Car Problem Reports

Toyota RAV4 Software update to correct false catalytic converter failure

Toyota RAV4 Problem
10 Reports
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Model Years Affected: 2001, 2002, 2003

Average Mileage: 137,999 mi (95,000 mi - 178,865 mi)


Toyota released a software update to fix a problem that caused the Check Engine Light to come on. Before the update, the computer would report a problem with the catalytic converter when there wasn't one.

  • Visitor, , 172,000 mi

    Had the catalytic converter replace, 5 months later check engine light again for catalytic converter failure and replaced it again.

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  • RJMIZ, , 95,000 mi

    The check engine light comes on. It indicates the converter needs replaced inorder for the car to pass PA emission inspection.

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  • Visitor, , 178,865 mi

    Diagnosed po420, bank 1 and 2 failed .po430 bank 1 and 2 failed.

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  • Visitor, , 178,000 mi

    Had my 2001 Toyota RAV catalytic converter replaced by a Toyota Dealership. Six years late at 178,000 miles I was told the cat converter had to be replaced. exactly 2 years later and at 192,890 miles, check engine light comes on and being told cat converter again.

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  • Lbgrenis, , 100,000 mi

    If not updated light will come on about every 500 miles after being cleared

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