AUDI · EDC17C74 ECU · diesel

AUDI A4 EDC17C74 tuning files

Here is what the catalog holds for the AUDI A4 on the EDC17C74. Stock output across the matched variants spans 122–190 HP. 51 distinct variants are catalogued here. It is a diesel platform, so the full diesel solution range is on the table. Each file is tied to the precise software on your car and checked before it goes out.

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Available solutions

What we can run on the EDC17C74 for this diesel — the precise options narrow down by engine and software version.

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

Engine variants & ECU software

51 distinct variants for the AUDI A4 on the EDC17C74 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2000 190HP
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 190 HP
SW upgrade: 04L906027BB_7777
Calibration: 04L906027BB_7777

Variant 2

ECU

Catalog engine: 2000 184HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
ECU SW: 2002
ECU HW: 04L906026CE
SW upgrade: 04L906026CE_2002
Calibration: 04L906026CE_2002

Variant 3

ECU

Catalog engine: 2000 184HP
Engine code: CUNA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
ECU SW: 1540
ECU HW: 04L906026BR
SW upgrade: 04L906026BR_1540
Calibration: 04L906026BR_1540

Variant 4

ECU

Catalog engine: 2000 184HP
Engine code: CUNA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
SW upgrade: 04L906026BT_1542
Calibration: 04L906026BT_1542

Variant 5

ECU

Catalog engine: 2000 184HP
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
SW upgrade: 04L906027BR_7781
Calibration: 04L906027BR_7781

Variant 6

ECU

Catalog engine: 2000 184HP
Engine code: DESA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
SW upgrade: 04L906026CH_4216
Calibration: 04L906026CH_4216

Variant 7

ECU

Catalog engine: 2000 184HP
Engine code: G
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
ECU SW: 6344
ECU HW: 04L906026QA
SW upgrade: 04L906026QA_6344
Calibration: 04L906026QA_6344

Variant 8

ECU

Catalog engine: 2000 184HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 184 HP
ECU SW: 3928
ECU HW: 04L906026CE
SW upgrade: 04L906026CE_3928
Calibration: 04L906026CE_3928

Variant 9

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026AG_1969
Calibration: 04L906026AG_1969

Variant 10

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1981
ECU HW: 04L906026T
SW upgrade: 04L906026T_1981
Calibration: 04L906026T_1981

Variant 11

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026FS_9823
Calibration: 04L906026FS_9823

Variant 12

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9863
ECU HW: 04L906026T
SW upgrade: 04L906026T_9863
Calibration: 04L906026T_9863

Variant 13

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9824
ECU HW: 04L906026GD
SW upgrade: 04L906026GD_9824
Calibration: 04L906026GD_9824

Variant 14

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9970
ECU HW: 04L906026FS
SW upgrade: 04L906026FS_9970
Calibration: 04L906026FS_9970

Variant 15

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9970
ECU HW: 04L906026T
SW upgrade: 04L906026T_9970
Calibration: 04L906026T_9970

Variant 16

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026GC_1977
Calibration: 04L906026GC_1977

Variant 17

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9970
ECU HW: 04L906026GD
SW upgrade: 04L906026GD_9970
Calibration: 04L906026GD_9970

Variant 18

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1953
ECU HW: 04L906026AG
SW upgrade: 04L906026AG_1953
Calibration: 04L906026AG_1953

Variant 19

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026AD_9970
Calibration: 04L906026AD_9970

Variant 20

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1998
ECU HW: 04L906026GD
SW upgrade: 04L906026GD_1998
Calibration: 04L906026GD_1998

Variant 21

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1975
ECU HW: 04L906026FR
SW upgrade: 04L906026FR_1975
Calibration: 04L906026FR_1975

Variant 22

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1976
ECU HW: 04L906026AC
SW upgrade: 04L906026AC_1976
Calibration: 04L906026AC_1976

Variant 23

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1970
ECU HW: 04L906026AD
SW upgrade: 04L906026AD_1970
Calibration: 04L906026AD_1970

Variant 24

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026AG_9970
Calibration: 04L906026AG_9970

Variant 25

ECU

Catalog engine: 2000 170HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1980
ECU HW: 04L906026FS
SW upgrade: 04L906026FS_1980
Calibration: 04L906026FS_1980

Variant 26

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9970
ECU HW: 04L906026AD
SW upgrade: 04L906026AD_9970
Calibration: 04L906026AD_9970

Variant 27

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 1969
ECU HW: 04L906026AG
SW upgrade: 04L906026AG_1969
Calibration: 04L906026AG_1969

Variant 28

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9864
ECU HW: 04L906026AG
SW upgrade: 04L906026AG_9864
Calibration: 04L906026AG_9864

Variant 29

ECU

Catalog engine: 2000 170HP
Engine code: DFHA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026TM_7860
Calibration: 04L906026TM_7860

Variant 30

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
ECU SW: 9970
ECU HW: 04L906026AG
SW upgrade: 04L906026AG_9970
Calibration: 04L906026AG_9970

Variant 31

ECU

Catalog engine: 2000 170HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 170 HP
SW upgrade: 04L906026AD_9865
Calibration: 04L906026AD_9865

Variant 32

ECU

Catalog engine: 2000 150HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 1974
ECU HW: 04L906026A
SW upgrade: 04L906026A_1974
Calibration: 04L906026A_1974

Variant 33

ECU

Catalog engine: 2000 150HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
SW upgrade: 04L906026AB_3864
Calibration: 04L906026AB_3864

Variant 34

ECU

Catalog engine: 2000 150HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3862
ECU HW: 04L906026AF
SW upgrade: 04L906026AF_3862
Calibration: 04L906026AF_3862

Variant 35

ECU

Catalog engine: 2000 150HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3501
ECU HW: 04L906026AH
SW upgrade: 04L906026AH_3501
Calibration: 04L906026AH_3501

Variant 36

ECU

Catalog engine: 2000 150HP
Engine code: DESA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3924
ECU HW: 04L906026CT
SW upgrade: 04L906026CT_3924
Calibration: 04L906026CT_3924

Variant 37

ECU

Catalog engine: 2000 150HP
Engine code: DETA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
SW upgrade: 04L906026AE_3477
Calibration: 04L906026AE_3477

Variant 38

ECU

Catalog engine: 2000 150HP
Engine code: CZHA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3925
ECU HW: 04L906026CR
SW upgrade: 04L906026CR_3925
Calibration: 04L906026CR_3925

Variant 39

ECU

Catalog engine: 2000 150HP
Engine code: DESA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
SW upgrade: 04L906026CS_1954
Calibration: 04L906026CS_1954

Variant 40

ECU

Catalog engine: 2000 150HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3927
ECU HW: 04L906026AA
SW upgrade: 04L906026AA_3927
Calibration: 04L906026AA_3927

Variant 41

ECU

Catalog engine: 2000 150HP
Engine code: DEUC
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3163
ECU HW: 04L906026S
SW upgrade: 04L906026S_3163
Calibration: 04L906026S_3163

Variant 42

ECU

Catalog engine: 2000 150HP
Engine code: DEUC
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
SW upgrade: 04L906026S_3163
Calibration: 04L906026S_3163

Variant 43

ECU

Catalog engine: 2000 150HP
Engine code: DESA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3926
ECU HW: 04L906026CS
SW upgrade: 04L906026CS_3926
Calibration: 04L906026CS_3926

Variant 44

ECU

Catalog engine: 2000 150HP
Engine code: DEUA
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 150 HP
ECU SW: 3863
ECU HW: 04L906026CC
SW upgrade: 04L906026CC_3863
Calibration: 04L906026CC_3863

Variant 45

ECU

Catalog engine: 2000 122HP
Engine code: CZHA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
ECU SW: 3036
ECU HW: 04L906026CR
SW upgrade: 04L906026CR_3036
Calibration: 04L906026CR_3036

Variant 46

ECU

Catalog engine: 2000 122HP
Engine code: DEUA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
SW upgrade: 04L906026MG_5765
Calibration: 04L906026MG_5765

Variant 47

ECU

Catalog engine: 2000 122HP
Engine code: DEUA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
ECU SW: 4615
ECU HW: 04L906026A
SW upgrade: 04L906026A_4615
Calibration: 04L906026A_4615

Variant 48

ECU

Catalog engine: 2000 122HP
Engine code: DEUA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
SW upgrade: 04L906026FR_3450
Calibration: 04L906026FR_3450

Variant 49

ECU

Catalog engine: 2000 122HP
Engine code: DEUA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
ECU SW: 3332
ECU HW: 04L906026A
SW upgrade: 04L906026A_3332
Calibration: 04L906026A_3332

Variant 50

ECU

Catalog engine: 2000 122HP
Engine code: DEUA
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
SW upgrade: 04L906026MG_3451
Calibration: 04L906026MG_3451

Variant 51

ECU

Catalog engine: 2000 122HP
Engine code: DEUC
Generation: B9 Mk1 07/2015-2019
Matched gains engine: 2.0 TDI 122
Controller brand: BOSCH
ECU: EDC17C74
Stock power: 122 HP
Stage 1 power: 195 HP
Power increase: +73 HP (+60%)
Stock torque: 290 Nm
Stage 1 torque: 430 Nm
Torque increase: +140 Nm (+48%)
ECU SW: 3162
ECU HW: 04L906026
SW upgrade: 04L906026_3162
Calibration: 04L906026_3162

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 AUDI A4 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 AUDI A4 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.