JOHN DEERE · L25 ECU

JOHN DEERE S540 L25 tuning files

JOHN DEERE S540 on the L25: matched, calibrated and delivered with care. The matched variants sit between 238 and 238 HP from the factory. There are 2 distinct variants on file for this combination. Stage 1 and Stage 2 are the safe starting points for this platform. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

Applicable work for the L25 on this vehicle. The available set firms up once the exact engine and software are known.

Engine variants & ECU software

2 distinct variants for the JOHN DEERE S540 on the L25 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
6800 238HP
Engine code
6068HCQ12
Controller brand
PHOENIX
ECU
L25
Stock power
238 HP
ECU SW
SW63226A
ECU HW
RE572040

Variant 2

ECU
Catalog engine
6800 238HP
Engine code
6068HCQ12
Controller brand
PHOENIX
ECU
L25
Stock power
238 HP
ECU SW
SW61885B
ECU HW
RE577140

Related vehicles

Other vehicles built on the L25 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the JOHN DEERE S540 on the L25?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the L25 ECU software on this model?

Yes — the JOHN DEERE S540 on the L25 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.

JOHN DEERE S540 L25 ECU Tuning Files | TuningBay