I forgot about this thread... sorry to post and then drop out.
Yes mine were PQs stock 20's (I already wore though my tread). I replaced the tires with PQ's and started the TPMS learning process. The first 3 went fine, last one would not learn... tried it over 10 times over 2 days time.
I took it to the dealer, they couldnt get it to learn either so they reprogrammed the TPMS somehow... then it worked fine... but they charged me ~$75 even though I am under a warranty and an extended warranty... so I gave them a bad review
PS: don't go to Premium Chevy in Bessemer, AL!
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Ordered: 10-13-08
Built: 3-30-09 (#1691)
Recieved: 6-12-09
Blacked out, Cammed (Lunati Voodoo 233/245, .578/.598 @114°, +4°), ARH LTs, VR OTR CAI, Cutouts, and lots of other fun mods.