FIAT · IAW 1ABB.90 ECU · petrol

FIAT SIENA IAW 1ABB.90 tuning files

The FIAT SIENA on the IAW 1ABB.90, mapped from stock file to finished result. Stock output across the matched variants spans 103–103 HP. Petrol calibration here is about crisp response and a result that holds up day to day. Your file is built against the exact ECU software on the car, then operator-verified.

Available solutions

What we can run on the IAW 1ABB.90 for this petrol — the precise options narrow down by engine and software version.

Engine variants & ECU software

1 distinct variant for the FIAT SIENA on the IAW 1ABB.90 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1600 16V 103HP
Controller brand
MAGNETI MARELLI
ECU
IAW 1ABB.90
Stock power
103 HP

Related vehicles

Other vehicles built on the IAW 1ABB.90 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT SIENA on the IAW 1ABB.90?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the IAW 1ABB.90 ECU software on this model?

Yes — the FIAT SIENA on the IAW 1ABB.90 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.

FIAT SIENA IAW 1ABB.90 ECU Tuning Files | TuningBay