LEXUS · GEN1 ECU

LEXUS LS GEN1 tuning files

Here is what the catalog holds for the LEXUS LS on the GEN1. Stock output across the matched variants spans 294–395 HP. There are 58 distinct variants on file for this combination. Stage 1 and Stage 2 are the safe starting points for this platform. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

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Available solutions

Solutions that apply to the GEN1 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

58 distinct variants for the LEXUS LS on the GEN1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 5000 395HP
Engine code: 2UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 395 HP
ECU SW: 89663-50472
ECU HW: 89661-50B32
SW upgrade: 35047200
Calibration: 35047200

Variant 2

ECU

Catalog engine: 5000 395HP
Controller brand: DENSO
ECU: GEN1
Stock power: 395 HP
ECU SW: 89663-50F60
SW upgrade: 350F6000
Calibration: 350F6000

Variant 3

ECU

Catalog engine: 5000 395HP
Controller brand: DENSO
ECU: GEN1
Stock power: 395 HP
ECU SW: 89663-50G31
SW upgrade: 350G3100
Calibration: 350G3100

Variant 4

ECU

Catalog engine: 6000 395HP
Engine code: 2UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 395 HP
ECU SW: 89663-50460
ECU HW: 89661-50B30
SW upgrade: 35046000
Calibration: 35046000

Variant 5

ECU

Catalog engine: 6000 395HP
Engine code: 2UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 395 HP
ECU SW: 89663-50461
ECU HW: 89661-50B30
SW upgrade: 35046100
Calibration: 35046100

Variant 6

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50370
SW upgrade: 35037000
Calibration: 35037000

Variant 7

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50371
SW upgrade: 35037100
Calibration: 35037100

Variant 8

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50381
ECU HW: 89661-XXXXX
SW upgrade: 35038100
Calibration: 35038100

Variant 9

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50382
SW upgrade: 35038200
Calibration: 35038200

Variant 10

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50390
SW upgrade: 35039000
Calibration: 35039000

Variant 11

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50401
SW upgrade: 35040100
Calibration: 35040100

Variant 12

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50402
SW upgrade: 35040200
Calibration: 35040200

Variant 13

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50420
SW upgrade: 35042000
Calibration: 35042000

Variant 14

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50440
SW upgrade: 35044000
Calibration: 35044000

Variant 15

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50521
ECU HW: 89661-50C02
SW upgrade: 35052100
Calibration: 35052100

Variant 16

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50522
SW upgrade: 35052200
Calibration: 35052200

Variant 17

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50540
ECU HW: 89661-XXXXX
SW upgrade: 35054000
Calibration: 35054000

Variant 18

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50561
SW upgrade: 35056100
Calibration: 35056100

Variant 19

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50562
SW upgrade: 35056200
Calibration: 35056200

Variant 20

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50570
SW upgrade: 35057000
Calibration: 35057000

Variant 21

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50571
SW upgrade: 35057100
Calibration: 35057100

Variant 22

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50575
SW upgrade: 35057500
Calibration: 35057500

Variant 23

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50581
SW upgrade: 35058100
Calibration: 35058100

Variant 24

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50680
ECU HW: 89661-50A40
SW upgrade: 35068000
Calibration: 35068000

Variant 25

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50770
SW upgrade: 35077000
Calibration: 35077000

Variant 26

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50774
SW upgrade: 35077400
Calibration: 35077400

Variant 27

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50A03
SW upgrade: 350A0300
Calibration: 350A0300

Variant 28

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50A90
SW upgrade: 350A9000
Calibration: 350A9000

Variant 29

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50A92
ECU HW: 89661-XXXXX
SW upgrade: 350A9200
Calibration: 350A9200

Variant 30

ECU

Catalog engine: 4600 380HP
Engine code: CKTC
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50A94
SW upgrade: 350A9400
Calibration: 350A9400

Variant 31

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50B61
SW upgrade: 350B6100
Calibration: 350B6100

Variant 32

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50B91
SW upgrade: 350B9100
Calibration: 350B9100

Variant 33

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50B92
SW upgrade: 350B9200
Calibration: 350B9200

Variant 34

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50D71
SW upgrade: 350D7100
Calibration: 350D7100

Variant 35

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50D90
SW upgrade: 350D9000
Calibration: 350D9000

Variant 36

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50G60
SW upgrade: 350G6000
Calibration: 350G6000

Variant 37

ECU

Catalog engine: 4600 380HP
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50G61
SW upgrade: 350G6100
Calibration: 350G6100

Variant 38

ECU

Catalog engine: 4600 380HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-60Y01
SW upgrade: 360Y0100
Calibration: 360Y0100

Variant 39

ECU

Catalog engine: 4700 380HP
Engine code: 1UR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 380 HP
ECU SW: 89663-50B21
SW upgrade: 350B2100
Calibration: 350B2100

Variant 40

ECU

Catalog engine: 4300 300HP
Engine code: 3UZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
Calibration: 31013900

Variant 41

ECU

Catalog engine: 4300 300HP
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
ECU SW: 89663-24091
SW upgrade: 32409100
Calibration: 32409100

Variant 42

ECU

Catalog engine: 4300 300HP
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
ECU SW: 89663-50150
SW upgrade: 35015000
Calibration: 35015000

Variant 43

ECU

Catalog engine: 4300 300HP
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
ECU SW: 89663-50161
SW upgrade: 35016100
Calibration: 35016100

Variant 44

ECU

Catalog engine: 4300 300HP
Engine code: 3UZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
ECU SW: 89663-50260
SW upgrade: 35026000
Calibration: 35026000

Variant 45

ECU

Catalog engine: 4300 300HP
Engine code: 3UZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 300 HP
ECU SW: 89663-50261
ECU HW: 89661-50693
SW upgrade: 35026100
Calibration: 35026100

Variant 46

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-24120
SW upgrade: 32412000
Calibration: 32412000

Variant 47

ECU

Catalog engine: 4300 294HP
Engine code: 3UZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-24150
SW upgrade: 32415000
Calibration: 32415000

Variant 48

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-24160
SW upgrade: 32416000
Calibration: 32416000

Variant 49

ECU

Catalog engine: 4300 294HP
Engine code: 3UZ-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50191
ECU HW: 89661-50750
SW upgrade: 35019100
Calibration: 35019100

Variant 50

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50300
SW upgrade: 35030000
Calibration: 35030000

Variant 51

ECU

Catalog engine: 4300 294HP
Engine code: 3UZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50320
SW upgrade: 35032000
Calibration: 35032000

Variant 52

ECU

Catalog engine: 4300 294HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50360
ECU HW: 89661-xxxxx
SW upgrade: 35036000
Calibration: 35036000

Variant 53

ECU

Catalog engine: 4300 294HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50422
SW upgrade: 35042200
Calibration: 35042200

Variant 54

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50551
SW upgrade: 35055100
Calibration: 35055100

Variant 55

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50555
SW upgrade: 35055500
Calibration: 35055500

Variant 56

ECU

Catalog engine: 4300 294HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50610
SW upgrade: 35061000
Calibration: 35061000

Variant 57

ECU

Catalog engine: 4300 294HP
Engine code: 1UR-FSE
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50E40
SW upgrade: 350E4000
Calibration: 350E4000

Variant 58

ECU

Catalog engine: 4300 294HP
Controller brand: DENSO
ECU: GEN1
Stock power: 294 HP
ECU SW: 89663-50E71
SW upgrade: 350E7100
Calibration: 350E7100

Related vehicles

Other vehicles built on the GEN1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the LEXUS LS on the GEN1?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the GEN1 ECU software on this model?

Yes — the LEXUS LS on the GEN1 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.