SEAT 1.4 TSI/TFSI Tuning
Supported in 6 SEAT models, 2004+.
SEAT
40 supported 1.4 TSI/TFSI applications
Models With the SEAT 1.4 TSI/TFSI
All Supported SEAT 1.4 TSI/TFSI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Alhambra | 2010+ | 150 hp | ECU Bosch MED17.1 | AutoTuner | |
| Alhambra | 2010+ | 150 hp | ECU Bosch MED17.5.5 | AutoTuner | |
| Alhambra | 2010+ | 150 hp | ECU Bosch MED17.1.27 | AutoTuner | |
| Alhambra | 2010+ | 150 hp | TCU Temic DQ200G2 | AutoTuner | |
| Alhambra | 2010+ | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner | |
| Altea | 2004+ | 125 hp | ECU Bosch MED17.5.20 | AutoTuner | |
| Altea | 2004+ | 125 hp | ECU Bosch MED17.5.5 | AutoTuner | |
| Altea | 2004+ | 125 hp | TCU Temic DQ200 | AutoTuner | |
| Altea | 2004+ | 125 hp | TCU Temic DQ200G2 | AutoTuner | |
| Altea XL | 2006+ | 125 hp | ECU Bosch MED17.5.20 | AutoTuner | |
| Altea XL | 2006+ | 125 hp | ECU Bosch MED17.5.5 | AutoTuner | |
| Altea XL | 2006+ | 125 hp | TCU Temic DQ200 | AutoTuner | |
| Altea XL | 2006+ | 125 hp | TCU Temic DQ200G2 | AutoTuner | |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.1 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Ibiza | 2008+ | 6J | 180 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | ECU Bosch MED17.1.27 | AutoTuner |
| Ibiza | 2008+ | 6J | 180 hp | TCU Temic DQ200 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | TCU Temic DQ200G2 | AutoTuner |
| Ibiza | 2008+ | 6J | 180 hp | TCU Temic DQ200G2 | AutoTuner |
| Ibiza | 2008+ | 6J | 150 hp | TCU Temic DQ200 (MQB) | AutoTuner |
| Leon | 2005+ | 1P | 122 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Leon | 2005+ | 1P | 125 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Leon | 2005+ | 1P | 122 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Leon | 2005+ | 1P | 122 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Leon | 2005+ | 1P | 125 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Leon | 2005+ | 1P | 122 hp | TCU Temic DQ200 | AutoTuner |
| Leon | 2005+ | 1P | 125 hp | TCU Temic DQ200 | AutoTuner |
| Leon | 2005+ | 1P | 125 hp | TCU Temic DQ200G2 | AutoTuner |
| Leon | 2005+ | 1P | 122 hp | ECU Bosch MED17.5.1 | AutoTuner |
| Toledo | 2012+ | KG | 122 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Toledo | 2012+ | KG | 122 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Toledo | 2012+ | KG | 122 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Toledo | 2012+ | KG | 122 hp | TCU Temic DQ200 | AutoTuner |
| Toledo | 2012+ | KG | 122 hp | ECU Bosch MED17.5.1 | AutoTuner |
| Toledo | 2006+ | 5P | 122 hp | ECU Bosch MED17.5.20 | AutoTuner |
| Toledo | 2006+ | 5P | 122 hp | ECU Bosch MED17.5.21 | AutoTuner |
| Toledo | 2006+ | 5P | 122 hp | ECU Bosch MED17.5.5 | AutoTuner |
| Toledo | 2006+ | 5P | 122 hp | TCU Temic DQ200 | AutoTuner |
| Toledo | 2006+ | 5P | 122 hp | ECU Bosch MED17.5.1 | AutoTuner |
About SEAT 1.4 TSI/TFSI tuning
We tune the SEAT 1.4 TSI/TFSI in 40 applications across the Alhambra, Altea, Altea XL, Ibiza, Leon, Toledo, from 2004+, in gasoline form, with stock outputs of 122-180 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch MED17.1, Bosch MED17.1.27, Bosch MED17.5.1, Bosch MED17.5.5, Bosch MED17.5.20, Bosch MED17.5.21, Temic DQ200, Temic DQ200 (MQB), Temic DQ200G2.
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.