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Hybrid Technology Unique topics related to the GS450H model hybrid drivetrain and other features/options found only on the GS450H. Please use the main 3GS forum for discussion about shared components with other third generation GS models.

Electrical Sensor Faults?

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Old Jan 15, 2026 | 02:53 AM
  #1  
Jceebee's Avatar
Jceebee
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Exclamation Electrical Sensor Faults?

Hi all, My car a GS450h had 3 warning lights come up at the same time over Christmas. Unfortunately they haven't disappeared with the festive decorations so I want to ask if anyone can help with ideas.
They are,
VGRS -Variable GEar Ratio Steering
DRS- Dynamic rear steering
AFS - swivel headlights

Has anyone else had this?

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Old Jan 26, 2026 | 06:53 PM
  #2  
N8tureBoy's Avatar
N8tureBoy
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How old is your 12-V battery? Have you used a scanner for specific OBD codes? Also double-check that DRS thing. The 3rd gen 450h does not have rear steering. I'm guessing that's a 4th Gen thing.
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Old Feb 10, 2026 | 12:08 PM
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Jceebee
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The fault is with the rear steering rack on a 4 wheel steering car. So its a 4th Gen F sport. The premier does not have 4WS. I need to find anyone who can rebuild the part.
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