Quote:
Originally Posted by SSMickey
I see your point now. So, your saying that the dealer has to enter the VIN to access the calibration files in the data base, and then can only access the cal files associated with that VIN? I was not aware of the vehicle calibrations being linked to the VIN like that. Good information, thanks.
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No, the VIN is entered to track what calibrations went into the vehicle using TIS. Calibrations available for a specific vehicle are displayed via the part number. You can check what updates are available - if any - for your vehicle at gmcalid.com.
Entering the VIN there will show what part numbers, and theyre associated calibrations where loaded when the vehicle was built.
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