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  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 8m 19d
  • Gender: Male
  • Location: Perth

Xcal4 gives the tuner the ability to prevent the tune being read from the PCM. Will be interesting to see if HPT can overcome this.

  • Member
  • Member For: 11y 3d
  • Gender: Male
  • Location: Australia

Well that's sh*t if the case.... I'll have to find out.

I tried the beta software and when I do a read it has garbled text for the OS type. It successfully does a read of the spanish oak 1024k so will see what they can do with it.

Support said they supported reading SCT tunes before I bought the product but now they are going back on their word saying generally they don't support any other tunes.

  • Member
  • Member For: 11y 3d
  • Gender: Male
  • Location: Australia

Also with the XCAL if I do a "Return to stock" and pull the file via HPT and make no changes I can then reflash my modded SCT without issue yes?

What I'm getting at is the "return to stock" is reversible providing I don't do a write with HPT ?

  • Member
  • Member For: 11y 3d
  • Gender: Male
  • Location: Australia

Ok that is good to know. If I got my modded tune working (assuming HPT can figure it out) made changes and flashed it then decided to revert to the original "return to stock" tune, would the SCT be none the wiser and allow me to load my modded SCT tune back again?

  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 8m 19d
  • Gender: Male
  • Location: Perth

Yes, but you need to return the car to stock and unmarry the Xcal first. If/when you decide to reflash the SCT modded tune, put the PCM back to stock with HPT first so the Xcal save the stock tune as it's stock tune.

  • Member
  • Member For: 22y 2m 12d
  • Gender: Male

I tried to pull a tune with the latest XCAL and it wouldn't. Was pretty sure it was something new.

It does not matter, it just means that you are going to learn to tune sooner rather than later.

We can send you a tune and guide you. Get your stock tune first.

What model are you tuning.

  • Member
  • Member For: 19y 15d
  • Gender: Male
  • Location: @ my laptop

Recently had a car that was previously tuned with HP and the SCT would not make changes in some areas until it was reflashed by a dealer

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