| Tool | PCMFlash 1.2.0 | Kess V2 | Galletto 4 | ECU Flash | |------|----------------|---------|------------|------------| | | ★★★★★ | ★★★☆ | ★★☆☆ | ★★★★☆ | | Boot Mode Support | ★★★★★ | ★★★★☆ | ★★★☆☆ | ★★★☆☆ | | Speed | ★★★★☆ | ★★★★★ | ★★★☆☆ | ★★★★☆ | | Price | ★★★☆☆ | ★★☆☆☆ | ★★★★★ | ★★★★★ | | Beginner-Friendly | ★★☆☆☆ | ★★★★☆ | ★★★☆☆ | ★★★★☆ |
Version 1.2.0 wasn't the newest software on the market, but it was legendary in the forums. It was the "stable" build. The one that could talk to the GM 16188051 chipsets without frying the EEPROM. The newer versions tried to auto-detect too much and often failed on older hardware. 1.2.0 was honest. You told it what to do, and it did it. pcmflash 1.2.0
: Users report buttons remain disabled despite having version 1.2.0 installed. Resolution requires SM2-PRO hardware for bench reading with Module 71. For VAG MED17 TP2.0, the OBD module only identifies ECUs and writes files—you cannot read. Find an original file matching the ECU software details, modify that file, and write it back | Tool | PCMFlash 1
Works with native manufacturer drivers for stable communication. The newer versions tried to auto-detect too much