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How Accurate Should TPMS Sensors Be?

By DRS 95 Silverado
January 19, 2014 in Tires, Wheels & TPMS

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Enthusiast

DRS 95 Silverado

Posted January 19, 2014

Posted January 19, 2014

Brought a '14 GMC a while back. My tire sensors all seem to read about 4 lbs. lower than they should. I have tire gauge I have tested with another test gauge. I checked tires this afternoon, been sitting in a unheated garage, probably 35 - 40 degrees and they checked about 34 lbs. but DIC has only been showing about 30 when I first take off. Do they make them read low on purpose?

Enthusiast

sams819

Posted January 19, 2014

Posted January 19, 2014

Mine are within one pound using a race car gauge. It is real accurate.

Senior Enthusiast

mike94silverado

Posted January 20, 2014

Posted January 20, 2014

same here mine are within one pound no matter what manual gauge I use

Enthusiast

DRS 95 Silverado

Posted January 20, 2014

Author

Posted January 20, 2014

Thanks, I'm going to check my gauge again and I might let the dealer check tires with their gauge. Got it going in this week for the recall anyway.

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