John Deere · vehicle model

John Deere CTS original ECU files

3 original (stock) ECU files for the John Deere CTS: 2 ECU types and 3 engine versions. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.

3files
2ECU types
3engines
2HW numbers
2SW numbers

ECU types in the John Deere CTS 2

Engine versions 3

8.1 275hp 26.5 280hp 18.1 305hp 1

All John Deere CTS files 3

VehicleECUHWSWCalibration / upgrade
John Deere CTS6.5 280hp Phoenix L33 — — — €20 · Open
John Deere CTS8.1 275hp · 6081HH003 Phoenix L3 RE66614 SW50078A 6081046135 €20 · Open
John Deere CTS8.1 305hp · 6081HH004 Phoenix L3 RE502404 SW50226A 6081079460 €20 · Open

All hardware, software and calibration numbers

Find the number from your ECU read (Ctrl+F) and open the matching file.

Hardware (HW) · 2

Software (SW) · 2

Calibration / SW upgrade · 3

Need a modified file?

Tuning for John Deere CTS — 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 John Deere CTS 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 John Deere CTS?

Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for John Deere CTS (depending on the engine). Upload your read on our file service.

Other John Deere models