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I tried to find a related thread but couldn’t. This is my first post. Battery connection seems fine. But it looks like a low buck battery installed by the used car dealer and the Alternator was replaced not too long ago. This is my first Lexus and have zero knowledge on this car. It seems to be running and driving just fine but the traction control doesn’t work. 2008 IS250 AWD
Last edited by benxthere; Jan 20, 2018 at 05:05 AM.
Agreed! Start there. You might also inspect the hose between the air box and throttle body for leaks and clean the MAF sesnor. You need MAF cleaner for this. It dissolves deposits and evaporates leaving nothing behind.
Start with those two items and clear the codes. See how long it takes for them to return.
Help Diagnosing VSC/TC AND O2 sensor codes?
