Variant 1
ECU- Catalog engine
- 15000 565HP
- Controller brand
- MOTOROLA
- ECU
- CM870
- Stock power
- 565 HP
PETERBILT TRUCK · CM870 ECU
PETERBILT TRUCK MODEL 379 CM870 tuning files
Tuning file coverage for the PETERBILT TRUCK MODEL 379 running the CM870 ECU. Across the matched variants stock power runs from 565 to 565 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Solutions that apply to the CM870 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
1 distinct variant for the PETERBILT TRUCK MODEL 379 on the CM870 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the CM870 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 379 on the CM870?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the CM870 ECU software on this model?
Yes — the PETERBILT TRUCK MODEL 379 on the CM870 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.