Siemens SID20x Tuning Software
Siemens SID20x family powers PSA HDi (Peugeot, Citroën) and Ford TDCi diesels. DaVinci Deluxe · Cloud Edition supports SID201, SID202, SID203, SID208, SID807, SID803 — full Stage 1 + FAP/DPF off + FAP additive bypass.
About Siemens SID20x
Siemens SID20x is a common-rail diesel ECU family. SID201/202/203 = PSA generations; SID208 = late PSA + Ford; SID807 = Ford TDCi 1.8/2.0/2.2; SID803 = Renault dCi.
Vehicles using Siemens SID20x
What you can do with Siemens SID20x
Stage 1 maps
PSA HDi / Ford TDCi optimized power and torque curves
FAP / DPF off
Full FAP disable on PSA
FAP additive bypass
Eolys fluid logic disable on PSA
EGR off
Hard removal
Read / write protocols supported
- 📡 OBD via KESS3 / Autotuner / FoxFlash
- 📡 Bench mode for locked variants
DaVinci Deluxe · Cloud Edition is the ECU file editor — pair it with any modern flasher (KESS3, Autotuner, FoxFlash, MagicMotorsport, ATAG, etc.).
Frequently asked questions
FAP additive (Eolys) bypass — what does it do?
PSA diesels use Eolys fluid for DPF regen. After FAP delete, the additive logic still complains. We disable it cleanly so no DTCs remain.
Ready to tune Siemens SID20x?
Lifetime license, instant download, full support. Want to test it first? Real Software Test: €9.99 for 7 days, then €100.99/month unless you cancel in one click.
Get DaVinci Deluxe · Cloud Edition →Related ECU tuning guides
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