Lexus LS460 VSC and PCS system warning lights illuminated, issue not resolved on Lexus LS460

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Lexus LS460 owners report experiencing issues when the VSC (Vehicle Stability Control) and PCS (Pre Crash System) warning lights illuminate, indicating potential problems with these critical systems. These warning lights can trigger the TRAC OFF light, reflecting the car's normal response to a VSC system fault. Additionally, the PCS warning light, associated with the rear impact detection system, signals that there are issues requiring attention when it appears alongside the VSC light. Owners have noted that these warnings may indicate underlying problems with the VSC system, which could affect essential features such as regen braking, traction control, and anti-rollover control. It is crucial to resolve the underlying issues with the VSC system, as doing so may clear both warning lights. If the warning lights persist, owners are advised to consult a mechanic or dealership for a thorough diagnosis and repair to ensure the safety systems in their Lexus LS460 function properly.

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