Workshop Stage 1 · custom file
SEAT arona 04C906026BK Stage 1 and Stage 2
Upload your fileSee Stage 1 estimate
Order your engineered file
Three steps. You keep the original read. We return the Stage 1 file after payment.
Read the ECU
Take a full original dump with your tool. Keep that file. Do not send a Stage 1 read.
Upload it here
Upload the original dump with this SW/HW. We confirm the job and the Stage 1 estimate below.
Pay and receive
After payment you download the tuned file from your account. No public download link.
File identity
| Brand | SEAT |
|---|---|
| Model | Arona |
| ECU family | MED17.5.21 |
| ECU tier & credit cost | Tier 3 (modern / TPROT) – Stage 1: 10 credits (80 EUR at workshop rate), Stage 2: 13 credits |
| Software (SW) | 04C906026BK |
| Hardware (HW) | 04C907309AT |
| Read / write protocols | OBD / Bench / Boot |
Engineering notes
- Bosch MED17 / MEVD17: many later software versions are TPROT protected – OBD read may be blocked until the protection is handled on the bench or in boot mode.
- Send the full read from your tool; the file is returned with the same structure your tool expects to write back.
Files built by an engineer on the customer's original read. Upload your original ECU/TCU read exclusively through our secure online upload portal. Tuned files are downloaded directly from your account in under one hour. WhatsApp (+41 77 912 95 41) is dedicated to pre-order technical support and consultation.
Read and write methods
Flash tools recorded for this ECU family — OBD: Alientech KESS3, Autotuner, Magic Motorsport Flex, PCMFlash; bench: Alientech KESS3, Alientech K-TAG, Autotuner, Magic Motorsport Flex; boot: Alientech K-TAG, Autotuner, Magic Motorsport Flex.
OBD
- Alientech KESS3
- Autotuner
- Magic Motorsport Flex
- PCMFlash
Bench
- Alientech KESS3
- Alientech K-TAG
- Autotuner
- Magic Motorsport Flex
Boot
- Alientech K-TAG
- Autotuner
- Magic Motorsport Flex
Bosch MED17 Tricore petrol.
Catalogue for this ECU family. Confirm the protocol in your tool for this exact car before you connect.
Petrol solutions
Stage 1 and Stage 2 calibration.
Stage 1
More HP and Nm on the stock hardware.
Offered on this remap
How the remap works
You upload the original SEAT arona dump on this page with the upload form. We return Stage 1, after payment. You download the tuned file from your account — not a public download.
Stage 1 estimate
No HP/Nm quote is on this page yet. Send the original dump and we confirm figures before you pay.
Related
FAQ
What is software number 04C906026BK?
04C906026BK is listed on MED17.5.21.
What type of ECU is MED17.5.21?
MED17.5.21 is the ECU family recorded for this file on the SEAT arona. The page only names vehicles that appear in the library — it does not guess other applications.
Which tools work on OBD, bench and boot?
Flash tools recorded for this ECU family — OBD: Alientech KESS3, Autotuner, Magic Motorsport Flex, PCMFlash; bench: Alientech KESS3, Alientech K-TAG, Autotuner, Magic Motorsport Flex; boot: Alientech K-TAG, Autotuner, Magic Motorsport Flex. Bosch MED17 Tricore petrol. These are catalogue lists for the ECU family, not a test of this exact car. Confirm the protocol in your tool before you connect.
Do you remap the SEAT arona?
Yes. Upload the original SEAT arona ECU file. Solutions offered: Stage 1 and Stage 2.
Where do I get the original file?
Read the original file from your ECU with your own tool and upload it on our upload page. Your tuned file is usually ready in under one hour. See how it works at ecufilemarket.com/start/.
I already use a remapping file portal. Can you take this job?
Yes. Upload this original dump with the upload form and choose the options you need (Stage 1, ST2, ECO, TCU). We write that job on your read. No dealer contract. Workshop file service: https://ecufilemarket.com/file-service/
Files are released only after payment and a permission check. Do not flash unverified dumps. Road use can be restricted or prohibited. Confirm the law where the vehicle is registered and used before you flash.