Workshop Stage 1 · custom file
Ford transit CK4A-12B684-AC Stage 1 and Stage 2
Upload your fileSee Stage 1 estimate
Ford transit power
Stock output is 170 HP / 405 Nm. A typical Stage 1 remap is 200 HP / 450 Nm. That is typically +30 HP and +45 Nm. Stage 1 results in the catalogue sit between 190 and 200 HP.
Stock vs Stage 1 (estimate)
- Stock HP
- Stock Nm
- Stage 1 HP
- Stage 1 Nm
Illustrative curves scaled to catalogued peaks — not a measured dyno of this car.
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 | Ford |
|---|---|
| Model | Transit |
| ECU family | SID209 |
| ECU tier & credit cost | Tier 2 (standard) – Stage 1: 8 credits (64 EUR at workshop rate), Stage 2: 11 credits |
| Software (SW) | CK4A-12B684-AC |
| Hardware (HW) | 280907AA |
| Read / write protocols | OBD / Bench / Boot |
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; 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
Bench
- Alientech KESS3
- Alientech K-TAG
- Autotuner
- Magic Motorsport Flex
Boot
- Alientech K-TAG
- Autotuner
- Magic Motorsport Flex
Siemens/Continental SID diesel. SID803/SID310 often leave OBD after a failed write — bench or boot is the recovery path.
Catalogue for this ECU family. Confirm the protocol in your tool for this exact car before you connect.
Diesel solutions
Stage 1
More HP and Nm on the stock hardware.
Offered on this remap
How the remap works
You upload the original Ford transit 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. Original virgin dumps belong on ecuflashfiles.com.
Stage 1 estimate you can order
Catalogue estimate for this engine family. The tuner can set the exact HP/Nm on the list.
Typical gain +30 HP / +45 Nm. Not a measured dyno of your car.
Related
FAQ
What is software number CK4A-12B684-AC?
CK4A-12B684-AC is listed on SID209.
What type of ECU is SID209?
SID209 is the ECU family recorded for this file on the Ford transit. 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; bench: Alientech KESS3, Alientech K-TAG, Autotuner, Magic Motorsport Flex; boot: Alientech K-TAG, Autotuner, Magic Motorsport Flex. Siemens/Continental SID diesel. SID803/SID310 often leave OBD after a failed write — bench or boot is the recovery path. 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 Ford transit?
Yes. Upload the original Ford transit ECU file. Solutions offered: Stage 1 and Stage 2.
Where do I get the original file?
Instant original ECU dumps, OEM backups and bin files, when they exist, are sold on ecuflashfiles.com. This site only returns a custom chiptuning file after you upload your original dump.
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/
How much power does Stage 1 add?
Stock output is 170 HP / 405 Nm. A typical Stage 1 remap is 200 HP / 450 Nm. That is typically +30 HP and +45 Nm. Stage 1 results in the catalogue sit between 190 and 200 HP. Source: ECU family typical. The graph is drawn from these peaks; it is not a measured dyno of this exact car.
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. Power figures and the dyno graph are catalogued peaks, not a measured run of your car. Tool lists are family-class catalogue entries, not a guarantee that every protocol is open on this vehicle.