Beta · Now supporting 7 manufacturers · 23 ECU models
The Denso ECU
calibration 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 download Secure processing Currently free during beta Supported Brands
Every major Denso generation
Toyota / Lexus
GEN 1
- NEC 76F0038 – 736 KB / 768 KB
- NEC 76F0039 – 1.0 MB
GEN 2
- NEC D76F0199GD – 1.25 MB
- NEC D76F0196F1 – 1.5 MB
- NEC D76F0219F1 – 2.0 MB
GEN 3
- RH850 R7F701202 – 4.0 MB
- RH850 R7F701216 – 4.0 MB
7 models
Opel / Vauxhall
- DEC30 (SH7055) – 512 KB
- DECE01 (SH7058) – 1.0 MB
- DECE02 (SH7059) – 1.5 MB
3 models
Subaru
- Denso KS (SH7058) – 1.0 MB
- Denso DT (SH7059) – 1.5 MB
- Denso DC (SH72543) – 2.0 MB
3 models
Mazda
- Denso RF7X (SH7058) – 1.0 MB
- Denso RF8X (SH7058) – 1.0 MB
- Denso R2AX (SH7058) – 1.0 MB
- Denso SH12 (SH72543) – 2.0 MB
4 models
Mitsubishi
- Denso RHF4 (SH7058) – 1.0 MB
- Denso RA6 (SH7058) – 1.0 MB
- Denso RA6 G2 (SH7059) – 1.5 MB
3 models
Nissan
- Denso D3 (SH7058) – 1.0 MB
- Denso 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.
Server-Side Processing
Patch matching and binary modification run on secure infrastructure. Your solutions never leak client-side.
Ready to decode your first file?
This is a beta version — currently free to use. Create an account and start patching in minutes.