Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Sub-System Operation

The body control module plays a part in every sub-system on the vehicle, from engine starting through keyless entry, lighting and retained accessory power. These BCM systems are not described in detail in this section. Refer to the description and operation for more details on the following systems:
^ Seat Belt System Description and Operation
^ Interior Lighting Systems Description and Operation
^ Power Door Locks Description and Operation
^ Keyless Entry System Description and Operation
^ Vehicle Theft Deterrent (VTD) Description and Operation
^ Content Theft Deterrent (CTD) Description and Operation
^ Retained Accessory Power (RAP) Description and Operation
^ Luggage Compartment Description and Operation
^ Instrument Panel Cluster (IPC) Description and Operation
^ Audible Warnings Description and Operation