P0441 EVAP Code and VSC Light On in 2008 Lexus LX570 - How to Fix Without Leak Detection?
Hi everyone, I'm currently dealing with a 2008 Lexus LX570 (automatic transmission) that recently triggered the Evaporative Emission Control system warning light, along with the VSC (Vehicle Stability Control) light. After visiting a Lexus repair shop, they scanned the vehicle and found a P0441 code indicating a malfunction in the EVAP system. Despite their thorough inspection, no leaks were detected in the evaporative emission system. The issue persists because after clearing the P0441 code, the warning light returns immediately upon driving. My main confusion is why the VSC light is on without any related diagnostic codes — I've only seen a correlation between VSC activation and the P0441 code in past experiences. This behavior seems unusual and inconsistent with standard diagnostics. Since the authorized dealer cannot resolve this, I'm seeking advice from experienced users or technicians who might have faced similar issues. I live in Vietnam and do not have access to an official Lexus dealership. I tried visiting a Toyota dealership (as Lexus is part of Toyota), but they were unable to assist due to limited diagnostic tools and lack of experience with this specific issue. I'm now completely stuck — the warning lights are flashing, which is very distracting and concerning. Any suggestions or guidance on how to properly diagnose and fix this P0441 code in a 2008 LX570? Is there a known workaround or common cause for this recurring EVAP fault despite no visible leaks?
Did you visit an authorized Lexus dealership? If not, it's worth confirming whether the issue is being addressed by a certified technician with proper diagnostic equipment. Authorized dealerships should have access to vehicle-specific tools and technical data — if they can't resolve this, there may be a deeper issue.