[masraum]

Originally Posted by porsche tech

Those Immobilizer ECU’s and key heads caused a myriad of problems, even when they weren’t flooded. We had one guy who wanted a new key and turned out his USA car had a European immobilizer. There are numerous MHz versions of the USA key heads and none matched up with the European ECU. Probably not getting any less complicated these days!

I don't know if my 987 has the immobilizer under the seat. I do know that the module under my seat controls things like the spoiler, tail lights and power top. Hopefully, the immobilizer is somewhere else.