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My 2014 Silverado is showing a P0430 (1/1) Permanent code.  Catalyst System Low Efficiency Bank 2.

I was trying to clear the code after replacing the Catalytic Convertor and it went to " Permanent" in the computer. Is there a way to clear this or will I have to let Dealer clear it?

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Google " Universal Trip Drive Pattern ". That might help. Apparently No one can clear permanent codes with a scanner. News to me. Never seen one.

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My understanding of these is they cannot be cleared. These once set, stay on, until the vehicle sees the condition is fixed and turns it off. Had a similar code P0013 on my wife's equinox. Set to permanent as it is the camshaft position actuator code. Replaced the solenoid and took it for a short drive and the light cleared itself.

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