Owner guides
Locked out of your own tune? Start here. These are plain walkthroughs, written for the person who owns the car, not the person who tuned it.
How to tell if your ECU map is actually locked
For owners who opened the tuning software and are not sure what they are looking at.
Locked map vs locked ECU: the difference that decides your fix
For anyone told their ECU is "locked" who needs to know which kind they are dealing with.
You bought a car with a locked ECU: a calm walkthrough
For new owners of a used car whose standalone ECU holds a tune they cannot open.
The tuner will not share the password: your options, ranked
For owners whose tuner protected the tune and will not, or cannot, hand it over.
Before you buy a used standalone ECU: seven checks
For buyers eyeing a secondhand standalone ECU or a used car that runs one.
Your map, back in your hands
Once you know what you are dealing with, drop the file on the tag and let the read-out tell you where it stands, for nothing.