SKODA · SIMOS9.1 ECU · petrol

SKODA FABIA SIMOS9.1 tuning files

Tuning file coverage for the SKODA FABIA running the SIMOS9.1 ECU. The matched variants sit between 64 and 70 HP from the factory. 9 distinct variants are catalogued here. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All FABIA coverage

Available solutions

What we can run on the SIMOS9.1 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

9 distinct variants for the SKODA FABIA on the SIMOS9.1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1200 70HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
70 HP
ECU SW
4485
ECU HW
03E906023Q
SW upgrade
03E906023Q_4485
Calibration
03E906023Q_4485

Variant 2

ECU
Catalog engine
1200 8V 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
SW upgrade
03E906023D_8884
Calibration
03E906023D_8884

Variant 3

ECU
Catalog engine
1200 8V 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
SW upgrade
03D906023_5415
Calibration
03D906023_5415

Variant 4

ECU
Catalog engine
1200 8V 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP

Variant 5

ECU
Catalog engine
1200 12V 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
SW upgrade
03E906023B_1891
Calibration
03E906023B_1891

Variant 6

ECU
Catalog engine
1200 12V 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP

Variant 7

ECU
Catalog engine
1200 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
ECU SW
5415
ECU HW
03D906023
SW upgrade
03D906023_5415
Calibration
03D906023_5415

Variant 8

ECU
Catalog engine
1200 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
SW upgrade
03D906023S_4719
Calibration
03D906023S_4719

Variant 9

ECU
Catalog engine
1200 64HP
Controller brand
SIEMENS
ECU
SIMOS9.1
Stock power
64 HP
SW upgrade
03D906023N_5418
Calibration
03D906023N_5418

Related vehicles

Other vehicles built on the SIMOS9.1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SKODA FABIA on the SIMOS9.1?

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 SIMOS9.1 ECU software on this model?

Yes — the SKODA FABIA on the SIMOS9.1 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.

SKODA FABIA SIMOS9.1 ECU Tuning Files | TuningBay