Locked tune help

Plain-language answers for owners of password-protected Haltech Nexus and Elite tunes.

• How to tell if your tune is lockedSigns that a Haltech Nexus or Elite .nexmap tune is password protected, the difference between a full and partial lock, and how to check yours for free.
• Bought a car with a locked tune?Bought a used car with a password-protected Haltech Nexus or Elite tune? Here are your options, from asking the original tuner to starting fresh or unlocking the file.
• Your tuner won't give you the passwordWhy tuners lock Haltech Nexus and Elite tunes, how to ask for access the right way, and what to do if your tuner has closed, moved on or won't help.