Operation CHARM: Car repair manuals for everyone.
Home >> Cadillac >> 2007 >> CTS V6-3.6L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Accessories and Optional Equipment >> Central Control Module >> Locations
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

Central Control Module: Locations



Entertainment/Communication Component Views

Cellular Communication Components (UE1)




1 - Inside Rearview Mirror (ISRVM)
2 - Automatic Dimming Photo Cell
3 - OnStar Indicator Light
4 - Emergency Button
5 - OnStar Button
6 - Cellular Microphone
7 - Call Button
8 - Electrochromatic Mirror Button
9 - Electrochromatic On Indicator
10 - Antenna Assembly (Navigation, OnStar, Digital Antenna )
11 - Coax Connector
12 - Rear Defogger Connector C2
13 - Splice S309
14 - Ground G304
15 - Vehicle Communication Interface Module (VCIM)
16 - Onstar GPS Coax Connector
17 - VCIM Connectors
18 - Cellular Antenna Coax Connector
pro multis · About Operation CHARM