Variant 1
ECU- Catalog engine
- 5900 142HP
- Engine code
- QSB-155C
- Controller brand
- MOTOROLA
- ECU
- CM554
- Stock power
- 142 HP
- ECU SW
- 3990517
- ECU HW
- J91870.03
JCB · CM554 ECU
JCB FASTRAC on the CM554: matched, calibrated and delivered with care. The matched variants sit between 142 and 142 HP from the factory. 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.
Solutions that apply to the CM554 on this vehicle platform. The exact set depends on the specific engine and software version.
2 distinct variants for the JCB FASTRAC on the CM554 ECU. Reference the engine and controller software when you upload.
Other vehicles built on the CM554 controller or the same engine — handy when a platform spans several models and makes.
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Yes — the JCB FASTRAC on the CM554 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.