Variant 1
ECU- Catalog engine
- 2000 150HP
- Engine code
- DFFA
- Controller brand
- BOSCH
- ECU
- EDC17C74
- Stock power
- 150 HP
- ECU SW
- 7694
- ECU HW
- 04L906026RH
- SW upgrade
- 04L906026RH_7694
- Calibration
- 04L906026RH_7694
SEAT · EDC17C74 ECU · diesel
SEAT LEON EDC17C74 tuning files
Everything we work with on the SEAT LEON fitted with the EDC17C74. Stock output across the matched variants spans 150–150 HP. There are 5 distinct variants on file for this combination. It is a diesel platform, so the full diesel solution range is on the table. We match the right calibration to your exact software and validate it before delivery.
Available solutions
What we can run on the EDC17C74 for this diesel — the precise options narrow down by engine and software version.
Stage 1Stage 2DPF OffEGR OffAdBlue OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off
Engine variants & ECU software
5 distinct variants for the SEAT LEON on the EDC17C74 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 150HP
- Engine code
- CRMB
- Controller brand
- BOSCH
- ECU
- EDC17C74
- Stock power
- 150 HP
- ECU SW
- 7759
- ECU HW
- 04L906026BN
- SW upgrade
- 04L906026BN_7759
- Calibration
- 04L906026BN_7759
Variant 3
ECU- Catalog engine
- 2000 150HP
- Engine code
- CRMB
- Controller brand
- BOSCH
- ECU
- EDC17C74
- Stock power
- 150 HP
- SW upgrade
- 04L906026BN_7607
- Calibration
- 04L906026BN_7607
Variant 4
ECU- Catalog engine
- 2000 150HP
- Engine code
- DCYA
- Controller brand
- BOSCH
- ECU
- EDC17C74
- Stock power
- 150 HP
- ECU SW
- 6599
- ECU HW
- 04L906026HB
- SW upgrade
- 04L906026HB_6599
- Calibration
- 04L906026HB_6599
Variant 5
ECU- Catalog engine
- 2000 150HP
- Engine code
- DBGC
- Controller brand
- BOSCH
- ECU
- EDC17C74
- Stock power
- 150 HP
- SW upgrade
- 04L906027CE_1091
- Calibration
- 04L906027CE_1091
Related vehicles
Other vehicles built on the EDC17C74 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the SEAT LEON on the EDC17C74?
Stage 1, Stage 2, DPF Off, EGR Off, AdBlue Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.
Do you cover the EDC17C74 ECU software on this model?
Yes — the SEAT LEON on the EDC17C74 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.