Cadillac ATS original ECU files
12 original (stock) ECU files for the Cadillac ATS: 4 ECU types and 8 engine versions. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
ECU types in the Cadillac ATS 4
Engine versions 8
All Cadillac ATS files 12
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Cadillac ATS2.0 220hp | Delco E39A3 | 12653997 | 12656454 | 12655821 | €20 · Open |
| Cadillac ATS2.0 270hp | Delco E80 | 12686056 | 12696874 | 12692649 | €20 · Open |
| Cadillac ATS2.0 270hp | Delco E80 | — | — | — | €20 · Open |
| Cadillac ATS2.0 272hp | Delco E80 | — | — | — | €20 · Open |
| Cadillac ATS2.0 275hp | Delco E80 | 12666362 | 12681529 | 12670724 | €20 · Open |
| Cadillac ATS2.0 285hp | Delco E80 | — | — | — | €20 · Open |
| Cadillac ATS3.6 314hp | Delco E82 | — | — | — | €20 · Open |
| Cadillac ATS3.6 470hp | Delco E92 | 12659566 | 12625016 | 12642482 | €20 · Open |
| Cadillac ATS3.6 470hp | Delco E92 | — | — | — | €20 · Open |
| Cadillac ATS3.6 470hp | Delco E92 | — | — | — | €20 · Open |
| Cadillac ATS3.6 470hp | Delco E92 | — | — | — | €20 · Open |
| Cadillac ATS3.6 470hp | Delco E92 | — | — | — | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Tuning for Cadillac ATS — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Cadillac ATS control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Cadillac ATS?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Cadillac ATS (depending on the engine). Upload your read on our file service.