Is there a way to calibrate cruise control?

[8850]

08 A6 Corvette. My cruise control speed reads slightly different than my lap top speed and speedometer. Can cruise control be calibrated so all three read the same?

[carlrx7]

i think that's a problem with all c6's. i think the discrepancy comes from the speedo and hud not matching as well.

[brandonleg]

Different vehicle, but I'd like access to the PID or whatever they're using for control... I HATE how the trucks will lose 3 or 4 mph going up hill.

[8850]

i think that's a problem with all c6's. i think the discrepancy comes from the speedo and hud not matching as well.

So all C6s have this problem and apparently HPT doesn't have the capability to recalibrate C6 cruise control.

Different vehicle, but I'd like access to the PID or whatever they're using for control... I HATE how the trucks will lose 3 or 4 mph going up hill.

Don't think I have that problem. I just want both reading the same and of course matching my GPS.