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Home >> Ford >> 2015 >> Transit-350 HD Base, Van Cargo Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Passive Anti-Theft System (Pats) - Vehicles With: Keyless Vehicle System) >> Description And Operation >> Passive Anti-Theft System (PATS) - System Operation and Component Description >> Component Description >> PATS Rear Antenna
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PATS Rear Antenna

WARNING: This page is about a different car, the 2017 Ford F-550 Super Duty, 2017 Ford F-450 Super Duty, 2017 Ford F-350 Super Duty, and 2017 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Some brands/types of mobile phone or laptop computer chargers may cause interference that could lead to a PATS concern 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 transition the ignition on.

The PATS rear antenna is wired to the BCM. When activated by the BCM, it transmits a low frequency signal that activates a passive key.

When activated, the PATS rear antenna sends out a low frequency signal with an approximate range of 1 m (3 ft). A programmed passive key must be within range for the PATS to recognize the key and allow the ignition to transition out of off.

If a passive key is placed in the far outside edges of the interior, such as the far corners of the passenger compartment area, the vehicle can experience a PATS concern. If the passive key is located in one of these areas and there is a PATS concern, move the passive key out of the area and attempt to transition the ignition on. If the key is outside the range of the PATS rear antenna and the PATS center antenna when the START/STOP button is pressed, the No Key Detected message displays in the message center.