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genman56

Security Indicator Light

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After changing out my factory head unit for a aftermarket unit, I get the following alarm, security indicator light. This is a 2004 GX470 without Mark livingston sound.

Any ideas that I may try to clear this alarm.

Thank you.

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What part exactly did you remove when adding the aftermarket one?

Is the security light (itself) on the piece you removed?

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Not sure I think maybe the cluster it is the immobilizer that he is talking about, that has got activated. It is something to do if he has a duplicate key and the transponder within is not communicating to the ECM with the ID codes of the key chip. This activated the security system. The key with an car image embedded is on the cluster blinking.

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