Variant 1
ECU- Catalog engine
- 900 85HP
- Controller brand
- MAGNETI MARELLI
- ECU
- C401HL15
- Stock power
- 85 HP
- ECU SW
- C401HL15
- ECU HW
- MM8GSWHW611
- SW upgrade
- 8GSWM339
- Calibration
- C401HL15
FIAT · C401HL15 ECU
FIAT 500 C401HL15 tuning files
Tuning file coverage for the FIAT 500 running the C401HL15 ECU. Stock output across the matched variants spans 85–85 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
What we can run on the C401HL15 for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the FIAT 500 on the C401HL15 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the C401HL15 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the FIAT 500 on the C401HL15?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the C401HL15 ECU software on this model?
Yes — the FIAT 500 on the C401HL15 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.