Multifunction Electronic Modules: Overview

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 IA)
• Liftgate release (without IA)
• PATS (vehicles without IA)
• Perimeter alarm
• Power door locks (vehicles without IA)
• Post crash alert function
• RKE system (without IA)
• Remote start
• TPMS

The RFA (with IA only) controls the following:

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