Multifunction Electronic Modules: Overview

The Body Control Module (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))
• Passive Anti-Theft System (PATS) (vehicles without Intelligent Access (IA))
• Perimeter alarm
• Power door locks (vehicles without Intelligent Access (IA))
• Post crash alert function
• Remote Keyless Entry (RKE) system (without Intelligent Access (IA))
• Remote start
• Tire Pressure Monitoring System (TPMS)

The Remote Function Actuator (RFA) (with Intelligent Access (IA) only) controls the following:

• Intelligent Access (IA) function
• Key validation (part of the Passive Anti-Theft System (PATS))
• Keyless entry keypad
• Liftgate release
• Passive Anti-Theft System (PATS)
• Power door locks