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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1600 (Handles, Locks, Latches And Entry Systems (Except Electric) (1 Of2)) >> Description And Operation >> Handles, Locks, Latches and Entry Systems - Vehicles With: One-Touch Open and Close Front Windows - System Operation and Component Description >> Component Description >> RFA Module

RFA Module

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

The RFA module is responsible for obtaining the passive key data and keyless entry lock/unlock requests. It uses the keyless entry antennas and the Radio Frequency (RF) receiver to receive the passive key data. The RFA module receives direct input from the Radio Frequency (RF) receiver (over a single circuit network), the keyless entry antennas and the lock/unlock sensors. The RFA module communicates the passive key and request data to the BCM over the MS-CAN.

If the RFA module is replaced, at least two keys must be programmed to it and a parameter reset performed with the BCM to enable the PATS.

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