regarding tpms on Toyota vehicles. this next tip apply only to usa but it may help others on different regions. this is only when connection is lost with the tpms ecu while trying to program a sensor.  right after you get the communication error disconnect the tool (708,905,908,908p,tpms tools all,techstream,playstation3 xbox )

leave the ignition on at all time before and after this procedure. with the key on  jump terminal TC  and CG of the DL3 connector or TC and E1 OF DL1  CONNECTOR for land cruiser for 30 seconds or more, after the 30 seconds leave key on and remove jumper, connect tool and try to register sensors again if still no communication retry procedure make sure the right pins where jumped. this is for all usa market 04-09 4 runner,avalon,camry,rav4,sienna,corrola,fj cruiser,highlander,matrix,yaris,prius,land cruiser,tacoma,sequoia,solara,tundra. all of them.