Forum Discussion

kmb1966's avatar
kmb1966
Explorer
Jun 21, 2017

TPMS shows different pressure than pressure gauge

We have the Tireminder TM66 on our Class A. We are finding that many times the sensors have a different reading than the manual tire pressure gauge. not a huge difference but enough to not know whet...
Class A
grampscamper's avatar
grampscamper
Explorer
Jun 21, 2017
Mine reads about 4 pounds higher than my digital tire gauge. I don't worry as long as the alarm doesn't go off. I check them a few times a day but never have to adjust. Typically the pressure rises as the temperature increases anyway. I only make adjustments if tires are cold and the pressure is lower than recommended.

About Motorhome Group

38,756 PostsLatest Activity: Sep 23, 2025