Mazda Forscan Spreadsheet _verified_ -

Every month, a user posts on Reddit: "Used FORScan spreadsheet, now my car won't start."

The classic Mazda FORScan spreadsheet works less and less on the newest cars. You can still diagnose and read codes, but many BCM tweaks (like the double-honk) are no longer accessible via standard OBD. mazda forscan spreadsheet