[humfrz]

Originally Posted by Loganp98

My 15 BRZ has code P2109. I can’t figure out why. I tried a test throttle body and a test PCM. The code won’t clear with my OFT and the battery disconnected. It popped up after I had reinstalled the intake manifold. I’ve checked no wires are pinched. Thanks

I checked with Bubba and he says to disconnect the negative battery terminal, have a beer, after about 5 minutes reconnect the battery.

Maybe it will reset -

https://studentlesson.com/how-to-res...sition-sensor/