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    Renault/laguna/2001/2.0/ Archived Message

    Posted by Nigel Bennett on August 14, 2008, 8:30 pm

    Hi all has anyone had any success with programing new engine ECU's ? We have access to clip with latest re prog disc's. New ECU should by all accounts be plug and play, I'm told ?
    The theory is as long as the card and ECH are programed and matched, the new engine ECU should receive the code and chassis number from UCH and that should be it .
    Only it doesn't the wiring & can wires appear to be OK because the old ECU will still work ,sort of !
    Is the above the correct procedure ?

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