If you own a late-90s to early-2010s Honda, a is a magic wand. It can turn a $400 dealership trip into a $20 DIY fix.
PCM Code: Used for module replacement and syncing the PCM to the immobilizer. honda pcm code calculator
Warning: Entering the wrong code 3 times typically locks the system for 10 to 20 minutes. If you own a late-90s to early-2010s Honda,
This is a gray area.