How to Get Seatruck Sleeper Module in Subnautica: Below Zero

Seatruck Sleeper Module unlocks by scanning 3 fragments, 3 s per scan. The files place 5 fragment pins for it.

Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.

Open on the full map
Fragment pin (5)The view is cropped to the pins; each dot opens that pin on the full map.

How to unlock Seatruck Sleeper Module

Scan fragments

Pieces needed
3
Scan time
3 s
Fixed pins
5

The fragment is called "Seatruck Sleeper Module Fragment" in the game.

The game files read for this page do not say whether you start with this blueprint.

Where the pins are

Depth in metres: negative is below sea level, positive above.

Pins for Seatruck Sleeper Module
PinAreaDepth (m)PositionMap
FragmentPurple Vents-135x 269, z -426Show on map
FragmentPurple Vents-83x 257, z -417Show on map
FragmentPurple Vents-108x 302, z -456Show on map
FragmentPurple Vents-103x 350, z -494Show on map
FragmentPurple Vents-137x 365, z -534Show on map

What Seatruck Sleeper Module needs

In-game description: "Make your seatruck feel more like a home!"

  • Plasteel ingot

    x 1

  • Fiber mesh

    x 2

  • Lead

    x 3

Crafted at: Mobile vehicle bay.

Menu path in the files: Mobile vehicle bay: Modules > Sea Truck Sleeper Module.

About the Seatruck Sleeper Module blueprint

Seatruck Sleeper Module needs 3 fragments scanned. The game files place 5 fixed fragment pins for it, in Purple Vents. Once unlocked it is made from 1 plasteel ingot, 2 fiber mesh, 3 lead.

See all data boxes and fragments, or the full crafting list.