Variant 1
ECU- Catalog engine
- 12000 505HP
- Engine code
- CTRLPC-12
- Controller brand
- CATERPILLAR
- ECU
- DEM3AV6
- Stock power
- 505 HP
- ECU SW
- 1573705-02
- ECU HW
- 34292158K
PETERBILT TRUCK · DEM3AV6 ECU
PETERBILT TRUCK MODEL 378 DEM3AV6 tuning files
PETERBILT TRUCK MODEL 378 on the DEM3AV6: matched, calibrated and delivered with care. Across the matched variants stock power runs from 505 to 505 HP. For this platform the dependable path begins with Stage 1 and Stage 2. We match the right calibration to your exact software and validate it before delivery.
Available solutions
What we can run on the DEM3AV6 for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the PETERBILT TRUCK MODEL 378 on the DEM3AV6 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the DEM3AV6 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the PETERBILT TRUCK MODEL 378 on the DEM3AV6?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the DEM3AV6 ECU software on this model?
Yes — the PETERBILT TRUCK MODEL 378 on the DEM3AV6 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.