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Home >> Ford >> 2017 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Anti-Theft System - Passive Anti-Theft System (Pats), With Intelligent Access (IA) >> Description And Operation >> Anti-Theft >> Component Description >> PATS Antennas

PATS Antennas

There are 3 PATS antennas. The PATS antennas are monitored by the RFA module. When activated by the RFA module, they transmit a low frequency signal to activate a passive key.

NOTE: Some brands/types of mobile phone or laptop computer chargers may cause interference that could lead to a PATS no-start if the passive key is within a few inches of the charger and the No Key Detected message displays in the message center. If a concern is observed, move the passive key away from the charger and attempt to start the vehicle.
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