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I got something puzzling for you. I’ve reset my RF Hub without losing anything that’s already programmed in. As in all fobs, push to start, remote start, enable LED lighting and global window down. My BigHorn did not come factory with the above upgrades. I slowly added them over the course of a year following directions over in the AlfaOBD section. All the above was installed, programmed and working when I bought new tires and gained an inch. Went from 275/60R20 to 275/65R20 and I reprogrammed the BCM for the slightly larger tires so the speedo would be accurate. I distinctly remember having to reset the RFHub after programming and I didn’t lose any previous functions. Are you 100 percent positive that the RFHub reset process wipes out the existing fobs? For me it did not. Reading through the AlfaOBD section there is a lot of RF Hub resetting going on.Yeah but experience don't mean nothing if you're not familiar with the problem and this one definitely has me stumped... I'm trying to get all the information I can get on it since I know I can't be alone, I appreciate you chiming in trying to help......
For the TPMS thresholds. Different tire sizes and/or weight ratings dictate different tire pressures. If you don’t update the pressure thresholds to match the new tires in the RF Hub you get the idiot light on the dash.Guess my question from reading your post is why you had to go into the RF Hub just because you changed tire size in the BCM ?