Bosch EDC16U1 ECU Tuning
Engine control unit used in 22 supported models from 4 makes.
Audi with the Bosch EDC16U1
All Audi tunesSEAT with the Bosch EDC16U1
All SEAT tunes- SEAT Alhambra1999+2.0 TDI IPAutoTuner
- SEAT Altea2004+1.9 TDI IP, 2.0 TDI IPAutoTuner
- SEAT Altea XL2006+1.9 TDI IP, 2.0 TDI IPAutoTuner
- SEAT Ibiza2008+6J · 1.9 TDI IPAutoTuner
- SEAT Leon2005+1P · 1.9 TDI IP, 2.0 TDI IPAutoTuner
- SEAT Toledo2006+5P · 1.9 TDI IP, 2.0 TDI IPAutoTuner
Skoda with the Bosch EDC16U1
All Skoda tunes- Skoda Octavia2005+1.9 TDI IP, 2.0 TDI IPAutoTuner
- Skoda Roomster2006+1.9 TDI IPAutoTuner
- Skoda Superb2003+2.0 TDI IPAutoTuner
Volkswagen with the Bosch EDC16U1
All Volkswagen tunes- Volkswagen Caddy2004+2K · 1.9 TDI IP, 2.0 SDIAutoTuner
- Volkswagen Eos2006+2.0 TDI IPAutoTuner
- Volkswagen Golf2003+V · 1.9 TDI IP, 2.0 TDI IPAutoTuner
- Volkswagen Jetta2005+1.9 TDI IP, 2.0 TDI IPAutoTuner
- Volkswagen LT1996+2D · 2.5 TDIAutoTuner
- Volkswagen Passat2005+B6 · 1.9 TDI IP, 2.0 TDI IPAutoTuner
- Volkswagen Sharan1999+2.0 TDI IPAutoTuner
- Volkswagen Touareg2002+2.5 TDIAutoTuner
- Volkswagen Touran2003+1.9 TDI IP, 2.0 TDI IPAutoTuner
- Volkswagen Transporter / Multivan / Caravelle2003+T5 · 1.9 TDI IP, 2.5 TDIAutoTuner
About Bosch EDC16U1 tuning
The Bosch EDC16U1 engine control unit is supported in 22 models from Audi, SEAT, Skoda, Volkswagen. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.
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.