Automotive, IT, Telecommunications and other Acronyms and Abbreviations

ABD - Automatic Brake Differential
ABS - Anti-lock Braking System
ADSL - Asynchronous Digital Subscriber Line
ATA - Analog Telephone Adaptor
AWD - All Wheel Drive

BA - Brake Assist
BCM - Body Control Module

CPE - Customer Premises Equipment
CPU - Central Processing Unit

DSL - Digital Subscriber Line
DTC - Diagnostic Trouble Code

EBA - Electronic Brake Assist
EBD - Electronic Brake Distribution
ECM - Engine Control Module, Electronic Control Module
ECT - Engine Coolant Temperature
ECU - Engine Control Unit, Electronic Control Unit
EFI - Electronic Fuel Injection
EPB - Electronic Park Brake
EPS - Electronic Power Steering

FoIP - Fax Over IP
FTP - File Transfer Protocol, Fibre Termination Panel
FTTH - Fibre To The Home (same as FTTP)
FTTN - Fibre To The Node
FTTP - Fibre To The Premises (same as FTTH)

GM - General Motors

HTML - Hyper-Text Markup Language
HTTP - Hyper-Text Transfer Protocol
HUD - Head-Up Display

ICE - In Car Entertainment
IP - Internet Protocol, Intellectual Property
IRS - Independent Rear Suspension
ISP - Internet Service Provider

LAN - Local Area Network
LED - Light Emitting Diode
LHD - Left Hand Drive

MAP - Manifold Absolute Pressure
MIL - Malfunction Indicator Lamp
Modem - Modulator / De-Modulator

NTD - Network Termination Device

PCD - Premises Connection Device
PCM - Powertrain Control Module
PCV - Positive Crankcase Ventilation
PLC - Programmable Logic Controller
POE - Power Over Ethernet
POTS - Plain Old Telephone Service
PSTN - Public Switched Telephone Network

RHD - Right Hand Drive
RPM - Revolutions Per Minute

SCADA - Supervisory Control And Data Acquisition
SDM - Sensing & Diagnostic Module (GM SRS Sensor Module)
SIAB - Side Impact Air Bags
SMS - Short Message Service
SRS - Supplemental Restraint System (Airbags, etc)

TCM - Transmission Control Module
TCP - Transmission Control Protocol
TCS - Traction Control System
TLA - Three Letter Acronym
TPM - Tyre Pressure Monitoring
TPS - Throttle Position Sensor

ULL - Unbundled Local Loop

VoIP - Voice Over IP
VSS - Vehicle Speed Sensor

WAN - Wide Area Network

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Last modified: 1 August 2025.