Coming Soon

Audi DL501 TCM \u2014 IMMO OFF

Free browser-based immobilizer removal for Audi DL501 S-Tronic transmission control modules. Upload your flash dump, get a patched file with checksum corrected.

Author: OBD2 Center Limited

Auto-detect Gen1 & Gen2

Automatically identifies DL501 Gen1 (0x178000) and Gen2 (0x280000) by file size and ID string.

3-patch IMMO removal

BSR trampoline redirect, BRA validation bypass, and IMMO status flag correction — all applied automatically.

Upload → Patch → Download

Drop your .bin flash dump, tool patches it in your browser, download the patched file with checksum corrected.

Checksum auto-correct

Pre-calculated checksum values written automatically so the patched file is flash-ready.

Technical Specifications

PlatformAudi DL501 (0AM) S-Tronic 7-speed
SW TargetS01011B0-MusterSW / EV_TCMVL381
Gen1 Size0x178000 (1,540,096 bytes)
Gen2 Size0x280000 (2,621,440 bytes)
Patches3 code patches + 1 trampoline + 1 checksum
Processing100% local in browser — no upload

Browser version in development

We\u2019re porting this Python tool to run entirely in your browser \u2014 no installs, no uploads to any server. Stay tuned.

DL501 IMMO OFF Tool \u2014 GoFix Africa Tools
All processing will be 100% local in your browser. No data is uploaded to any server.