PETERBILT · CM2250 ECU

PETERBILT 389 CM2250 tuning files

Everything we work with on the PETERBILT 389 fitted with the CM2250. The matched variants sit between 450 and 525 HP from the factory. 2 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.

Available solutions

What we can run on the CM2250 for this vehicle — the precise options narrow down by engine and software version.

Engine variants & ECU software

2 distinct variants for the PETERBILT 389 on the CM2250 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
15000 525HP
Engine code
ISX15
Controller brand
MOTOROLA
ECU
CM2250
Stock power
525 HP

Variant 2

ECU
Catalog engine
14900 450HP
Controller brand
MOTOROLA
ECU
CM2250
Stock power
450 HP

Related vehicles

Other vehicles built on the CM2250 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 CM2250?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the CM2250 ECU software on this model?

Yes — the PETERBILT 389 on the CM2250 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.

PETERBILT 389 CM2250 ECU Tuning Files | TuningBay