Well it's a Jeep. Lol, I have the AEV procal too and opted to completely shut off the TPMS system. I monitor the tires with an old school gauge I keep in my Jeep at all times, but since it's not 100% accurate I'll use the digital reading compressors at my shop.
Haven't heard of that issue but maybe the Jeeps reading of 30 is equivalent to AEV's signal of 28. Everything is different