It's been broken for weeks and won't reveal lootable containers. A handy mod when in the DZ as you can scan a building and save yourself a lot of pointless roaming.
thing that bothers me about this is even after several bug reports and probably 20 threads on tech support sub forum and this still hasn't made it into known issues thread.
they also need to fix tech support it currently appears to extend duration of pulse but after proper amount of duration it cancels effect anyway even though it looks like it should have 10+ more seconds left.