Upload a binary, auto-detect the software, and apply EGR, DPF, or AdBlue patches with signature-based precision — all processed securely server-side.
Supported Brands
Toyota / Lexus
7 models
Opel / Vauxhall
2 models
Subaru
3 models
Mazda
5 models
Mitsubishi
3 models
Nissan
2 models
Volvo
1 model
How It Works
Drop your ECU binary into the decoder. No cables, no bench setup — just the file.
Auto-identification reads the software number and matches your ECU to the right patch family.
Choose EGR, DPF, or AdBlue off. Signature-based matching applies the correct bytes server-side.
Get your patched file back instantly, ready to flash. Checksums stay manual — you stay in control.
Why Denso Decoder
Clean solution patches across every supported Denso generation, applied with byte-level precision.
The decoder fingerprints your file and selects the correct brand, model, and patch set automatically.
Browse and download original stock files to verify before you tune — a growing reference catalogue.
Patch matching and binary modification run on secure infrastructure. Your solutions never leak client-side.