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HOWTO: License a file from a 3rd party hand controller.


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To convert an existing customer to PCMTEC and avoid accidentally licensing the vehicle twice follow these steps. 

  • Perform a read of the customers vehicle and save the file (do not license it) as tuned.tec
  • Return the customers vehicle to stock using the hand controller. 
  • Perform a read of the customers vehicle and save the file (do not license it) as stock.tec
  • Make note of the door tear tag, the tuned (if you didn't tune the vehicle originally, you may not be able to determine this) and stock tear tags. 

If they are all the same there is no problem. If they are different OSIDs you need to decide which one to license. 

If you decide to use the stock.tec you can license and flash this straight in without issue. 

If you decide to use the tuned.tec you need to first license the file. Then manually correct the OSID to that of its tear tag (Note. Ensure you use the correct osid, it must match, this may be different to the stock.tec file and door tear tag so double check). 

You will then need to correct the strategy as well. This ensures you can datalog and you will get the "return to stock" right click options. 

If you decide to use the door tear tag instead, follow the return to stock HOWTO guide instead. 

As the licensing system uses VIN/Serial number and OSID and you have a different OSID in the stock.tec and tuned.tec files it will prompt you to license both seperately. In this case ensure you decide ahead of time which OSID you wish to license. 

Update: we now have a "fix corrupted osid" option under calibration tools, this will ask you for the correct catch code and automatically correct the OSID/Strategy for you which will allow all compare/return to stock features to work correctly.

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In the case of an engine conversion (no door sticker, BF PCM), is there anything special I need to do to change over? Or just read the tune, return the car to stock using the controller, license the *tuned.tec* file and it'll flash as per normal? Understandably the tune will need be checked over before re-flashing it back in to check for errors / mismatches etc. Car is currently SCT X4 tuned.

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5 minutes ago, apoc said:

In the case of an engine conversion (no door sticker, BF PCM), is there anything special I need to do to change over? Or just read the tune, return the car to stock using the controller, license the *tuned.tec* file and it'll flash as per normal? Understandably the tune will need be checked over before re-flashing it back in to check for errors / mismatches etc. Car is currently SCT X4 tuned.

Yes there will be no issue at all. This guide is mainly to prevent accidentally licensing the PCM twice in the case where the OSIDs don't match and you license the wrong file.

It is all about determining what the possible OSIDs are for the vehicle and which one you want to use. Then finally correcting the strategy/osid so that your return to stock functionality works in the editor.

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  • 3 weeks later...

For anyone who is interested this issue was due to the memory constraints of the Mk1 FG operating systems, they can only have a smaller subset of features enabled as they control the 5R55 5 speed auto via the PCM which takes up a lot of memory. There are alternative operating systems available that will work in the FG Mk1 if required (providing you don't have the 5R55 transmission) or you can just use a subset of the custom os features (eg a slightly smaller subset of flex fuel tables).

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11 hours ago, EPperformance said:

If we have already licenced a vehicle without flashing back to stock with sct, theres a good chance we will have to licence the same vehicle again even tho we already have the tuned file saved with pcmtech? 

If the stock OSID is different to the one you licensed then yes it will ask you to license it again. Eg if the tuned file was HACCK** and the stock file was HACE**

Send us an email with the two files and we can tell you. Otherwise you should be able to tell on the hand controller.

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