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'07 RX350 - Check Engine Light, VSC, TRAC OFF

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Old 10-18-15, 03:30 PM   #1
Kazaxat
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Default '07 RX350 - Check Engine Light, VSC, TRAC OFF

Last week our Lexus had a few of the warning lights pop up, specifically Check Engine, VSC, and TRAC OFF. When I tried to look it up online, I found suggestions to take it to AutoZone to get the error codes read, so I did that and got 2 back: P0441 and P0455.

I saw that it might be something as simple as the gas cap not being screwed on correctly. If that was the case, would there be some way to check if I fixed it? Would the lights clear themselves after some time or after driving a certain amount? I don't have the tool to clear it, and saw some suggestions not to unhook the battery for an '07 Lexus. Is there anything else I could try to clear the issue myself before having to take it to a mechanic? I'm not the most car-savvy person admittedly, but if there's something simpler I would love to try it before blowing money on repairs.

Would really appreciate any advice.
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Old 10-18-15, 05:10 PM   #2
alchemist
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Common issue...search forum for it.

Bad gasket on gas cap or not tighten down enough. You can try disconnecting neg cable on battery for a few min. If that doesnt work u need to take it in to get it cleared
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Old 10-19-15, 03:55 AM   #3
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HI,

I've got same problem yesterday on my 2005 RX330, it was just the 30A ABS fuse to replace.
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Old 10-21-15, 06:44 AM   #4
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Quote:
Originally Posted by lechatkawa View Post
HI,

I've got same problem yesterday on my 2005 RX330, it was just the 30A ABS fuse to replace.
No... He has emission codes. Totally unrelated. Theres a TSIB for these 2 codes.

Some 2007 – 2008 model year North American produced (NAP) RX 350 vehicles may exhibit a
M.I.L. “ON” condition with one or more of the following Diagnostic Trouble Codes (DTCs):
• P0441 – Evaporative Emission Control System Incorrect Purge Flow
• P0455 – Evaporative Emission Control System Leak Detected (Gross Leak)
• P0456 – Evaporative Emission Control System Leak Detected (Very Small Leak)
An improved fuel filler pipe has been developed to address this condition.

PREVIOUS PART NUMBER CURRENT PART NUMBER PART NAME QTY
77201-0E020 77210-0E020 Pipe Sub-assembly, Fuel Tank 1
77300-06040 Same Cap Assembly, Fuel Tank w/ Tether 1

Last edited by Othic; 10-21-15 at 06:48 AM.
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