Car Problem Reports

Toyota RAV4 Software update to correct false catalytic converter failure

Toyota RAV4 Problem
11 Reports
Me Too

Model Years Affected: 2001, 2002, 2003

Average Mileage: 140,124 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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  • Visitor, , 155,000 mi

    My engine light came on, turned if off, then it come on again, turned if off, drove 50 miles, passed smog test, then the light came back on. Been on since after the test, almost been two years, need a smog test next summer.

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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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