Glossary

Module abbreviations & names

ABS - Anti Lock Brakes
ACC- - Adaptive Cruise Control
AHLM - Auto Headlamp Leveling Module
AMP - Amplifier
ASBS - Automatic Sway Bar System (Wrangler Rubicon feature)
BCM - Body Control Module
CCN - Cabin Compartment Node (Instrument Cluster)
DTCM - Drive Train Control Module
ECM - Engine Control Module (generic name, not used by Stellantis: see PCM)
ECU - Engine Control Unit (generic name, not used by Stellantis: see PCM)
EGS - Electronic Gear Shifter (aka ESM)
ESC / ESP - Electronic Stability Control / Electronic Stability Program
EPS - Electric Power Steering
FCM / FFCM - Forward-facing Camera Module
HF / HFM - Hands-Free Module (For Uconnect Radio)
HVAC - Heat, VEntilation, A/C
ICS - Integrated Center Stack
IPC - Intrument Panel Cluster
ITM - Intrusion T?????? Module (for VTA)
OCM - Occupant Classification (after 2007 renamed to ORC)
ORC - Occupant Restraint Control (seatbelts etc.)
PCM - Powertrain Control Module
RFH - Radio Frequency Hub
SCM / SCCM - Steering Column (Control) Module
TCM - Transmission Control Module
TIPM - Totally Integrated Power Module
TPMS - Tire Pressure Monitor System
TTM - Trailer Tow Module
VES - Video Entertainment System (VES 2, VES 3 for video screens in 2nd / last seats row)
VTA - Vehicle Theft Alarm
WCM - Wireless Control Module (TPMS, Key fob / remote, etc.)