Variant 1
ECU- Catalog engine
- 6800 238HP
- Engine code
- 6068HCQ05
- Controller brand
- PHOENIX
- ECU
- L14-L15
- Stock power
- 238 HP
- ECU SW
- SW60267F
- ECU HW
- RE531808
JOHN DEERE · L14-L15 ECU
JOHN DEERE S540 L14-L15 tuning files
JOHN DEERE S540 on the L14-L15: matched, calibrated and delivered with care. Stock output across the matched variants spans 238–238 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
Solutions that apply to the L14-L15 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
1 distinct variant for the JOHN DEERE S540 on the L14-L15 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the L14-L15 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 L14-L15?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the L14-L15 ECU software on this model?
Yes — the JOHN DEERE S540 on the L14-L15 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.