SEAT · MED17.5.20 ECU · petrol

SEAT ALTEA MED17.5.20 tuning files

Tuning file coverage for the SEAT ALTEA running the MED17.5.20 ECU. Stock output across the matched variants spans 125–125 HP. There are 6 distinct variants on file for this combination. On this petrol engine the focus is sharper throttle and useful, repeatable gains. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All ALTEA coverage

Available solutions

What we can run on the MED17.5.20 for this petrol — the precise options narrow down by engine and software version.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

6 distinct variants for the SEAT ALTEA on the MED17.5.20 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1400 125HP
Engine code
CAXC
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
ECU SW
1037399087
ECU HW
0261S04396
SW upgrade
03C906022AQ_3641
Calibration
03C906022AQ_3641

Variant 2

ECU
Catalog engine
1400 125HP
Engine code
CAXA
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
ECU SW
1037515772
ECU HW
0261S04396
SW upgrade
03C906022H_9474
Calibration
03C906022H_9474

Variant 3

ECU
Catalog engine
1400 125HP
Engine code
CAXC
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
SW upgrade
03C906022AQ_8658
Calibration
03C906022AQ_8658

Variant 4

ECU
Catalog engine
1400 125HP
Engine code
CAXA
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
ECU SW
9473
ECU HW
03C906022AK
SW upgrade
03C906022AK_9473
Calibration
03C906022AK_9473

Variant 5

ECU
Catalog engine
1400 125HP
Engine code
CAXA
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
ECU SW
9475
ECU HW
03C906022AM
SW upgrade
03C906022AM_9475
Calibration
03C906022AM_9475

Variant 6

ECU
Catalog engine
1400 125HP
Engine code
CAXC
Controller brand
BOSCH
ECU
MED17.5.20
Stock power
125 HP
ECU SW
8638
ECU HW
03C906022AN
SW upgrade
03C906022AN_8638
Calibration
03C906022AN_8638

Related vehicles

Other vehicles built on the MED17.5.20 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SEAT ALTEA on the MED17.5.20?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the MED17.5.20 ECU software on this model?

Yes — the SEAT ALTEA on the MED17.5.20 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.

SEAT ALTEA MED17.5.20 ECU Tuning Files | TuningBay