Siemens SID20x Tuning Software
Siemens SID20x family powers PSA HDi (Peugeot, Citroën) and Ford TDCi diesels. DaVinci Deluxe 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 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.
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