Advanced Stage 2 tuning file for Audi A3 1.8 TFSI CJS engine (2015, DSG), based on Siemens SIMOS18 ECU with software ID SC800H4100000. Includes decat (no post-cat lambda), raised rev limiter, and Pop&Bang functionality in Sport mode. Designed for performance setups with downpipe/exhaust modifications. Full binary file read via Alientech KTAG.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 2 ECU tuning for Audi A3 1.8 TFSI (CJS, SIMOS18, DSG)
- Software version SC800H4100000 – full binary read
- Pop & Bang (overrun burbles) enabled in Sport mode
- Decat logic applied (post-cat lambda and DTCs disabled)
- Rev limiter increased for wider powerband
- Fuel, torque, and ignition maps optimized for performance hardware
- Checksum not calculated — external validation required
- Includes original + all tuning versions
- Readout via Alientech KTAG — flash-ready
- For off-road or motorsport vehicles with decat exhaust systems