u7158 crom 9r02?

[sonicbluel]

03 ford lightning.

just a couple questions:

- if i update to the latest crom will my custom tunes still function?

- is there any benifit to updateing from the 9r01 to the 9r02?

Thank you.

[tuningss]

Not sure what benefits are in the 9r02 update, but if your truck is running fine now, I would leave it alone.

[mikel]

No, 9r01 and 9r02 are basically the same.