VersaTuner Lite includes access to our prebuilt tunes, as well as the Tune Customizer that lets you enable launch control/no lift shift and disable unwanted DTCs. To increase oil injection rate or change cooling fan temperatures you need to edit the actual tune. That requires the full version of Ver...

A modern SkyActiv ECU may have thousands of tables. It will never be fully mapped due to the sheer amount of work required. And most of those tables are irrelevant to performance tuning. We have the core mapped out and we identify additional tables in a goal oriented way. For example, we will try bu...

VersaTuner does not offer this functionality. You can try using general diagnostic software like Forscan.

The reality is that we don't have Mazda’s original source code or documentation. To give you tuning access, our engineers have to reverse-engineer raw assembly code - literally tracing machine logic line by line. When we say it's "not yet clear" exactly when a table is used, we’re being tr...

You cannot flash ND2 software to an ND1. The ECUs are completely different. Either your car has an ND1 ECU fitted or something does not add up.

The number of available tunes depends on the platform. They are listed on the order page for each vehicle platform.

The online *tune*, not tuner database is what you see in the Tunes tab in VersaTuner. No additional free prebuilt tunes are available. To get a custom tune for specific modifications, you need to contact an e-tuning partner. Custom tunes are paid. You can see a list of our partners here: https://www...

The gains with the 91 octane tune are ~30% lower compared to 93 octane. All listed tunes are included in the purchase of VersaTuner Lite (that also includes new tunes if they will be published in the future). You can try different tunes and go back to stock as often as you like. Flashing a tune take...

Yes, your ECU can be reflashed.

Do you have a gen 1 or gen 2?