Stage 1 L200 2.5 DiD Denso PF_4D56 — ECU Firmware H1544

• Initial Stage 1 calibration for Mitsubishi L200 2.5 DiD on Denso Undefined
• Turbo boost profile reprofiled for reduced lag and enhanced low-end pull
• Injection and rail-pressure curves refined for smoother torque delivery
• Torque and load thresholds increased within safe OEM limits
• EGR/DPF parameters adjusted to ensure reliable regeneration cycles​

• Compatible with Denso Undefined ECUs – verify ECU-Nr Prod & ECU-Nr ECU before flashing
• Backup original firmware via CMD-Flash to enable safe rollback
• Flash-ready ECU firmware; install via OBD or bench tool
• Expect sharper turbo response, stronger mid-range torque, and crisper shifts​