LEXUS · GEN1 ECU

LEXUS RX GEN1 tuning files

Tuning file coverage for the LEXUS RX running the GEN1 ECU. Stock output across the matched variants spans 188–299 HP. There are 54 distinct variants on file for this combination. Stage 1 and Stage 2 are the safe starting points for this platform. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All RX coverage

Available solutions

Applicable work for the GEN1 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

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

Variant 1

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48871
SW upgrade: 34887100
Calibration: 34887100

Variant 2

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48D41
SW upgrade: 348D4100
Calibration: 348D4100

Variant 3

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48D51
SW upgrade: 348D5100
Calibration: 348D5100

Variant 4

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48D60
SW upgrade: 348D6000
Calibration: 348D6000

Variant 5

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48D80
SW upgrade: 348D8000
Calibration: 348D8000

Variant 6

ECU

Catalog engine: 3500 299HP
Controller brand: DENSO
ECU: GEN1
Stock power: 299 HP
ECU SW: 89663-48Q81
SW upgrade: 348Q8100
Calibration: 348Q8100

Variant 7

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-07060
ECU HW: 89661-xxxxx
SW upgrade: 30706000
Calibration: 30706000

Variant 8

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-07074
ECU HW: 89661-xxxxx
SW upgrade: 30707400
Calibration: 30707400

Variant 9

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-42750
ECU HW: 89661-42E90
SW upgrade: 34275000
Calibration: 34275000

Variant 10

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-42800
SW upgrade: 34280000
Calibration: 34280000

Variant 11

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48440
ECU HW: 89661-48440
SW upgrade: 34844000
Calibration: 34844000

Variant 12

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48571
ECU HW: 89661-48800
SW upgrade: 34857100
Calibration: 34857100

Variant 13

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48620
ECU HW: 89661-48850
SW upgrade: 34862000
Calibration: 34862000

Variant 14

ECU

Catalog engine: 3500 273HP
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48621
SW upgrade: 34862100
Calibration: 34862100

Variant 15

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48641
ECU HW: 89661-48880
SW upgrade: 34864100
Calibration: 34864100

Variant 16

ECU

Catalog engine: 3500 273HP
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48660
SW upgrade: 34866000
Calibration: 34866000

Variant 17

ECU

Catalog engine: 3500 273HP
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48671
SW upgrade: 34867100
Calibration: 34867100

Variant 18

ECU

Catalog engine: 3500 273HP
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48672
SW upgrade: 34867200
Calibration: 34867200

Variant 19

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48682
SW upgrade: 34868200
Calibration: 34868200

Variant 20

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48691
ECU HW: 89661-48A10
SW upgrade: 34869100
Calibration: 34869100

Variant 21

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48Q10
ECU HW: 89661-48Q00
SW upgrade: 348Q1000
Calibration: 348Q1000

Variant 22

ECU

Catalog engine: 3500 273HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 273 HP
ECU SW: 89663-48Q20
ECU HW: 89661-48Q00
SW upgrade: 348Q2000
Calibration: 348Q2000

Variant 23

ECU

Catalog engine: 3500 266HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48320
SW upgrade: 34832000
Calibration: 34832000

Variant 24

ECU

Catalog engine: 3500 266HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48340
SW upgrade: 34834000
Calibration: 34834000

Variant 25

ECU

Catalog engine: 3500 266HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48G00
SW upgrade: 348G0000
Calibration: 348G0000

Variant 26

ECU

Catalog engine: 3500 266HP
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48J01
SW upgrade: 348J0100
Calibration: 348J0100

Variant 27

ECU

Catalog engine: 3500 266HP
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48L11
SW upgrade: 348L1100
Calibration: 348L1100

Variant 28

ECU

Catalog engine: 3500 266HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48L40
ECU HW: 89661-xxxxx
SW upgrade: 348L4000
Calibration: 348L4000

Variant 29

ECU

Catalog engine: 3500 266HP
Engine code: 2GR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48L41
ECU HW: 89661-xxxxx
SW upgrade: 348L4100
Calibration: 348L4100

Variant 30

ECU

Catalog engine: 3500 266HP
Controller brand: DENSO
ECU: GEN1
Stock power: 266 HP
ECU SW: 89663-48M61
SW upgrade: 348M6100
Calibration: 348M6100

Variant 31

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-0DF40
SW upgrade: 30DF4000
Calibration: 30DF4000

Variant 32

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-0DF48
SW upgrade: 30DF4800
Calibration: 30DF4800

Variant 33

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-33804
SW upgrade: 33380400
Calibration: 33380400

Variant 34

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48310
SW upgrade: 34831000
Calibration: 34831000

Variant 35

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48A21
SW upgrade: 348A2100
Calibration: 348A210A

Variant 36

ECU

Catalog engine: 3300 211HP
Engine code: 3MZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48A40
ECU HW: 89661-48161
SW upgrade: 348A4000
Calibration: 348A4000

Variant 37

ECU

Catalog engine: 3300 211HP
Engine code: 3MZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48A01
ECU HW: 89661-48161
SW upgrade: 348A2100
Calibration: 348A2100

Variant 38

ECU

Catalog engine: 3300 211HP
Engine code: 3MZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48A53
ECU HW: 89661-48161
SW upgrade: 348A5300
Calibration: 348A5300

Variant 39

ECU

Catalog engine: 3300 211HP
Engine code: 3MZ-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48C30
SW upgrade: 348C3000
Calibration: 348C3000

Variant 40

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP
ECU SW: 89663-48C50
SW upgrade: 348C5000
Calibration: 348C5000

Variant 41

ECU

Catalog engine: 3300 211HP
Controller brand: DENSO
ECU: GEN1
Stock power: 211 HP

Variant 42

ECU

Catalog engine: 3000 204HP
Controller brand: DENSO
ECU: GEN1
Stock power: 204 HP
ECU SW: 89663-48182
SW upgrade: 34818200
Calibration: 34818200

Variant 43

ECU

Catalog engine: 3000 204HP
Controller brand: DENSO
ECU: GEN1
Stock power: 204 HP
ECU SW: 89663-48711
SW upgrade: 34871100
Calibration: 34871100

Variant 44

ECU

Catalog engine: 2700 188HP
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-0E010
SW upgrade: 30E01000
Calibration: 30E01000

Variant 45

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-0E031
SW upgrade: 30E03100
Calibration: 30E03100

Variant 46

ECU

Catalog engine: 2700 188HP
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-0E050
SW upgrade: 30E05000
Calibration: 30E05000

Variant 47

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-0E100
ECU HW: 89661-XXXXX
SW upgrade: 30E10000
Calibration: 30E10000

Variant 48

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-0E350
ECU HW: 89661-XXXXX
SW upgrade: 30E35000
Calibration: 30E35000

Variant 49

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48530
SW upgrade: 34853000
Calibration: 34853000

Variant 50

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48C10
SW upgrade: 348C1000
Calibration: 348C1000

Variant 51

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48E32
SW upgrade: 348E3200
Calibration: 348E3200

Variant 52

ECU

Catalog engine: 2700 188HP
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48F41
SW upgrade: 348F4100
Calibration: 348F4100

Variant 53

ECU

Catalog engine: 2700 188HP
Engine code: 1AR-FE
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48F51
ECU HW: 89661-XXXXX
SW upgrade: 348F5100
Calibration: 348F5100

Variant 54

ECU

Catalog engine: 2700 188HP
Controller brand: DENSO
ECU: GEN1
Stock power: 188 HP
ECU SW: 89663-48K00
SW upgrade: 348K0000
Calibration: 348K0000

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 RX 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 RX 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.