The dealer was re-mounting my tire (after they forgot a chunk of rubber in it) and re-programming the tire pressure system, when the service manager came out holding my obd2 Bluetooth adapter. Said every time they plug it in, the flat-tire light comes on. So for about an hour, there are a half-dozen guys hovering around my car & the service manager says the TPMS module is dead, and he thinks my scan tool broke it but can't prove it. They ordered me a new one & installed it, but is that possible? I was wondering if there was a pin dedicated to the tire pressure system, and if so, then I guess it's feasible that the scan tool might have tried to talk on that pin when testing for the right protocol. So... I decided to avoid the problem. I made an extension cable that just carries pins 4, 5, 6, 14 & 16 (two grounds, canbus high & low, plus power)
So far so good. And at least I can see the lights on the BT without standing on my head
btw, I have part numbers if anyone is interested
Red shell: Delphi 12110252
Retaining clip: Delphi 12110254
Cap: CaPlugs VRF-500x1250-16
Male pins: Delphi 12047581
Female pins: Delphi 12129373-L
Black (female) connector: Delphi 12110250
Cable was a euthanized cat5