Variant 1
ECU- Catalog engine
- 3000 264HP
- Controller brand
- DELCO
- ECU
- E39
- Stock power
- 264 HP
- ECU SW
- 12642819
- ECU HW
- 12639706
- SW upgrade
- 12644429
CHEVROLET · E39 ECU
Tuning file coverage for the CHEVROLET CAPTIVA running the E39 ECU. The matched variants sit between 182 and 264 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Solutions that apply to the E39 on this vehicle platform. The exact set depends on the specific engine and software version.
4 distinct variants for the CHEVROLET CAPTIVA on the E39 ECU. Reference the engine and controller software when you upload.
Other vehicles built on the E39 controller or the same engine — handy when a platform spans several models and makes.
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Yes — the CHEVROLET CAPTIVA on the E39 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.