[Flatrater]

Here is a list of different modules in GM cars and trucks and their abbreviations

Module- Module Description
ABS- Antilock Brake Traction Control
ACC -Adaptive Cruise Control with Alert
ADG -Accommodated Device Gateway
AHLL -Automatic Head Lamp Leveling
AHS -Auxiliary Heating System
AMP -Amplifier
APC -Auto Personal Computer
ARS -Antenna Reception System
ATC -Active Transfer Case
BCM -Body Control Module
CCP -Climate Control Panel
CDS -Compact Disc
CDX -Multiple Compact Disc Changer
CHIME -Chime
CID -Color Information Display
CIM -Column Integration Module
CLM -Column Locking Module
CMM -Column Memory Module
DAB -Digital Audio Broadcast
DDM -Driver Door Module
DDS -Driver Door Switch
DIC -Driver Information Center
DIM -Dash Integration Module
DPM -Driver Position Module
DSM -Driver Seat Module
EBCM -Electronic Brake Control Module
ECC -Electronic Climate Control
ECM -Engine Control Module
EKM -EasyKey Module
EPS -Electric Power Steering
FICM -Fuel Injector Control Module
FTC -Folding Top Controller
GID -Graphics Information Display
HCM -Heating, Ventilation, Air Conditioning Control Module
HEMC -Hybrid Electric Motor Controller
HUD -Head Up Display
HVAC -Heating, Ventilation, Air Conditioning
ICC -Integrated Chassis Control
IPC -Instrument Panel Cluster
IPM -Instrument Panel Integration Module
IRC -Integrated Radio Chassis
LDS -Left Detection System
LGM -Lift Gate Module
LMD -Left Middle Door Module
LRD -Left Rear Door Module
MCS -Mobile Communication System
MDS -Mini Disc
MDX -Mini Disc Changer
MMM -Memory Mirror Module
MRM -Moveable Roof Module (Hardtop)
MSM -Memory Seat Module
NAV -Navigation
NDH -Navigation Display Head
NRC -Navigation Radio
TMS/ONS -Telematic System/Onstar
PAS -Parking Assistance
PBA -Park Brake Assist
PCM -Powertrain Control Module
PDM -Passenger Door Module
PDS -Passenger Door Switch
PHN -Phone
PSM -Passenger Seat Module
RAD -Radio
RAHVAC -Rear Auxiliary Heating, Ventilation, Air Conditioning
RCC -Rear Climate Control
RDS -Right Detection System
REC -Rear Electrical Center
RFA -Remote Function Actuation
RIM -Rear Integration Module
RMD -Rear Middle Door Module
RRD -Right Rear Door Module
RSA/HVAC -Rear Seat Audio / Rear Heating, Ventilation, Air Conditioning
RSD -Right Side Detection
RSM -Rear Seat Module
RTD -Real Time Damping
SBBC -Smart Brake Booster Controller
SCM -Seat Control Module
SDARS -Sattelite Digital Audio Reception System
SDG -Serial Data Gateway
SDM -Sensing Diagnostic Module (Supplemental Inflatable Restraints)
SIC -Secondary Information Center
SODM -Side Object Detection Module - Left
SODM -Side Object Detection Module - Right
TCCM -Transfer Case Control Module
TCM -Transmission Control Module
TMS -Telematic System
TTM -Tilt Telescoping Module
TVM -Television Module
UEC -Underhood Electrical Center
VCM -Vehicle Control Module
VCU -Vehicle Control Unit (OnStar)
VIM -Vehicle Immobilizer Module
VIU -Vehicle Interface Unit (OnStar)
VTD -Vehicle Theft Deterrent