7.3 PCM: DPC-492

PATS (Passive Anti Theft System) and Excursion PCM's >>>If we have to replace the EEPROM in an Excursion PCM, PATS will be permanently disabled.<<<.... See Below for more info....     *All Excursions are equipped with Ford's PATS and while some people like it, others hate it. The PATS is a 2-part system: The PCM, and the PATS module, which is a black box under the dash about 10” above the accelerator pedal. When you turn the key-on, the PATS module checks to see if the PCM is the correct unit. If it is, it tells the PCM its OK to start the engine and fire the injectors; if something is amiss, the PCM will fire the injectors during cranking, but if the engine RPM goes above about 350 RPM, the PCM shuts down the injectors after two seconds. Disabling PATS in the PCM is as simple as finding the “switch” in the code, and changing a 0 to a 1. However, if you put a different (PATS enabled) PCM in the vehicle the PATS module will not accept it, and the vehicle won't start, u