DENSO DIESEL VMAX OFF - MAZDA ECU File Service

VMAX OFF — Removes the speed limiter (Vmax) or sets it to the desired value.

VMAX OFF for MAZDA DENSO DIESEL: 4 engineer-made solutions are stored for this ECU, applied 10 times. Stored solutions are written by our engineers and tested on a dyno before they are added to the system. See the general VMAX OFF service page, the original files for this ECU or all DENSO DIESEL projects.

44 software (SW) versions of this ECU are in our archive (first 24 shown):

R2AX-18881-FR2AX-18881-JR2AX-18881-KR2BF-18881-AR2BG-18881-CR2BP-18881-CRF8G-18881-DRF8G-18881-HRF8L-18881-GRFAP-18881-0RFYG-18881-AS52J-18881-FS52M-18881-DS52M-18881-GS54P-18881-FS56G-18881-DS801-18881-FSH12-18881-PSH3E-18881-SSH3F-18881-SSH3G-18881-SSH4J-18881-PSH5N-18881-JSH5S-18881-J

Other operations for this ECU:

DPF OFF STAGE1 EGR OFF LAMBDA OFF ADBLUE OFF POPBANG FAN DEGREE

#15454 Jul 25, 2026

DENSO DIESEL

Car / MAZDA

SH4J-18881-P SH4J-188K2-P

SHYM-18881-A SHYM-188K2-A

STAGE1 VMAX OFF