Multifunction Electronic Modules: Overview

WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

The BCM controls the following:

Battery saver function
Brake shift interlock
Delayed accessory function
Dimmable backlighting
Exterior lighting
Horn
Ignition state messaging
Interior lighting
Keyless entry keypad (without Intelligent Access (IA))
Liftgate release (without Intelligent Access (IA))
PATS (vehicles without Intelligent Access (IA))
Perimeter alarm
Power door locks (vehicles without Intelligent Access (IA))
Post crash alert function
RKE system (without Intelligent Access (IA))
Remote start
TPMS

The RFA (With Intelligent Access only) controls the following:

Intelligent Access (IA) function
Key validation (part of the PATS )
Keyless entry keypad
Liftgate release
PATS
Power door locks