Software 0CW300041Q_1691_OJAE Temic DQ200
1 master project carry this software number, 1 with a modified version. Upload your read to have the tune transferred into your own file, or buy the file exactly as we hold it by software number. Modified files from $275, original (stock) files from $75 AUD. Trade accounts see their own pricing after log in.
Fitted to
Seat Leon 1.4TSI
ECU
Temic
DQ200
Hardware / part numbers
039FEJRMRFEF
DQ200G2_MJ743
Read with
any full read from your flashing tool
Modifications available
- Stage 1 ×1
Have the read? Upload it.
Upload your read →
Your own file comes back with the modification built in, checked for a 100% match before it's offered.
Can't read the ECU? Buy by software number.
See files & prices →
The stock or modified file exactly as we hold it, to write with your tool. Make sure your ECU carries
0CW300041Q_1691_OJAE and the same hardware number.Vehicle pages: Seat Leon
Files are supplied for off-road / motorsport use; checksums are corrected by your flashing tool on write. Last project update 2026-08-24.