MARELLI 9GDZ+ ECU (MPC5644) — Processor, Protocols, Vehicles & Damos Maps

Technical passport of the MARELLI 9GDZ+ ECU: MPC5644 processor, fitment (3 vehicles: FAW / Jiefang / Xichai, Universal ECU Protocol), Bench/Boot PFLASH + DFLASH read/write protocols and checksum recalculation.

1. HARDWARE READ/WRITE PROTOCOLS ON THE BENCH (BENCH / BOOT / OBD — 1 VARIANTS)PCMFLASH / KESS3 / FLEX / BENCH

Brand	ECU variant	MCU	Modes	Supported operations (PFLASH / DFLASH / CheckSum)
FAW	`MARELLI 9GDZ+ MPC5644`	`MPC5644`	Bench •	`Read/Write DFLASH/PFLASH`

ECU model	Processor (MCU)	Vehicle brand fitment	Files in database	Diagram & ROMs
MARELLI 9GDZ+	`MPC5644`	FAW / Jiefang / Xichai, Universal ECU Protocol (3 vehicles)	Vehicle variants in DB: 3 (Stock & Damos matched by software)	Passport & files →