CDR Glossary


ACMAirbag Control Module
ACUAirbag Control Unit - the Nissan designation for the ACM found in Nissan vehicles
AHRActive Head Restraint
BMWBavarian Motor Works AG vehicles - includes BMW, MINI and Rolls-Royce brands
CANController Area Network
CDRCrash Data Retrieval
DaimlerDaimler AG vehicles - includes Mercedes-Benz and smart brands
DLCDiagnostic Link Connector (also known as Data Link Connector)
DTCDiagnostic Trouble Code
ECUElectronic Control Unit
EDREvent Data Recorder
EPPMElectronic Pedestrian Protection Module  (also see PPM)
ESCElectronic Stability Control
ESPElectronic Stability Program
ETCElectronic Throttle Control
ETREngineering Translation Report
FCAFiat Chrysler Automobiles vehicles - includes Alfa Romeo, Chrysler, Dodge, Fiat, Jeep, Lancia, Maserati, RAM and SRT brands
FordFord Motor Company vehicles - including Ford, Lincoln and Mercury brands
General MotorsGeneral Motors Company vehicles (also known as GM) - includes Buick, Cadillac, Chevrolet, Geo, GMC, Holden, HSV, Hummer, Oldsmobile, Opel, Pontiac, Saab and Saturn brands
GMGeneral Motors
HondaHonda Motor Company Ltd. Vehicles - includes Acura and Honda brands
MYModel Year
NHTSANational Highway Traffic Safety Administration (USA)
NissanNissan Motor Company Ltd. Vehicles - includes Infiniti and Nissan brands
NTSBNational Transportation Safety Board (USA)
OBD IIOnboard Diagnostic system version 2
OEMOriginal Equipment Manufacturer (also known as OE) - in the automotive industry, refers to the car manufacturer
ORCOccupant Restraint Control - the FCA designation for the ACM found in FCA vehicles
PCMPowertrain Control Module
PCPersonal Computer
PPMPedestrian Protection Module
RCMRestraint Control Module - the Ford designation for the ACM found in Ford vehicles
ROSRoll Over Sensor
SDMSensing Diagnostic Module - the General Motors designation for the ACM found in General Motors vehicles
ToyotaToyota Motor Corporation vehicles - includes Lexus, Scion, and Toyota brands
VINVehicle Identification Number
VolkswagenVolkswagen Group vehicles - includes Audi, Bentley, Lamborghini and Volkswagen brands