SEAT 1.2 TSI, 1.4 TSI (MED17.5.21) Tuning
Supported in 2 SEAT models, 2012-2018.
SEAT
2 supported 1.2 TSI, 1.4 TSI (MED17.5.21) applications
Models With the SEAT 1.2 TSI, 1.4 TSI (MED17.5.21)
All Supported SEAT 1.2 TSI, 1.4 TSI (MED17.5.21) Tunes
About SEAT 1.2 TSI, 1.4 TSI (MED17.5.21) tuning
We tune the SEAT 1.2 TSI, 1.4 TSI (MED17.5.21) in 2 applications across the Ibiza, Leon, from 2012-2018, in gasoline form. Calibrations are written on HP Tuners for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
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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.