Ok, so, yesterday I lowered the pressure from the 45PSI I had been running for my trip to CO back down to the recommended 36PSI. I used my digital Jaco gage I keep in my toolbox instead of the same one I keep IN the truck. On a cool morning in the garage, I lowered them to 36.0PSI. Got in the truck, and got warnings of low pressure, they TPMS was reading 3-4PSI low. I did the TPMS re-learn and drove it at decent speeds for a couple miles, and the readings went to 35PSI. Went back to the garage and checked the pressure of one tire again with my Jaco and got 38.0PSI. Made sense, since I'd been in the sun and driving it, so I then checked that same tire with the digital Jaco I keep in the truck and got 38.0PSI. So, that tells me the Jaco's (I bought 3 of the same model) are VERY consistent, and I can't imagine THEM being off. So, I tried the TPMS relearn again, and STILL got warnings. I said f@ck it and just drove to the BMW and Aud dealers, and then picked up some Midland Walkie Talkies for wheeling at Sportsman's Outdoor later. Warning on the dash the whole way and had to clear the 4 errors every time I started it, but the last time at Sportman's when I went to go home, it told me that the TPMS system needed service. So, something ain't right. Bummer, because Zed has been so good lately, and I'm bring him to work next week to show a buddy while I look at his new BMW X4M.
Later today after food shopping and maybe riding, I plan on checking the 2 Jaco gages to the digital Jaco inflator/gage I have on my compressor and see how that matches up. I can't imagine it being a problem with the Jaco's. I'll post my results.
Later today after food shopping and maybe riding, I plan on checking the 2 Jaco gages to the digital Jaco inflator/gage I have on my compressor and see how that matches up. I can't imagine it being a problem with the Jaco's. I'll post my results.