Immobilzer problems...Pleeez HELP!!!

[soloblazer]

I have a 04 model, every couple times i try to start it, it acts like the key is not the right key, so it will start up run for a couple seconds then die, i have had 2 keys made and also replaced the sensor that goes around the key cylinder. not sure what else it can be, sometimes it starts right up no problems, then the next time it acts like its the wrong key, even if i try to start it and it dies, i can cycle the key on and off without taking it out and it will start, code shows that its a invalid key. any ideas would be great.

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[master tech]

First of all, where did you buy the skim module from? and did you have the right pin code for both the module and keys? Any time you replace a module you do need to transfer the key code (pin) from the pcm.

[soloblazer]

the dealer put the new unit in and gave keys.

[master tech]

Then the dealer needs to fix the problem.