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SmartKey component ID help

Old 03-22-2012, 02:21 PM
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Join Date: Mar 2012
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Default SmartKey component ID help

Hi All - I was wondering if anyone could help me to identify a component on my SmartKey. This is from a 2007 TCH with remote start (271451-0140). Basically, what happened is my SmartKey stopped working, so I went to replace the battery, but when I opened the case, a component fell out. Needless to say, changing the battery did not do anything!! I would much rather replace the component at $1 than the whole key at $200.
The only markings on the component (looking at a working one) that I can find are "400X" right on the cover. It is a 6 pin component, and it seems that pins 2 and 5 are to ground. In this picture, it is the part that is circled in yellow at the bottom (picture is my working one).

Thanks very much for any assistance.

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