Hello,
P221 is the Ford's "platform" name for F-150 trucks:
Ford P platform - Wikipedia, the free encyclopedia
I haven't tried on a car, but in the module (off car, in the bench) works...
Try to start FMP without connecting the module, I mean just power supply for your J2534 interface. FMP will try to establish communications with the CAN network and after a while FMP will show an error saying was unable to communicate with the module, you will have two options: retry or select the model with part number or catchword, select this option, follow on screen instructions and proceed with the "target" part number that you want (i.e., the 5.4L engine), at this point FMP has loaded the "target calibration" and you can proceed with "module installation" to download calibration to the module.
This procedure doesn't work with EEC-V modules (104 terminals).
I would like to hear your tests results.
Regards,
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