This As-Built data is multiple lines of hexadecimal numbers entered into dialogue boxes in the programming software. Once purchased, you use the vehicle identification number (VIN) to acquire the As-Built data for the particular ECU you are replacing. This procedure requires purchasing a per use subscription for all ECUs (except the PCM), from the Ford Motorcraft website. If the information cannot be inhaled from the original module, As-built data must be used to properly configure module" "Programmable Module Installation (PMI) must be performed when replacing module. The Ford recommended procedure for this is stated as: In this instance, you are going to have to use a different method of telling the replacement ECU what the needed As-Built data information should be. The normal Ford programming procedure has you "inhale" (read and store data) the As-Built data (from the old ECU to the scan tool), so As-Built vehicle specific production and calibration details can then be transferred to a new, remanufactured, or salvaged ECU you are installing.Ī complication arises when you are attempting to replace an ECU that is dead or not communicating with the scan tool (or programming device). However, Ford does do one thing differently than most other OEMs.
Programming Ford electronic control units (ECUs) is pretty straightforward and simple compared to many other OEMs. Some of the information may no longer be relevant, so please use it at your discretion. Editor's Note: This article was orginally published May 1, 2011.
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