Variant 1
ECU- Catalog engine
- 15200 550HP
- Engine code
- CAT C15
- Controller brand
- CATERPILLAR
- ECU
- A4E4I3
- Stock power
- 550 HP
- ECU SW
- 3825348-00
- ECU HW
- 2929610-01
PETERBILT TRUCK · A4E4I3 ECU
PETERBILT TRUCK MODEL 388 A4E4I3 tuning files
Here is what the catalog holds for the PETERBILT TRUCK MODEL 388 on the A4E4I3. Across the matched variants stock power runs from 550 to 550 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Applicable work for the A4E4I3 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 TRUCK MODEL 388 on the A4E4I3 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the A4E4I3 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 388 on the A4E4I3?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the A4E4I3 ECU software on this model?
Yes — the PETERBILT TRUCK MODEL 388 on the A4E4I3 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.