Siemens PPD1.x ECU Tuning
Engine control unit used in 10 supported models from 4 makes.
Audi with the Siemens PPD1.x
All Audi tunesSEAT with the Siemens PPD1.x
All SEAT tunes- SEAT Altea2004+2.0 TDI IPAutoTuner
- SEAT Altea XL2006+2.0 TDI IPAutoTuner
- SEAT Leon2005+1P · 2.0 TDI IPAutoTuner
Skoda with the Siemens PPD1.x
All Skoda tunes- Skoda Octavia2005+2.0 TDI IPAutoTuner
Volkswagen with the Siemens PPD1.x
All Volkswagen tunes- Volkswagen Golf2003+V · 2.0 TDI IPAutoTuner
- Volkswagen Jetta2005+2.0 TDI IPAutoTuner
- Volkswagen Passat2005+B6 · 2.0 TDI IP, 2.0 TDI PPDAutoTuner
- Volkswagen Touran2003+2.0 TDI IPAutoTuner
About Siemens PPD1.x tuning
The Siemens PPD1.x engine control unit is supported in 10 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.