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· Worthless reject member
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Whats up with the ones that want your Vin number for them to program it?
never messed with a place like that as that's something you can do yourself with hptuners.

if you do try a different service number ECM than what you have, don't overwrite it with your old tune if you want to be safe. Read and save the calibration from your new ECM, do a file compare with your old tune, and manually copy paste the tables that are different from your old tune to the file from your new ECM. It will then have the right OS and other software segments that work with that ECM but the data from your old tune, and shouldn't brick.

then you need to disable VATS and change the VIN over to your VIN so it will start and run. eventually you can take it to a dealer or someone with a tech ii to attempt a relink.
 

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never messed with a place like that as that's something you can do yourself with hptuners.

if you do try a different service number ECM than what you have, don't overwrite it with your old tune if you want to be safe. Read and save the calibration from your new ECM, do a file compare with your old tune, and manually copy paste the tables that are different from your old tune to the file from your new ECM. It will then have the right OS and other software segments that work with that ECM but the data from your old tune, and shouldn't brick.

then you need to disable VATS and change the VIN over to your VIN so it will start and run. eventually you can take it to a dealer or someone with a tech ii to attempt a relink.
That wont work if the OS is different. OS isnt the tables, it is the actual operating system code on the ECU. to get the OS of your original on an ECU with a different OS, you have to take your old file and do a "Write all" to the new ECU
 
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· Worthless reject member
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That wont work if the OS is different. OS isnt the tables, it is the actual operating system code on the ECU. to get the OS of your original on an ECU with a different OS, you have to take your old file and do a "Write all" to the new ECU
if i take an 06 GTO E40 and do a write complete with an 05 GTO calibration file, it will brick.

that being said, if an OS with a different service number will run the engine and work with the rest of the modules in the car, why do you need the same OS from your old ECM? you don't.

so, it's safer to do a file compare and move the values over, keep the original software with the right ECM.
 
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