A lot of times you just need to hook the Scan Tool up to the vehicle. using the Scan Tool..under Info..hit Validate Pids..
That usually does it for me. I am not the computer 'expert', so perhaps there is a newer and better way. The bottom line is that a number of 'Unsupported Pids' only become validated when you 'Key-on the Car'..with the Scan Tool connected.
Hope that does it for you.





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