Variant 1
ECU- Catalog engine
- 12900 500HP
- Controller brand
- DELPHI
- ECU
- ETC3
- Stock power
- 500 HP
PETERBILT · ETC3 ECU
PETERBILT 389 ETC3 tuning files
The PETERBILT 389 on the ETC3, mapped from stock file to finished result. Across the matched variants stock power runs from 500 to 500 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Applicable work for the ETC3 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the PETERBILT 389 on the ETC3 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the ETC3 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the PETERBILT 389 on the ETC3?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the ETC3 ECU software on this model?
Yes — the PETERBILT 389 on the ETC3 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.