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OBD2 abbreviations
Common OBD2 and car terms and what they stand for.
- A/FAir/Fuel Ratio
- A/CAir Conditioning
- A/TAutomatic Transmission or Transaxle
- ABSVAir Bypass Solenoid Valve
- ACTSAir Charge Temperature Sensor
- AFMAir Flow Meter
- ALCLAssembly Line Communications Link
- APSAbsolute Pressure Sensor
- ASDMAirbag System Diagnostic Module
- ATFAutomatic Transmission Fluid
- B+Battery Positive Voltage
- BCMBody Control Module
- BMAPBarometric/Manifold Absolute Pressure Sensor
- BPTBack Pressure Transducer
- CCelsius
- C3IComputer Controlled Coil Ignition
- CANController Area Network
- CANPCanister Purge Solenoid Valve
- CCCubic Centimetres
- CDICapacitor Discharge Ignition
- CECUCentral Electronic Control Unit
- CESSCold Engine Sensor Switch
- CFIContinuous Fuel Injection
- CIDcylinder identification Sensor
- COCarbon Monoxide
- CO2Carbon Dioxide
- CPUCentral Processing Unit
- CTSCoolant Temperature Sensor
- dBDecibels
- DCDirect Current
- DEFIDigital Electronic Fuel Injection
- DISDistributorless Ignition System
- DLCData Link Connector
- DOHCDouble OverHead Camshaft
- E2PRElectrically Erasable Programmable Read Only Memory
- EBCMElectronic Brake Control Module
- ECAElectronic Control Assembly
- ECTEngine Coolant Temperature
- EDISElectronic Distributorless Ignition System
- EEPRElectronically Erasable Programmable Read Only Memory
- EFCAElectronic Fuel Control Assembly
- EGOExhaust Gas Oxygen Sensor
- EIElectronic Ignition
- EMIElectromagnetic Interference
- EOBDEuropean Onboard Diagnostics
- EPROErasable Programmable Read Only Memory (chip)
- ESTElectronic Spark Timing
- EVAPEvaporative Emission System
- FFahrenheit
- FBCFeedback Carburettor System
- FDCFuel Deceleration Valve
- FLSFluid Level Sensor
- FWDFront-Wheel Drive
- GDIGasoline Direct Injection
- GNDGround
- GPMGrams Per Mile
- GVWGross Vehicle Weight
- HCHydrocarbon
- HEGOHeated Exhaust Gas Oxygen Sensor
- HgMercury
- HO2SHeated Oxygen Sensor
- HTHigh Tension
- IATIntake Air Temperature
- IATSIntake Air Temperature Sensor
- ICMIgnition Control Module
- IFIIndirect Fuel Injection
- ISCIdle Speed Control
- ISOInternational Standards Organization
- ITSIdle Tracking Switch
- kHzKilohertz
- KOECKey On, Engine Cranking
- KSKnock Sensor
- LLitres
- lb.Pound Feet
- LCDLiquid Crystal Display
- LTFTLong Term Fuel Trim
- MAPManifold Absolute Pressure
- MILMalfunction Indicator Light
- MPFIMulti Point Fuel Injection
- MPHMiles Per Hour
- MPVMulti-Purpose Vehicle
- mVMillivolts
- NmNewton Metres
- NVRAMNonvolatile Random Access Memory
- O2SOxygen Sensor
- OBDOnboard Diagnostics
- OBDOnboard Diagnostics One
- OEOriginal Equipment
- OEMOriginal Equipment Manufacturer
- OHVOverHead Valve
- P/NPart Number
- PAIRPulsed Secondary Air Injection
- PCMPowertrain Control Module
- PECVPower Enrichment Control Valve
- PIDParameter ID
- PIPProfile Ignition pickup
- PROMProgram Read Only Memory (chip)
- PSIPounds Per Square Inch
- PTCPending Trouble Code
- RAMRandom Access Memory
- ROMRead Only Memory
- SCSupercharged
- SEFISequential Electronic Fuel Injection
- SFISequential Fuel Injection
- SIPSSide Impact Protection System
- SRSSupplemental Restraint System (Air bag)
- SSSpeed Sensor
- SSISolid State Ignition
- WOTWide Open Thrott
- ABSAntilock Braking System
- ACAlternating Current
- AFCAir Flow Control
- AFSAir Flow Sensor
- ALDLALDL = Assembly Line Data Link
- APSAtmospheric Pressure Sensor
- ATDCAfter Top Dead Centre
- ATSAir Temperature Sensor
- AWDAll Wheel Drive
- BAROBarometric Pressure
- BATBattery
- BHPBrake Horse Power
- BPSBack pressure Sensor
- BTDCBefore Top Dead Centre
- BtuBefore Top Dead Centre
- CALPAKCalibration Pack
- CASCrank Angle Sensor
- CEABCold Engine Air Bleed
- CERCold Enrichment Rod
- CFICentral Fuel Injection
- cfmCubic Feet Per Minute
- CIDCubic Inch Displacement
- CISContinuous Injection System
- CKPCrankshaft Position Sensor
- CMPCamshaft Position Sensor
- COPCoil On Plug ignition
- CPICentral Port Injection
- CSSACold Start Spark Advance
- CSSHCold Start Spark Hold
- CTVSChoke Thermal Vacuum Switch
- CVRControl Vacuum Regulator
- DFSDeceleration Fuel Shutoff
- DISDirect Ignition System
- DTCDiagnostic Trouble Code
- DVOMDigital Volt Ohm Meter
- EACVElectronic Air Control Valve
- ECMEngine Control Module
- EBMElectronic Body Module
- ECUElectronic Control Unit
- E2PROMElectronically Erasable Programmable Read Only Memory
- EFCElectronic Fuel Control
- EFIElectronic Fuel Injection
- EGRExhaust Gas Recirculation
- EGRPSEGR Valve Position Sensor
- EGRTEGR Temperature
- EMRElectronic Module Retard
- EOSExhaust Oxygen Sensor
- EPOSEGR Valve Position Sensor
- ESCElectronic Spark Control
- EVPEGR Valve Position Sensor
- FBCAFeedback Carburettor Actuator
- FCSFuel Control Solenoid
- FIFuel Injection
- ft.lb.Foot Pound
- galGallon
- GENGenerator
- H20Water
- HELHigh Energy Ignition
- hpHorsepower
- IACIdle Air Control
- ICIntegrated Circuit
- ICSIdle Control Solenoid
- IDInside Diameter
- IGNIgnition
- ITCSIgnition Timing Control System
- JASJet Air System
- KmKilometres
- KOEOKey On, Engine Off
- KOERKey On, Engine Running
- kPaKilopascals
- LEDLight Emitting Diode
- LHDLeft-Hand Drive
- LWBLong Wheel-Base
- MAFMass Air Flow
- MATManifold Air Temperature
- MCSMixture Control Solenoid
- MCTManifold Charge Temperature
- MFIMulti Port Fuel Injection
- mmMillimetres
- MPGMiles Per Gallon
- MPIMulti Port Injection
- KVKilovolts
- msMillisecond
- NOXOxides of Nitrogen
- O2Oxygen
- OBD IIOnboard Diagnostics Two
- ODOutside Diameter
- OHCOverHead Camshaft
- OSOxygen Sensor
- P/BPower Bakes
- PAPressure Air
- PASPower-Assisted Steering
- PCVPositive Crankcase Ventilation
- PFIPort Fuel Injection
- PNPPark/Neutral Switch
- PPMParts Per Million
- PSPower Steering
- PSPPower Steering Pressure
- pt.Pint
- PWRPower to Weight Ratio
- Qt.Quart
- RFIRadio Frequency Interference
- RHDRight-Hand Drive
- RONRated Octane Number
- RPMRevolutions Per Minute
- RWDRear-Wheel Drive
- SESService Engine Soon (light)
- SOHCSingle Over Head Camshaft
- SRSSecondary Restraint System
- SRTSystem Readiness Test
- SWBShort Wheel-Base
- TACHTachometer
- STFTShort Term Fuel Trim
- SWBShort Wheel-Base
- TACHTachometer
- TBThrottle Body
- TBIThrottle Body Injection
- TCTurbocharged
- TCCTorque Converter Clutch
- TCMTransmission or Transaxle Control Module
- TDTurbo Diesel
- TDCTop Dead Centre
- TDITurbo Direct Injection (A turbo charged direct injected diesel engine)
- TIVThermactor Idle Vacuum Valve
- TKSThrottle Kicker Solenoid
- TPITuned Port Injection
- TPPThrottle Position Potentiometer
- TPSThrottle Position Sensor
- TPTThrottle Position Transducer
- TSPThrottle Solenoid Positioner
- TVThrottle Valve
- TVSThermal Vacuum Switch
- TWCThree Way Catalyst
- TWC+OCThree Way + Oxidation Catalytic Converter
- VVolts
- VACVacuum
- VACVolts Alternating Current
- VAFVolume Airflow
- VAFVane Airflow Sensor
- VCCViscous Converter Clutch
- VCMVehicle Control Module
- VDCVolts Direct Current
- VINVehicle Identification Number
- VRVoltage Regulator
- VSVehicle Sensor
- VSSVehicle Speed Sensor
- VVCVariable Valve Control
- VVTVariable Valve Timing