B1600: PATS Ign Signal Not Rec - Bad Key or Non-PATS

NOTE: Large metallic objects or devices such as the Mobil Speedpass, or a second ignition key on the same key ring as the PATS ignition key, may cause vehicle starting problems and this DTC under certain conditions. If a fault cannot be identified, examine the customers key ring for such objects, or devices. If present, inform the customer that they need to keep these object from touching the PATS ignition key while starting the engine. These objects, and devices, cannot damage the PATS ignition key but can cause a momentary problem if they are too close to the key during engine start. If a problem occurs, turn ignition off, and restart the engine with all other objects on the key ring held away from the ignition key. check to ensure that the encoded ignition key used by the customer is an approved Ford encoded ignition key (encoded ignition keys from Rotunda, Ilco, Curtis, or Strattec are approved encoded ignition keys).

B1600-1 - B1600-2:

B1600-3: