Body Control Module: Notes

The Body Control Module (BCM) supplies vehicle occupants with visual and audible information and controls various vehicle functions. To provide and receive information, the module is interfaced to the vehicle's serial bus communications network (the Chrysler Collision Detection bus, or CCD bus). This network consists of the powertrain control module (PCM), the transmission control module (TCM), the electro/mechanical instrument cluster (MIC), Compass Mini-Trip Computer (CMTC), the radio (RBN) and the airbag control module (ACM). The BCM is operational when battery power is supplied to the module. Ignition switch power is needed for ignition switch functions.

The Body Control Module provides the following features:

Interior Lighting

1. Inside Mirror/Reading Lamps
2. Ignition Key Halo Lamp
3. Illuminated Entry

Battery Protection (load shedding)

Windshield Wipers/Washers

1. Intermittent Wipe
2. Speed Sensitive Wipe
3. Wipe after wash

Instrument Cluster Support

1. Gauge positioning and CCD Lamp Drive
2. Instrument Cluster Dimming

Vehicle Theft Security System (VTSS)

Door Locks

1. Power
2. Auto Door Locks
3. Remote Keyless Entry (RKE)
4. Door Lock Inhibit

Exterior Lamp Control

1. Controls Parklamps, Low & High Beam
2. Headlamps
3. Headlamp Time Delay

Remote Radio Controls

Auto Volume Radio Control

Chime

Climate Control Support

Low Tire Pressure Warning interface for operation of LTPW Lamp