SEAT · EDC16U34 ECU · diesel

SEAT LEON EDC16U34 tuning files

Tuning file coverage for the SEAT LEON running the EDC16U34 ECU. The matched variants sit between 90 and 140 HP from the factory. It is a diesel platform, so the full diesel solution range is on the table. Your file is built against the exact ECU software on the car, then operator-verified.

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Available solutions

Solutions that apply to the EDC16U34 on this diesel platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2 DPF Off EGR Off Swirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

27 distinct variants for the SEAT LEON on the EDC16U34 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 8512
ECU HW: 03G906021LL
SW upgrade: 03G906021LL_8512
Calibration: 03G906021LL_8512

Variant 2

ECU

Catalog engine: 2000 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
SW upgrade: 03G906021LL_9185
Calibration: 03G906021LL_9185

Variant 3

ECU

Catalog engine: 2000 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 1454
ECU HW: 03G906021SF
SW upgrade: 03G906021SF_1454
Calibration: 03G906021SF_1454

Variant 4

ECU

Catalog engine: 2000 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 9850
ECU HW: 03G906021LL
SW upgrade: 03G906021LL_9850
Calibration: 03G906021LL_9850

Variant 5

ECU

Catalog engine: 2000 TDI 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
SW upgrade: 03G906021LL_9850
Calibration: 03G906021LL_9850

Variant 6

ECU

Catalog engine: 2000 TDI 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
SW upgrade: 03G906021SG_1850
Calibration: 03G906021SG_1850

Variant 7

ECU

Catalog engine: 2000 TDI 140HP
Engine code: BMM
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 0057
ECU HW: 03G906021JE
SW upgrade: 03G906021JE_0057
Calibration: 03G906021JE_0057

Variant 8

ECU

Catalog engine: 2000 TDI 140HP
Engine code: BMM
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 0141
ECU HW: 03G906021JE
SW upgrade: 03G906021JE_0141
Calibration: 03G906021JE_0141

Variant 9

ECU

Catalog engine: 2000 TDI 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
SW upgrade: 03G997021D_1385
Calibration: 03G997021D_1385

Variant 10

ECU

Catalog engine: 2000 TDI 140HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 140 HP
ECU SW: 2121
ECU HW: 03G906021PS
SW upgrade: 03G906021PS_2121
Calibration: 03G906021PS_2121

Variant 11

ECU

Catalog engine: 2000 136HP
Engine code: AZV
Generation: 1P 2005-2012
Matched gains engine: 2.0TDI (CR) 136
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 136 HP
Stage 1 power: 185 HP
Power increase: +49 HP (+36%)
Stock torque: 320 Nm
Stage 1 torque: 400 Nm
Torque increase: +80 Nm (+25%)
ECU SW: 9190
ECU HW: 03G906021LM
SW upgrade: 03G906021LM_9190
Calibration: 03G906021LM_9190

Variant 12

ECU

Catalog engine: 1900 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906021SC_1438
Calibration: 03G906021SC_1438

Variant 13

ECU

Catalog engine: 1900 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906021LK_9249
Calibration: 03G906021LK_9249

Variant 14

ECU

Catalog engine: 1900 105HP
Engine code: BLS
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 1847
ECU HW: 03G906021SE
SW upgrade: 03G906021SE_1847
Calibration: 03G906021SE_1847

Variant 15

ECU

Catalog engine: 1900 105HP
Engine code: BLS
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 1329
ECU HW: 03G906021PA
SW upgrade: 03G906021PA_1329
Calibration: 03G906021PA_1329

Variant 16

ECU

Catalog engine: 1900 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 2898
ECU HW: 03G906056AA
SW upgrade: 03G906056AA_2898
Calibration: 03G906056AA_2898

Variant 17

ECU

Catalog engine: 1900 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906021JS_9515
Calibration: 03G906021JS_9515

Variant 18

ECU

Catalog engine: 1900 105HP
Engine code: BXE
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 9249
ECU HW: 03G906021LK
SW upgrade: 03G906021LK_9249
Calibration: 03G906021LK_9249

Variant 19

ECU

Catalog engine: 1900 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 1444
ECU HW: 03G906021SK
SW upgrade: 03G906021SK_1444
Calibration: 03G906021SK_1444

Variant 20

ECU

Catalog engine: 1900 TDI 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906021LK_8499
Calibration: 03G906021LK_8499

Variant 21

ECU

Catalog engine: 1900 TDI 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 8337
ECU HW: 03G906021CT
SW upgrade: 03G906021CT_8337
Calibration: 03G906021CT_8337

Variant 22

ECU

Catalog engine: 1900 TDI 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
ECU SW: 9087
ECU HW: 03G906021JS
SW upgrade: 03G906021JS_9087
Calibration: 03G906021JS_9087

Variant 23

ECU

Catalog engine: 1900 TDI 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906056AA_2382
Calibration: 03G906056AA_2382

Variant 24

ECU

Catalog engine: 1900 TDI 105HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 105 HP
SW upgrade: 03G906056K_2744
Calibration: 03G906056K_2744

Variant 25

ECU

Catalog engine: 1900 90HP
Engine code: BXF
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 90 HP
ECU SW: 0791
ECU HW: 03G906021SA
SW upgrade: 03G906021SA_0791
Calibration: 03G906021SA_0791

Variant 26

ECU

Catalog engine: 1900 90HP
Engine code: BXF
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 90 HP
ECU SW: 1441
ECU HW: 03G906021SH
SW upgrade: 03G906021SH_1441
Calibration: 03G906021SH_1441

Variant 27

ECU

Catalog engine: 1900 90HP
Controller brand: BOSCH
ECU: EDC16U34
Stock power: 90 HP
SW upgrade: 03G906021SH_1441
Calibration: 03G906021SH_1441

Related vehicles

Other vehicles built on the EDC16U34 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 EDC16U34?

Stage 1, Stage 2, DPF Off, EGR 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 EDC16U34 ECU software on this model?

Yes — the SEAT LEON on the EDC16U34 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.