Here is a list of common acronyms, abbreviations, and terms used in the OBDLink® knowledge base of support articles.

You can find additional details on many terms by doing an internet search.


TermDescription
ABSAnti-lock Braking System
BLEBluetooth Low Energy
BMWBavarian Motor Works vehicle manufacturer
CCMClews Competition Machines motorcycle manufacturer
CoDClass of Device. Encoded data that identifies the type of Bluetooth device.
CSVComma-Separated Values. File format used for sending data.
DLCData Link Connector. 16-pin D-shaped connector used to connect an OBD-II adapter.
DTCDiagnostic Trouble Code
E85 fuelFuel mixture of ethanol and gasoline. Also called flex fuel.
ECUElectronic Control Unit. Term can also refer to the specific Engine Control Unit.
EOBDEuropean On-Board Diagnostics standard
EPAEnvironmental Protection Agency. United States governmental agency.
EVElectric Vehicle
FCAFiat Chrysler Automobiles vehicle manufacturer
GMGeneral Motors vehicle manufacturer
GPSGlobal Positioning System
HS-CAN protocolHigh-Speed Controller Area Network protocol. Used by all passenger vehicles sold in the US after 2008. OBDLink adapters support a variety of protocols. For details, see Which adapter is right for me?
HTMLHyper Text Markup Language. File format used for sending information.
HUDHeads-Up Display
iOSiPhone Operating System
ISOInternational Standards Organization. Group that develops and publishes technical standards.
ISO protocol

ISO9141 and ISO14230 are communication protocols for automobiles that are approved by the ISO. Also called K-Line protocols as a group.

OBDLink adapters support a variety of ISO standards and protocols. For details, see Which adapter is right for me?

J1850 VPW protocol

J1850 PWM protocol

J1850 is a communication protocol for automobiles that is approved by the SAE. The protocol has two alternatives: VPW (Variable Pulse Width) and PWM (Pulse Width Modulation). 

OBDLink adapters support a variety of protocols. For details, see Which adapter is right for me?

JOBDJapanese On-Board Diagnostics standard
KTMMotorcycle manufacturer
LEDLight Emitting Diode. Indicates adapter status, such as Power.
MPHMiles Per Hour
MS-CAN protocolMedium-Speed Controller Area Network protocol. OEM proprietary network used by select manufacturers including Ford and some FCA passenger vehicles. OBDLink adapters support a variety of protocols. For details, see Which adapter is right for me?
MYModel Year
O2 sensorsOxygen sensors
OBDOn-Board Diagnostics

OBD-II

OBD2

On-Board Diagnostics revision 2. Standard that applies to vehicles sold in the United States in 1996 and later.
OBD Solutions LLCCompany that makes and distributes OBDLink adapters and applications.
OBDLink adapterThe OBDLink family of devices is a set of OBD interpreters that can be used to convert messages between any of the OBD-II protocols currently in use (as well as some proprietary OBD protocols) and a user application.
OBDLink applicationPhone/tablet application for OBDLink adapters. Supports Android and iOS phones and tablets. For details, see Which adapter is right for me?
OBDwiz applicationWindows application for OBDLink adapters. Supports Windows Vista and newer versions. For details, see Which adapter is right for me?
OEMOriginal Equipment Manufacturer
OSOperating System
OTGOn-the-Go cable type
PDFPortable Document Format. File format used for printing documents.
PIDsParameter IDs
PWMPulse Width Modulation
QSGQuick Start Guide
RPMRevolutions Per Minute
SAESociety of Automotive Engineers
SRSSupplemental Restraint System
STNScanTool.net. Subsidiary company of OBD Solutions LLC.
SW-CAN protocolSingle-Wire Controller Area Network protocol. OEM proprietary network used by select manufacturers including General Motors (GM). OBDLink adapters support a variety of protocols. For details, see Which adapter is right for me?
TPMSTire Pressure Monitoring System
USBUniversal Serial Bus. Standard connection used to transfer data and provide power between many types of electronic devices.
VEVolumetric Efficiency
VINVehicle Identification Number
VPWVariable Pulse Width



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