Part Number 68361536AF Ecu Has Skim Security And Requires Programming Before Installation We Offer Included Programming See Details Below Fitment Interchange This Ecu Will Interchange Or Replace The Following Part Numbers 68361536AA 68361536AB 68361536AC 68361536AD 68361536AE 68361536AF P68361536AF R8361536AF 68361536 Tech Notes Ecu Has Been Tested With Our State Of The Art Vehicle Simulator Which Tests Over 25 Circuits Of The Ecu Some Of Those Are Listed Below Reference Voltage Good Ecu Fan 2 Control Output Verified Ecu Transmission Power Output Verified Ecu Purge Circuit Verified Good Ecu Powered Up And Has Communication Ecu Fuel Pump Main Relay Test Good Ecu Injectors Coils Test Good And Much More Install Notes Disconnect The Negative Terminal Of The Battery Make Sure The Battery Connector Is Not Touching The Battery Post Disconnect And Remove The Module To Be Replaced Install And Connect The Replacement Module Connect The Negative Terminal Of The Battery See Programming Below For Additional Install Instructions Programming For Plug And Play You Must Follow The Below Three Steps Step 1 Match Your Part Number Series Per Above Fitment Guide Step 2 Match Your Ecu Security Most Gpcii Style Ecu's Have Skim Security And Are Not Plug And Play Step 3 Program Ecu To Your Vin And Mileage We Provide Included Programming For Our Customers During Checkout You Must List Your Vin And Mileage In The Notes To Seller For Us To Program The Ecm If We Do Not Hear From You Through The Order Notes Or A Message Through Amazon We Will Assume Your Mechanic Is Performing The Programming No Problem At All And We Will Ship The Ecm Out The Next Business Day As Directed By Amazon