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X25 · 10-12-2015, 08:23 PM

I don't think it's programmable, except perhaps by GM, itself? I'd love to learn, too. Hoosier R7s exceed 50 PSI, which might cause issues.

By the way, just in case you didn't know about this, I think your TPMS is measuring it right, if only you were at sea level. The sensors we have measure absolute pressure, while we get absolute - atmospheric pressure reported on TPMS screen. If you live in high altitude, your ambient pressure will drop, and your handheld pressure gauge will report higher numbers than TPMS, since it measures relative pressure, not absolute.

10-12-2015, 08:23 PM	#2
X25 Drives: '16 C7 Z51 Join Date: May 2012 Location: Redmond, WA Posts: 3,056	I don't think it's programmable, except perhaps by GM, itself? I'd love to learn, too. Hoosier R7s exceed 50 PSI, which might cause issues. By the way, just in case you didn't know about this, I think your TPMS is measuring it right, if only you were at sea level. The sensors we have measure absolute pressure, while we get absolute - atmospheric pressure reported on TPMS screen. If you live in high altitude, your ambient pressure will drop, and your handheld pressure gauge will report higher numbers than TPMS, since it measures relative pressure, not absolute. __________________ '16 Corvette C7 Z51 1LT (Build Thread) '14 AGM 1SS 1LE [COTW 11/17/14] (Build Thread) (SOLD) '13 Mazda MX-5 Club (Build Thread) '17 RAM 1500 Crew Cab 4x4 Night Edition '15 Nissan Rogue S AWD