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ECU Replacement / Key Programming / IMMO OFF

9K views 4 replies 4 participants last post by  ticoscen  
I have a 2008 Sedona EX US Model with 3.8L V6. My IMMO circuit is going nuts and not starting or cutting the engine off. I have replaced the antenna, ignition switch, relays etc and still have the random engine shutting off issue. So, I bought another EX IMMO ECU and sent it in to have the IMMO disabled. A. Will this work if from another van? or B. Do I need to send mine in to have the IMMO circuit disabled? I ask this because I bought an LX ECU without IMMO and the van would not start. So, I'm thinking the IMMO ECU from another van will need my SN# programmed into it? Or does it not matter once they disable the IMMO junk?