LEXUS · GEN1 ECU

LEXUS CT GEN1 tuning files

Everything we work with on the LEXUS CT fitted with the GEN1. The matched variants sit between 136 and 136 HP from the factory. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All CT 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

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

Variant 1

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-47431
SW upgrade: 34743100
Calibration: 34743100

Variant 2

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76011
SW upgrade: 37601100
Calibration: 37601100

Variant 3

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76014
SW upgrade: 37601400
Calibration: 37601400

Variant 4

ECU

Catalog engine: 1800 136HP
Engine code: 2ZR-FXE
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76021
SW upgrade: 37602100
Calibration: 37602100

Variant 5

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76023
SW upgrade: 37602300
Calibration: 37602300

Variant 6

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76030
SW upgrade: 37603000
Calibration: 37603000

Variant 7

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76053
SW upgrade: 37605300
Calibration: 37605300

Variant 8

ECU

Catalog engine: 1800 136HP
Engine code: 2ZR-FXE
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76101
ECU HW: 89661-XXXXX
SW upgrade: 37610100
Calibration: 37610100

Variant 9

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76130
SW upgrade: 37613000
Calibration: 37613000

Variant 10

ECU

Catalog engine: 1800 136HP
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76180
SW upgrade: 37618000
Calibration: 37618000

Variant 11

ECU

Catalog engine: 1800 136HP
Engine code: 2ZR-FXE
Controller brand: DENSO
ECU: GEN1
Stock power: 136 HP
ECU SW: 89663-76032
ECU HW: 89661-XXXXX
SW upgrade: 37603200
Calibration: 37603200

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 CT 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 CT 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.