jsykes

Yes, when I paired these sensors the truck detected both pressure and temperature.

Same issue here with a 2020 2500HD - no horn at start of learning cycle or during when a TPMS sensor is recognized. Had to walk to cab each time to check the sensor was recognized. I used the same learning tool from amazon as others have: linked: https://www.amazon.com/gp/product/B072BK693N/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1 I used these tpms sensors: https://www.amazon.com/gp/product/B06W55D84K/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1 I went through the learning process before I installed the TPMS sensors. I found they were super sensitive outside of the wheels and had to keep them well away from each other to stop the truck learning all four at once. But no issues and I didn't have to drive first to wake the sensors.