Pinpoint Test F: The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Tool - 5.4L Or 6.8L Engine

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.