files
Tuning files from CMD Flash reads, and what to send with each one.
See moreFiles
Gearbox and TCU files
Files for automatic and dual-clutch gearboxes, uploaded and returned the same way as ECU files.
See moreNew to tuning
New to tuning
What you need before your first file, and how we help.
See moreSwitching
Switching supplier
Keep your tool and your customers. Send us your next car.
See moreTool and maker names are trade marks of their owners. We use them only to say which tool this page is about.
Questions from dealers
What do dealers ask about KESS3 files?
Straight answers. If yours isn't here, ask support in the portal.
Something else? Ask support in the portal
Do you supply tuning files from KESS3 reads?
Yes. KESS3 is one of the tools we work with. Upload the read to the dealer portal and download your file when it's ready, from anywhere in the world. If a job is new to you, tell the file desk in the portal about the car first and we'll confirm it there.
Which ECUs can you do from KESS3 reads?
Engine (ECU) and gearbox (TCU) control units in cars and vans. Which ECUs your KESS3 can read depends on the ECU and on how your tool is set up, so we don't publish a list that might not match yours. Send the make, model and engine, and the ECU as your tool shows it, to support in the portal, and we'll confirm the job before you read the car.
Can I apply with a master or a slave KESS3?
Pick master or slave on the application form, or “Not sure” if you don't know, and we'll confirm on WhatsApp how your KESS3 works with us. A slave's reads are locked to the master it's linked to, so tell us which master that is.
Does a new KESS3 come ready to read cars?
Not on its own. KESS3 hardware ships with no protocols enabled. You add protocol activations, and they decide which vehicle families and access modes the tool can work on. Tell us the cars you see and we'll tell you which ones suit them.
My KESS3 is a slave linked to another supplier. What now?
Ask us on WhatsApp what moving it involves before you apply.
Which file do I upload from my KESS3?
The read exactly as your KESS3 saved it, with the car's details. If the tool saved more than one file for the car, keep them all and ask the file desk which one to upload.
How do I write the file back with my KESS3?
Download it from the dealer portal and write it with the same KESS3 you read the car with.
Can I order gearbox files from a KESS3 read?
Yes, for automatic and dual-clutch gearboxes, where your KESS3 can read the gearbox's control unit (TCU). Tell the file desk which gearbox the car has first. More about gearbox (TCU) files.
How long does a file take?
Files are usually back within 30 minutes during desk hours. File desk hours: Monday to Friday, 9am to 8pm; Saturday, 9am to 4pm; Sunday, closed (UK time).
What files can I order from a KESS3 read?
Performance (Stage 1 and Stage 2), economy and gearbox (TCU) files for cars and vans. Other calibration options: ask support in the portal.
Why don't you show prices?
Every car and ECU is different, so a price list would be wrong for most jobs. Ask on WhatsApp and we'll send your dealer rate.
Last updated
Dealers · Worldwide
Send us your next car.
Apply for a dealer account. Already a dealer? The file desk is in the portal.
Not sure it suits you? Message us on WhatsApp and we'll tell you honestly.
