Stage 1 Ducato 2.3 JTD Mjet — Marelli MJ8F3 1942B140 — ECU Firmware HW00D

• Initial Stage 1 calibration for Marelli MJ8F3 (SW 1942B140)
• Torque model revised for improved heavy-load performance
• Turbo and injection parameters optimized for drivability and load management
• Checksum integrity verified​

• Package includes Original + Stage 1 binaries
• Confirm ECU hardware number HW00D and software 1942B140 before flashing
• Compatible with tools supporting Marelli MJ8F3 controllers, such as CMD Flash
• Designed for stock engine and exhaust components
• Intended solely for off-road or motorsport applications​