2006 SC430 check engine light
#1
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Join Date: Feb 2009
Location: ny
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2006 SC430 check engine light
HELP Today the check engine light went on along with the asc off light on and the asc . light all staying on. I disconnected the battery for 5 min. and they still stay on.
#2
Lead Lap
Often the check engine light only means that the gas cap is not securely tightened down or is not sealing.
#4
My light came on and my dealer wanted $115 to tell me the code. I brought it to Advanced Auto Parts. They read the code for free. Said it was Catalyst system below par. Person told me to try CatAClean. I did and light went off soon after following directions. Worked for me.
#5
Moderator
GregoryNP is correct regarding the Trouble Code or DTC...you're going to need it or them to properly address the CEL problem. Many autoparts stores will take a shot at reading generic DTCs in hopes of getting a sale on the part that needs repair. But beware there are Lexus/Toyota proprietory DTCs. Once you have the code you can use the "Search" tool in our forum to find answers...for example, this THREAD is a good read and post# 13 within it has a link to generic and Lexus/Toyota DTCs. It is a 12 page PDF with some good basic info and most, BUT NOT ALL, Trouble Codes.
Last edited by VVTiBob; 09-04-12 at 07:40 AM.
#7
Pole Position
I thought I caught a mention from someone that there was a diagnostic program that was available for download (IE run on our own laptop plugged in) rather than take it in. True/False? Details if true please!
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