Z07 suspension performance programming

Chris Owner/Technician Martinsville, New Jersey Posted   Latest   Edited  
Unsolved
Programming
2016 Chevrolet Corvette Z06 6.2L (6 LT4) 7-spd (TR6070)

I have a customer who brought me documentation regarding a GM performance software update to soften his ride​.​ It states that it’s not available as a regular tis file and you have to call GM to get authorization and the file. Does anybody know if this can be done without taking to dealer. I have a GM script and mdi2. I called the ac Delco help desk was forced to leave a message and still have not received a call back. Thanks in advance for your responses

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Gary Owner/Technician
Roseville, California
Gary Default
 

Yes, it can be done without taking it to the dealer. It requires a VCI number. if you've done GM programming, you should have seen a selection for “normal” or ”VCI”. When you select VCI you need to call GM and they provide you with the calibration file to do what you need to do. They just require your login credentials. There could be a wait for them to upload the file that you need, so prepare…

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Haris Technical Support Specialist
Commack, New York
Haris Default
 

It appears as though the CAL file would be available via a VCI number. In TIS2WEB you would select VCI then input a number provided by GM tech line to access the file. I’m not sure if you can obtain the CAL file outside of being a dealership employee, but it’s worth a try. The Update may drastically change vehicle dynamics and thats why they probably don’t make it easily available. This is…

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Gary Owner/Technician
Roseville, California
Gary Default
 

It is available outside the dealer, I’ve done this before. There are even some normal PCM flashes that require you to get a VCI number due to that fact that it’s just not on the server anymore. All they require for a VCI number is a valid ‘tis login, even a two day login is valid.

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Chris Owner/Technician
Martinsville, New Jersey
Chris Default
 

I’ve done programming before using a Vci number but this one labeled as performance upgrade and states a price of $350 to be done I call the GM aftermarket desk had to leave a message and never got a return call. I kind of think josh Gilbert might be right. Thank you for your response i’m Going to try again to call on Monday and see if I can get a response this time. I will update with there…

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Josh Service Manager
Greensboro, North Carolina
Josh Default
 

Most saying this is available outside of a dealer...programming and some VCI programming may be available outside of a dealer, but I don't believe this particular one is. I am a foreman at a Chevrolet dealer and have performed this specific reflash multiple times. It is a "GM Accessory" and the only way to get it is to have it billed directly to the dealer account. The customer pays a fee of…

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Chris Owner/Technician
Martinsville, New Jersey
Chris Default
 

Thanks for your reply josh I have a feeling you are right I would just like to get confirmation from GM one way or the other so I can let my customer know for sure.

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