Hummer H3 original ECU files
17 original (stock) ECU files for the Hummer H3: 1 ECU types and 3 engine versions. Find your exact file by its hardware (HW), software (SW) or calibration number and compare it with your own read.
ECU types in the Hummer H3 1
Engine versions 3
All Hummer H3 files 17
| Vehicle | ECU | HW | SW | Calibration / upgrade | |
|---|---|---|---|---|---|
| Hummer H33.7 240hp | Delco E38 | — | 12635973 | 12635625 | €20 · Open |
| Hummer H33.7 240hp | Delco E38 | 12605811 | 12628994 | 12657478 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | 12617631 | 12609199 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | 12618588 | 12619152 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | 12620193 | 12618188 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | 12620193 | 12618189 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | — | — | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | 12631999 | 12630377 | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | — | — | €20 · Open |
| Hummer H33.7 242hp | Delco E38 | — | — | — | €20 · Open |
| Hummer H33.7 242hp | Delphi | — | — | — | €20 · Open |
| Hummer H33.7 242hp · LLR | Delphi | — | — | — | €20 · Open |
| Hummer H33.7 242hp · LLR | Delphi | — | — | — | €20 · Open |
| Hummer H33.7 242hp | Delphi | — | — | — | €20 · Open |
| Hummer H33.7 242hp · LLR | Delphi | — | — | — | €20 · Open |
| Hummer H35.3 305hp | Delco E38 | — | 12628994 | 12629107 | €20 · Open |
| Hummer H35.3 305hp · LH8 | Delco E38 | — | 12630465 | 12630213 | €20 · Open |
All hardware, software and calibration numbers
Find the number from your ECU read (Ctrl+F) and open the matching file.
Hardware (HW) · 1
Tuning for Hummer H3 — done by our engineers
- Stage 1 / Stage 2 / ECO
- DPF / FAP OFF
- EGR OFF
- AdBlue / SCR OFF
- DTC OFF
- Speed limiter, Start&Stop
Questions
Are these files modified?
No. Every file is an original (stock) read of a Hummer H3 control unit, delivered exactly as read. If you need a modified file, order tuning below.
How do I find the right file?
Read the ECU with your tool and compare the hardware (HW) and software (SW) numbers — and the calibration when several files share one software number. The vehicle name alone is not enough: the identifiers decide.
How do I get the file?
Create an account on our file service, top up your balance and download the file straight away. Every original file costs €20.
My number is not listed. What now?
Send us the HW/SW numbers of your ECU on WhatsApp or by email. We check our full archive and reply.
Can you tune Hummer H3?
Yes. We make Stage 1/2 files and DPF, EGR, AdBlue/SCR and DTC solutions for Hummer H3 (depending on the engine). Upload your read on our file service.