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post #2 of (permalink) Old 1st March 2007
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The keys are coded to the UCH (Decoder) and the injection computer. All of this needs to be swapped and configured.
I cannot advise against this enough. Renault Immobiliser systems are complex at the best of times.
There is a high possibilty that there is a wiring fault. I.e Coded line open circuit etc.
The red immobilser light should flash slowlywith the ignition off. Then stay solid for about 5 seconds (i think!) once the ignition is switched on, then go out.
If it flashes when the ignition is on, it means the decoder has the incorrect code sent to it.
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1996 Megane 1.6 RT
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