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Thread: Acronyms

  1. #1
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.


    A Ampere(s)
    ABS Antilock Brake System
    A/C Air Conditioning
    AC Alternating Current
    ACC Accessory, Automatic Climate Control
    ACL Air Cleaner
    ACR4 Air Conditioning Refrigerant, Recovery, Recycling, Recharging
    AD Automatic Disconnect
    A/D Analog to Digital
    ADL Automatic Door Lock
    A/F Air/Fuel Ratio
    AGM Absorption Glass Mat
    AH Active Handling
    AIR Secondary Air Injection
    ALC Automatic Level Control, Automatic Lamp Control
    AM/FM Amplitude Modulation/Frequency Modulation
    Ant Antenna
    AP Accelerator Pedal
    APCM Accessory Power Control Module
    API American Petroleum Institute
    APP Accelerator Pedal Position
    APT Adjustable Part Throttle
    ASM Assembly, Accelerator and Servo Control Module
    ASR Acceleration Slip Regulation
    A/T Automatic Transmission/Transaxle
    ATC Automatic Transfer Case, Automatic Temperature Control
    ATDC After Top Dead Center
    ATSLC Automatic Transmission Shift Lock Control
    Auto Automatic
    avg Average
    A4WD Automatic Four-Wheel Drive
    AWG American Wire Gage

    B+ Battery Positive Voltage
    BARO Barometric Pressure
    BATT Battery
    BBL Barrel
    BBV Brake Booster Vacuum
    BCA Bias Control Assembly
    BCM Body Control Module
    BHP Brake Horsepower
    BLK Black
    BLU Blue
    BP Back Pressure
    BPCM Battery Pack Control Module
    BPMV Brake Pressure Modulator Valve
    BPP Brake Pedal Position
    BRN Brown
    BTDC Before Top Dead Center
    BTM Battery Thermal Module
    BTSI Brake Transmission Shift Interlock
    Btu British Thermal Units

    °C Degrees Celsius
    CAC Charge Air Cooler
    CAFE Corporate Average Fuel Economy
    CAN Controller Area Network
    Cal Calibration
    Cam Camshaft
    CARB California Air Resources Board
    CC Coast Clutch
    cm³ Cubic Centimeters
    CCM Convenience Charge Module, Chassis Control Module
    CCOT Cycling Clutch Orifice Tube
    CCP Climate Control Panel
    CD Compact Disc
    CE Commutator End
    CEAB Cold Engine Air Bleed
    CEL - Check Engine Light
    CEMF Counter Electromotive Force
    CEX Cabin Exchanger
    cfm Cubic Feet per Minute
    cg Center of Gravity
    CID Cubic Inch Displacement
    CKP Crankshaft Position
    CKT Circuit
    C/Ltr Cigar Lighter
    CL Closed Loop
    CLS Coolant Level Switch
    CMC Compressor Motor Controller
    CMP Camshaft Position
    CNG Compressed Natural Gas
    CO Carbon Monoxide
    CO2 Carbon Dioxide
    Coax Coaxial
    COMM Communication
    Conn Connector
    CPA Connector Position Assurance
    CPP Clutch Pedal Position
    CPS Central Power Supply
    CPU Central Processing Unit
    CRT Cathode Ray Tube
    CRTC Cathode Ray Tube Controller
    CS Charging System
    CSFI Central Sequential Fuel Injection
    CTP Closed Throttle Position
    cu ft Cubic Foot/Feet
    cu in Cubic Inch/Inches
    CV Constant Velocity Joint
    CVRSS Continuously Variable Road Sensing Suspension
    CVT Continuously Variable Transmission
    Cyl Cylinder(s)

    DAB Delayed Accessory Bus
    dB Decibels
    dBA Decibels on A-weighted Scale
    DC Direct Current, Duty Cycle
    DCM Door Control Module
    DE Drive End
    DEC Digital Electronic Controller
    DERM Diagnostic Energy Reserve Module
    DI Distributor Ignition
    dia Diameter
    DIC Driver Information Center
    Diff Differential
    DIM Dash Integration Module
    DK Dark
    DLC Data Link Connector
    DMCM Drive Motor Control Module
    DMM Digital Multimeter
    DMSDS Drive Motor Speed and Direction Sensor
    DMU Drive Motor Unit
    DoD Displacement on Demand
    DOHC Dual Overhead Camshafts
    DPM Driver Position Module
    DR, Drvr Driver
    DRL Daytime Running Lamps
    DTC Diagnostic Trouble Code

    EBCM Electronic Brake Control Module
    EBTCM Electronic Brake and Traction Control Module
    EC Electrical Center, Engine Control
    ECC Electronic Climate Control
    ECI Extended Compressor at Idle
    ECL Engine Coolant Level
    ECM Engine Control Module, Electronic Control Module
    ECS Emission Control System
    ECT Engine Coolant Temperature
    ECU Electronic Control Unit
    EEPROM Electrically Erasable Programmable Read Only Memory
    EEVIR Evaporator Equalized Values in Receiver
    EFE Early Fuel Evaporation
    EGR Exhaust Gas Recirculation
    EGR TVV Exhaust Gas Recirculation Thermal Vacuum Valve
    EHPS Electro-Hydraulic Power Steering
    EI Electronic Ignition
    ELAP Elapsed
    ELC Electronic Level Control
    E/M English/Metric
    EMF Electromotive Force
    EMI Electromagnetic Interference
    Eng Engine
    EOP Engine Oil Pressure
    EOT Engine Oil Temperature
    EPA Environmental Protection Agency
    EPR Exhaust Pressure Regulator
    EPROM Erasable Programmable Read Only Memory
    ESB Expansion Spring Brake
    ESC Electronic Suspension Control
    ESD Electrostatic Discharge
    ESN Electronic Serial Number
    ETC Electronic Throttle Control, Electronic Temperature Control, Electronic Timing Control
    ETCC Electronic Touch Climate Control
    ETR Electronically Tuned Receiver
    ETS Enhanced Traction System
    EVAP Evaporative Emission
    EVO Electronic Variable Orifice
    Exh Exhaust

    °F Degrees Fahrenheit
    FC Fan Control
    FDC Fuel Data Center
    FED Federal All United States except California
    FEDS Fuel Enable Data Stream
    FEX Front Exchanger
    FF Flexible Fuel
    FFH Fuel-Fired Heater
    FI Fuel Injection
    FMVSS Federal U.S. Motor Vehicle Safety Standards
    FP Fuel Pump
    FSM obsolete term for Factory Service Manual
    ft Foot/Feet
    ft/lb reversed acronym for lb/ft of torque
    FT Fuel Trim
    F4WD Full Time Four-Wheel Drive
    4WAL Four-Wheel Antilock
    4WD Four-Wheel Drive
    FW Flat Wire
    FWD Front Wheel Drive, Forward

    g Grams, Gravitational Acceleration
    GA Gage, Gauge
    gal Gallon
    gas Gasoline
    GCW Gross Combination Weight
    Gen Generator
    GL Gear Lubricant
    GM General Motors
    GMLAN General Motors Local Area Network
    GM SPO General Motors Service Parts Operations
    gnd Ground
    gpm Gallons per Minute
    GRN Green
    GRY Gray
    GVWR Gross Vehicle Weight Rating

    H Hydrogen
    H2O Water
    H2S Hydrogen Sulfide
    Harn Harness
    HC Hydrocarbons
    H/CMPR High Compression
    HD Heavy Duty
    HDC Heavy Duty Cooling
    hex Hexagon, Hexadecimal
    Hg Mercury
    HG Head Gasket
    Hi Alt High Altitude
    HO2S Heated Oxygen Sensor
    hp Horsepower
    HPL High Pressure Liquid
    HPS High Performance System
    HPV High Pressure Vapor
    HPVS Heat Pump Ventilation System
    Htd Heated
    HTR Heater
    HUD Head-up Display
    HVAC Heater-Ventilation-Air Conditioning
    HVACM Heater-Vent-Air Conditioning Module
    HVIL High Voltage Interlock Loop
    HVM Heater Vent Module
    Hz Hertz

    IAC Idle Air Control
    IAT Intake Air Temperature
    IC Integrated Circuit, Ignition Control
    ICCS Integrated Chassis Control System
    ICM Ignition Control Module
    ID Identification, Inside Diameter
    IDI Integrated Direct Ignition
    IGBT Insulated Gate Bi-Polar Transistor
    IGN (ign) Ignition
    ILC Idle Load Compensator
    in Inch/Inches
    INJ Injection
    inst Instantaneous, Instant
    IP Instrument Panel
    IPC Instrument Panel Cluster
    IPM Instrument Panel Module
    I/PEC Instrument Panel Electrical Center
    ISC Idle Speed Control
    ISO International Standards Organization
    ISS Input Speed Shaft, Input Shaft Speed

    KAM Keep Alive Memory
    KDD Keyboard Display Driver
    kg Kilogram
    kHz Kilohertz
    km Kilometer
    km/h Kilometers per Hour
    km/l Kilometers per Liter
    KOEO Key On Engine Off
    kPa Kilopascals
    KS Knock Sensor
    kV Kilovolts

    L Liter
    L4 Four Cylinder Engine, In-Line
    L6 Six-Cylinder Engine, In-Line
    lb Pound
    lb ft Pound Feet Torque
    lb in Pound Inch Torque
    LCD Liquid Crystal Display
    LDCL Left Door Closed Locking
    LDCM Left Door Control Module
    LDM Lamp Driver Module
    LED Light Emitting Diode
    LEV Low Emissions Vehicle
    LF Left Front
    lm Lumens
    LR Left Rear
    LT Left
    LT Light
    LT Long Term
    LTPI Low Tire Pressure Indicator
    LTPWS Low Tire Pressure Warning System
    LWB Long Wheel Base

    MAF Mass Air Flow
    Man Manual
    MAP Manifold Absolute Pressure
    MAT Manifold Absolute Temperature
    max Maximum
    M/C Mixture Control
    MDP Manifold Differential Pressure
    MFI Multiport Fuel Injection
    mi Miles
    MIL Malfunction Indicator Lamp
    min Minimum
    MIN Mobile Identification Number
    mL Milliliter
    mm Millimeter
    mpg Miles per Gallon
    mph Miles per Hour
    MRC Magnetic Ride Control
    ms Millisecond
    MST Manifold Surface Temperature
    MSVA Magnetic Steering Variable Assist, Magnasteer®
    M/T Manual Transmission/Transaxle
    MV Megavolt
    mV Millivolt

    NA Normally aspirated (not super- or turbo charged)
    NAES North American Export Sales
    NC Normally Closed
    NEG Negative
    Neu Neutral
    NI Neutral Idle
    NiMH Nickel Metal Hydride
    NLGI National Lubricating Grease Institute
    N•m Newton-meter Torque
    NO Normally Open
    NOx Oxides of Nitrogen
    NPTC National Pipe Thread Coarse
    NPTF National Pipe Thread Fine
    NOVRAM Non-Volatile Random Access Memory

    O2 Oxygen
    O2S Oxygen Sensor
    OBD On-Board Diagnostics
    OBD II On-Board Diagnostics Second Generation
    OC Oxidation Converter Catalytic
    OCS Opportunity Charge Station
    OD Outside Diameter
    ODM Output Drive Module
    ODO Odometer
    OE Original Equipment
    OEM Original Equipment Manufacturer
    OHC Overhead Camshaft
    ohms Ohm
    OL Open Loop, Out of Limits
    ORC Oxidation Reduction Converter Catalytic
    ORN Orange
    ORVR On-Board Refueling Vapor Recovery
    OSS Output Shaft Speed
    oz Ounce(s)

    PAG Polyalkylene Glycol
    PAIR Pulsed Secondary Air Injection
    PASS, PSGR Passenger
    PASS-Key® Personalized Automotive Security System
    P/B Power Brakes
    PC Pressure Control
    PCB Printed Circuit Board
    PCM Powertrain Control Module
    PCS Pressure Control Solenoid
    PCV Positive Crankcase Ventilation
    PEB Power Electronics Bay
    PID Parameter Identification
    PIM Power Inverter Module
    PM Permanent Magnet Generator
    P/N Part Number
    PNK Pink
    PNP Park/Neutral Position
    PRNDL Park, Reverse, Neutral, Drive, Low
    POA Pilot Operated Absolute Valve
    POS Positive, Position
    POT Potentiometer Variable Resistor
    PPL Purple
    ppm Parts per Million
    PROM Programmable Read Only Memory
    P/S, PS Power Steering
    PSCM Power Steering Control Module, Passenger Seat Control Module
    PSD Power Sliding Door
    PSP Power Steering Pressure
    psi Pounds per Square Inch
    psia Pounds per Square Inch Absolute
    psig Pounds per Square Inch Gauge
    pt Pint
    PTC Positive Temperature Coefficient
    PWM Pulse Width Modulated

    QDM Quad Driver Module
    qt Quart(s)

    R-12 Refrigerant-12
    R-134a Refrigerant-134a
    RAM Random Access Memory, Non-permanent memory device, memory contents are lost when power is removed.
    RAP Retained Accessory Power
    RAV Remote Activation Verification
    RCDLR Remote Control Door Lock Receiver
    RDCM Right Door Control Module
    Ref Reference
    Rev Reverse
    REX Rear Exchanger
    RIM Rear Integration Module
    RF Right Front, Radio Frequency
    RFA Remote Function Actuation
    RFI Radio Frequency Interference
    RH Right Hand
    RKE Remote Keyless Entry
    Rly Relay
    ROM Read Only Memory, Permanent memory device, memory contents are retained when power is removed.
    RPM Revolutions per Minute Engine Speed
    RPO Regular Production Option
    RR Right Rear
    RSS Road Sensing Suspension
    RTD Real Time Damping
    RT Right
    RTV Room Temperature Vulcanizing Sealer
    RWAL Rear Wheel Antilock
    RWD Rear Wheel Drive

    s Second(s)
    SAE Society of Automotive Engineers
    SC Supercharger
    SCB Supercharger Bypass
    SCIP SuperCharger Inlet Pressure
    SCM Seat Control Module
    SDM Sensing and Diagnostic Module
    SEO Special Equipment Option
    SES Service Engine Soon warning light or icon
    SFI Sequential Multiport Fuel Injection
    SI System International Modern Version of Metric System
    SIAB Side Impact Air Bag
    SIDI Spark Ignition Direct Injection
    SIR Supplemental Inflatable Restraint
    SLA Short/Long Arm Suspension
    sol Solenoid
    SO2 Sulfur Dioxide
    SP Splice Pack
    S/P Series/Parallel
    SPO Service Parts Operations
    SPS Service Programming System, Speed Signal
    sq ft, ft² Square Foot/Feet
    sq in, in² Square Inch/Inches
    SRC Service Ride Control
    SRI Service Reminder Indicator
    SRS Supplemental Restraint System
    SS Shift Solenoid
    ST Scan Tool
    STID Station Identification Station ID
    S4WD Selectable Four-Wheel Drive
    Sw Switch
    SWB Short Wheel Base
    SWPS Steering Wheel Position Sensor
    syn Synchronizer

    TAC Throttle Actuator Control
    Tach Tachometer
    TAP Transmission Adaptive Pressure, Throttle Adaptive Pressure
    TBI Throttle Body Fuel Injection
    TC Turbocharger, Transmission Control
    TCC Torque Converter Clutch
    TCM Transmission Control Module
    TCS Traction Control System
    TDC Top Dead Center
    TEMP Temperature
    Term Terminal
    TFP Transmission Fluid Pressure
    TFT Transmission Fluid Temperature
    THM Turbo Hydro-Matic
    TIM Tire Inflation Monitoring, Tire Inflation Module
    TMAP Temperature and Manifold Absolute Pressure
    TOC Transmission Oil Cooler
    TP Throttle Position
    TPA Terminal Positive Assurance
    TPM Tire Pressure Monitoring, Tire Pressure Monitor
    TR Transmission Range
    TRANS Transmission/Transaxle
    TT Tell Tail Warning Lamp
    TV Throttle Valve
    TVRS Television and Radio Suppression
    TVV Thermal Vacuum Valve
    TWC Three Way Converter Catalytic
    TWC+OC Three Way + Oxidation Converter Catalytic
    TXV Thermal Expansion Valve

    UART Universal Asynchronous Receiver Transmitter
    U/H Underhood
    U/HEC Underhood Electrical Center
    U-joint Universal Joint
    UTD Universal Theft Deterrent
    UV Ultraviolet

    V Volt(s), Voltage
    V6 Six-Cylinder Engine, V-Type
    V8 Eight-Cylinder Engine, V-Type
    Vac Vacuum
    VAC Vehicle Access Code
    VATS Vehicle Anti-Theft System
    VCIM Vehicle Communication Interface Mode
    VCM Vehicle Control Module
    V dif Voltage Difference
    VDOT Variable Displacement Orifice Tube
    VDV Vacuum Delay Valve
    vel Velocity
    VES Variable Effort Steering
    VF Vacuum Fluorescent
    VIO Violet
    VIN Vehicle Identification Number
    VLR Voltage Loop Reserve
    VMV Vacuum Modulator Valve
    VR Voltage Regulator
    V ref Voltage Reference
    VSES Vehicle Stability Enhancement System
    VSS Vehicle Speed Sensor
    VVT Variable Valve Timing

    w/ With
    W/B Wheel Base
    WHL Wheel
    WHT White
    w/o Without
    WOT Wide Open Throttle
    W/P Water Pump
    W/S Windshield
    WSS Wheel Speed Sensor
    WU-OC Warm Up Oxidation Converter Catalytic
    WU-TWC Warm Up Three-Way Converter Catalytic

    X-valve Expansion Valve

    yd Yard(s)
    YEL Yellow

    Last edited by Submariner409; 04-10-16 at 01:14 PM.

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