Quote:
Originally Posted by Willie Makeit
you can't "assign" the same VIN to multiple PCM's.
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From HPTuners help. In order to change the VIN with HPTuners though, you have to have credits for both the source and destination VIN. Tech2 and EFILive also can change the VIN.
Changing the VIN
Using the Change VIN function allows you to easily change the VIN of the vehicle you are connected to.
This method changes the VIN without having to write a new flash file to the vehicle. Using the Change VIN form will not change the VIN of the file you currently have open.
Procedure
To make VIN changes permanent please use the following steps:
1. Connect to the vehicle and select Change VIN from the Flash menu.
2. Enter your new valid VIN and click Commit VIN Changes.
3. Wait 15 seconds after VIN changes have completed.
4. Turn Ignition off for 30 seconds.
5. Turn Ignition on for 30 seconds.
6. Turn Ignition off for 30 seconds.
7. Turn Ignition on for 30 seconds.
8. The new VIN is now stored.
Change VIN Rules
The following checks are in place when using the Change VIN function:
* You must have support for the vehicle you are modifying.
* You must have support for the new VIN you are trying to write.
* The new VIN must be valid and must qualify for the OS currently found on the VCM.