Alright. Well. I contacted John at IPT and he said that he has seen this before and it is absolutely an internal failure. Of what..I'm not sure . So I'll be swapping that transmission. Now I know that from a 4runner I need an 01-02 ( due to the revision and removal of the kickdown cable)...
I dont have much of a back story on the vehicle. I know that he said he did a transmission flush. whether that was before or after the issue I dont know. It seems to barely go into park (like when you select park, its still in a forward gear but the parking pawls grab it and stop it from...
hey guys. im wondering if you ever resolved your problem. I have the identical problem and checked all the same things you did. I bought my 4runner with (a bad transmission) i drove it over an hour home no problems. just has this same issue. its a 2002 sport.