Friendly TECH-PRIEST models have:
Baffling Data Screed: In your Shooting phase, when this unit is selected to shoot, if this unit is not battle-shocked, you can use this ability. If you do, roll one D6:
On a 2+, select one enemy VEHICLE unit within 12" of this unit. That enemy unit makes a battle-shock roll, with -1 to that battle-shock roll. A unit cannot be selected for this ability more than once per turn. Or: On 2+, those ranged attacks do not prevent this unit from being hidden.