Grand Cherokee 4WD V8-4.7L (2003)
DDM
Driver Door Module
DLC
Data Link Connector
DTC
Diagnostic Trouble Code
EBL
Electric Back Lite (Rear Window Defogger)
ECM
Engine Control Module
EVIC
Electronic Vehicle Information Center
HSM
Heated Seat Module (also called Seat Module)
HVAC
Heater Ventilation, Air Conditioning
I/R
Infrared Sensor
ITM
Intrusion Transceiver Module
MHSM
Memory Heated Seat Module (also called Seat Module)
MIC
Mechanical Instrument Cluster
MSM
Memory Seat Module
MUX
Multiplexed
ODO
Odometer
ORC
Occupant Restraint Controller (ACM)
PAB
Passenger Airbag
PCI
Programmable Communication Interface (vehicle communication bus)
PCM
Powertrain Control Module
PDC
Power Distribution Center
PDM
Passenger Door Module
PWM
Pulse Width Modulated
RKE
Remote Keyless Entry
SBS
Seatbelt Switch
SKIM
Sentry Key Immobilizer Module
SKIS
Sentry Key Immobilizer System
SQUIB
also called initiator (located in rear of Airbag Module)
TCM
Transmission Control Module
TPM
Tire Pressure Monitoring
VFD
Vacuum Fluorescent Display
VTSS
Vehicle Theft Security System