| Feature | PCMflash 1.20 | Kess 3.0 | EVC ID | | :--- | :--- | :--- | :--- | | | Fast (10 min average) | Very Fast (5 min) | Slow (30+ min) | | Boot Mode | Yes (Wizard included) | Limited | No | | Tricore Support | Full via external adapter | Partial | No | | Checksum Fix | Automatic (CRC, RSA) | Manual script needed | Manual | | Price Point | Mid-Range ($300-500) | High ($1500+) | Low ($100) |
Connect to a known working ECU. Click Read > Full Backup . Version 1.20 will automatically save a .bin and a .json metadata file, which is critical for reassembly. Comparison: PCMflash 1.20 vs. Competitors How does version 1.20 stack up against tools like WinOLS (which is primarily for mapping, not reading) or Kess 3.0? pcmflash 1.20
PCMflash 1.20 is the "Goldilocks" tool—cheaper than Kess but more capable than generic MPPS clones. Common Use Cases for Tuners Case 1: Removing Speed Limiters Using PCMflash 1.20, locate the 16-bit map limiting vehicle speed. The software's "Map Finder" tool highlights areas with high byte values (usually 0xFA = 250 km/h). Modify, recalculate checksum, and flash. Case 2: DPF (Diesel Particulate Filter) Off For EDC17 ECUs, PCMflash 1.20 allows you to read the full 8MB file, use the "DPF Swirl Flap Remover" plugin, and write back without needing to open the ECU case. Case 3: ECU Swapping (Immo Off) If replacing a used ECU, version 1.20 includes an "EEPROM Tool" that lets you edit the immobilizer bytes, syncing the donor ECU to your vehicle's key fob. Troubleshooting Common PCMflash 1.20 Errors Even robust software has issues. Here are fixes for the top 3 errors in version 1.20: | Feature | PCMflash 1
Navigate to Settings > Hardware > Protocol . Select your interface. If using a cloned MPPS cable, ensure you select "MPPS Safe Mode" to avoid voltage spikes. Comparison: PCMflash 1