Date: October 26, 2023 Subject: Identification, Causes, and Resolution of SteamVR Tracking Error 475 Severity: Medium to High (Renders VR Headset unusable) 1. Executive Summary SteamVR Error 475 is a tracking-related error code that prevents the Virtual Reality (VR) headset from determining its position in space. This error typically indicates a failure in the communication between the VR headset (HMD) and the base stations (lighthouses), or a failure of the headset's internal sensors to interpret tracking data. When this error occurs, the user is usually presented with a "Tracking Lost" message or a grey/frozen environment, and the SteamVR status window displays a red icon on the headset. 2. Technical Definition Error 475 is a generic tracking failure code often associated with Lighthouse-based tracking systems (Valve Index, HTC Vive, HTC Vive Pro). The error implies that the HMD cannot see the base stations or cannot make sense of the laser sweeps hitting its photodiodes. Effectrix Serial [DIRECT]