Beta · Now supporting 7 manufacturers · 23 ECU models
The Denso ECUcalibration decoder
Upload a binary, auto-detect the software, and apply EGR, DPF, or AdBlue patches with signature-based precision — all processed securely server-side.
Instant downloadSecure processingCurrently free during beta
Supported Brands
Every major Denso generation
Toyota / Lexus
GEN 1
NEC 76F0038 – 736 KB / 768 KBNEC 76F0039 – 1.0 MB
GEN 2
NEC D76F0199GD – 1.25 MBNEC D76F0196F1 – 1.5 MBNEC D76F0219F1 – 2.0 MB
GEN 3
RH850 R7F701202 – 4.0 MBRH850 R7F701216 – 4.0 MB
7 models
Opel / Vauxhall
DEC30 (SH7055) – 512 KBD0600 (SH7055) – 512 KBD06004/D06005 (SH7058) – 1.0 MBDECE01 (SH7058) – 1.0 MBDECE02 (SH7059) – 1.5 MB
5 models
Subaru
Denso KS (SH7058) – 1.0 MBDenso DT (SH7059) – 1.5 MBDenso DC (SH72543) – 2.0 MB
3 models
Mazda
Denso RF7X (SH7058) – 1.0 MBDenso RF8X (SH7058) – 1.0 MBDenso R2AX (SH7058) – 1.0 MBDenso SH12 (SH72543) – 2.0 MB
4 models
Mitsubishi
Denso RHF4 (SH7058) – 1.0 MBDenso RA6 (SH7058) – 1.0 MBDenso RA6 G2 (SH7059) – 1.5 MB
3 models
Nissan
Denso D3 (SH7058) – 1.0 MBDenso HP (SH7059) – 1.5 MB
2 models
Volvo
Denso MB279700 (SH72546) – 3.75 MB
1 model
Why Denso Decoder
Built for tuners who need precision
EGR · DPF · AdBlue Off
Clean solution patches across every supported Denso generation, applied with byte-level precision.
Auto ECU Detection
The decoder fingerprints your file and selects the correct brand, model, and patch set automatically.
Stock Virtual Read Library
Browse and download original stock files to verify before you tune — a growing reference catalogue.
Ready to decode your first file?
This is a beta version — currently free to use. Create an account and start patching in minutes.