JOHN DEERE · L14-L15 ECU

JOHN DEERE C670 L14-L15 tuning files

Here is what the catalog holds for the JOHN DEERE C670 on the L14-L15. Stock output across the matched variants spans 400–400 HP. There are 2 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All C670 coverage

Available solutions

What we can run on the L14-L15 for this vehicle — the precise options narrow down by engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the JOHN DEERE C670 on the L14-L15 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
9000 400HP
Controller brand
PHOENIX
ECU
L14-L15
Stock power
400 HP

Variant 2

ECU
Catalog engine
9000 400HP
Engine code
6090HZ003
Controller brand
PHOENIX
ECU
L14-L15
Stock power
400 HP
ECU SW
SW60072M
ECU HW
RE503234
Calibration
RG6090L086259

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 C670 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 C670 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.

JOHN DEERE C670 L14-L15 ECU Tuning Files | TuningBay