2001 Nissan Frontier Engine Computer MEC04-320R ECU ECM PCM.

You have to Make sure this Engine Computer Module is the exact one you need by match your Module's part number to the one we provide.

-----DO NOT BUY based on Ebay Compatibility chart saying it will fit or not. -

Programming / Anti-Theft Security vehicles 1997 +

-For Computer to function you must do the following three steps:

Step 1: Match your part number per above fitment guide

Step 2: Program ecu to your VIN.

Step 3: If your vehicle has Anti Theft security (Most modern vehicles do) you must have your keys programmed. We recommend you have this done by your local automotive locksmith. In most cases they will travel to your location and the process takes less than 30 minutes. No towing necessary and your local locksmith will be cheaper than a dealer.