Fiat Tuning
Every Fiat model, engine, and controller we can tune, 1995+.
Fiat
145 supported vehicles via AutoTuner
Select Your Fiat Model
Fiat Engines We Tune
Fiat ECUs and TCUs
- Marelli MJD8F3
- Bosch EDC15C7
- Marelli MJD8F2
- Marelli MJD9DF
- Bosch EDC17C49
- Bosch EDC16C39 (CAN)
- Marelli MJD6
- Bosch EDC17C69
- Bosch EDC16C39 (K-Line)
- Bosch ME7.9.10
- Marelli 9GF
- Bosch ME17.3.0
- Marelli 8GSW
- Bosch EDC17C84
- Continental GPEC4LM
- Marelli 8GSF
- Bosch EDC16C39
- Bosch EDC16C8
- Bosch EDC17C79
- Marelli 8GMK
- Marelli 8GMK.Fx
- Bosch MD1CS006
- Bosch MD1CS199
- Marelli 8GMF
- Visteon DCU102
- Bosch EDC15C2
- Bosch EDC17CP52
- Bosch MD1CS003
- Continental GPEC2
- Delphi DCM3.5
- Delphi DCM7.1A
- Marelli 8GML
- Siemens SID803A
- Bosch EDC16C34
- Bosch EDC16CP39
- Bosch EDC17C10
- Bosch MD1CS069
- Bosch ME17.9.51
- Continental GPEC2A
- Continental GPEC3
- Denso 4N15
- EVPT VCU3000
- Marelli 8GMC
- Marelli 8GMW
- Siemens SID803
Fiat tuning at Rapid Racing
We support 145 Fiat vehicles across 34 models, covering model years 1995+, through AutoTuner. That includes diesel, electric, gasoline, hybrid powertrains and 45 engine and transmission controllers.
Each Fiat tune is calibrated for your exact hardware and fuel, then verified with real data on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan. Not sure which controller you have? Browse all supported ECUs or ask us.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.