A

A

Ampere(s)

A/C

Air Conditioning

A/D

Analogue to Digital

A/DFL

Air Deflector

A/F

Air/Fuel Ratio

A/T

Automatic Transmission/Transaxle

AAT

Ambient Air Temperature

ABS

Antilock Brake System, Absorber

Abv

Above

AC

Alternating Current

Acc

Access

ACC

Automatic Climate Control, Accumulator

Accel

Acceleration

Acclrm

Accelerometer

Acclrtm

Acceleration

Accum

Accumulator

Accy

Accessory

ACL

Air Cleaner

ACM

Air Conditioning Module

Acnt

Accent

Acsry

Accessory

Act

Actual

Actr

Actuator

ACTV

Activate

ACR4

Air Conditioning Refrigerant, Recovery, Recycling, Recharging

AD

Automatic Disconnect, Accommodated Device

Adap

Adapter

Adapt

Adaptive

Adapts

Adapters

Addt

Additive

ADG

Accommodated Device Gateway

Adhes

Adhesive

Adj

Adjust

Adjr

Adjuster

ADL

Automatic Door Lock

ADMIN

Administrative

Ads

Adsorber

ADS

Auxiliary Discriminating Sensor

Adv

Advanced

AFECM

Alternative Fuel Engine Control Module

AFM

Active Fuel Management, Air Flow Meter

AFO

Alternative Fuel Operation

AFR

Air Fuel Ratio

Aft

After

AH

Active Handling

AHRS

Amp-Hours

AI

Air Inlet

AIR

Secondary Air Injection

Al

Aluminum

ALC

Automatic Level Control, Automatic Lamp Control

ALDL

Assembly Line Diagnostic Link

ALM

Automatic Level Module

ALS

All Seasons - A tyre specification

Alt

Alternative, Altitude

AM/FM

Amplitude Modulation/Frequency Modulation

Amb

Ambient

Amm

Ammeter

Amp

Ampere, Amplifier

Ampf

Amplifier

Amps

Amperages

Amt

Armature

Anc

Anchor

Ant

Aerial

AP

Accelerator Pedal

APCM

Accessory Power Control Module

API

American Petroleum Institute

APLQ

Applique

APM

Accelerator Pedal Module, Accessory Power Module

APP

Accelerator Pedal Position

APPL

Application

Apr

April

APT

Adjustable Part Throttle

APU

Auxiliary Power Unit

APV

All Purpose Vehicle

ARS

Adaptive Receptive System

ASC

Anti-Slip Control

Asm

Assembly

ASM

Accelerator and Servo Control Module, Alarm Siren Module

ASR

Acceleration Slip Regulation

ASST

Assist

AT

Automatic Transmission

ATA

Automatic Transmission Actuator

ATC

Automatic Transfer Case, Automatic Temperature Control, Automatic Traction Control, Axle Torque Capacity

ATCH

Attach

ATD

Allison Transmission Division

ATDC

After Top Dead Centre

ATF

Automatic Transmission Fluid

ATS

Air Temperature Sensor

ATV

All Terrain Vehicle

ATSLC

Automatic Transmission Shift Lock Control

Aug

August

Auto

Automatic

Aux

Auxiliary

Avg

Average

A4WD

Automatic Four-Wheel Drive

AWD

All-Wheel Drive

AWG

American Wire Gauge

B

B/C

BellCrank

B/JNT

Ball Joint

B/U

Back Up

B+

Battery Positive Voltage

BAI

Blower Air Inlet

BAL

Balance

BALR

Balancer

BARO

Barometric Pressure

BARR

Barrier

BAS

Belt Alternator System, Brake Apply Sensor

BATT

Battery

BBV

Brake Booster Vacuum

BCA

Bias Control Assembly

BCM

Body Control Module

BD

Board

BEC

Bus Electrical Center

BFC

Body Function Controller

BFL

Baffle

BHD

Bulkhead

BG

Beige

BHP

Brake Horsepower

BIW

Body In White

BK

Black

BKG

Backing

BKL

Buckle

BKLT

Booklet

BKT

Bucket

BL

Bleed

BLK

Block, Black

BLO

Blower

Blts

Belts

BLU

Blue

BLW

Brake Lining Wear

Bn

Bank

BN

Brown

BOM

Bill Of Material

BP

Back Pressure

BPCM

Battery Pack Control Module

BPMV

Brake Pressure Modulator Valve

BPP

Brake Pedal Position

BPR

Bumper

BR

Brace

BRD

Braid

BRDR

Border

BRG

Bearing

BRK

Brake

BRKR

Breaker

BRKT

Bracket

BRN

Brown

BTCM

Brake Torque Control Module

BTDC

Before Top Dead Centre

BTM

Battery Thermal Module

BTSI

Brake Transmission Shift Interlock

BTU

British Thermal Units

BU

Blue

C

°C

Degrees Celsius

C/BAL

Counterbalance

C/CASE

Crankcase

C/LP

Courtesy Lamp

C/LTR

Cigarette Lighter

C/MBR

Crossmember

C/O

Carryover

C/OVR

Crossover

C/PLR

Center Pillar

C/SHF

Cross Shaft

C/VLV

Control Valve

CABT

Cabinet

CAC

Charge Air Cooler

CAFE

Corporate Average Fuel Economy

Cal

Calibration

Calc

Calculated

CALN

Calibration

CALR

Calibrator

Cam

Camshaft

CAN

Controller (Control) Area Network

CANC

Cancel

CAPAC

Capacitor

CARB

Carburetor, California Air Resources Board

CARR

Carrier

CASE

Crankshaft Angle Sense Error

Cass

Cassette

CAV

Cavity

CBL

Cable

CC

Coast Clutch, Climate Control

cm³

Cubic Centimetres

CCM

Convenience Charge Module, Chassis Control Module, Central Control Module

CCOT

Cycling Clutch Orifice Tube

CCP

Climate Control Panel

CCW

Counter Clock-Wise

CD

Compact Disc

CD/PLYR

Compact Disc Player

CDX

Compact Disc Changer

CE

Commutator End

CEAB

Cold Engine Air Bleed

CEMF

Counter Electromotive Force

CEX

Cabin Heat Exchanger

CFM

Cubic Feet per Minute

CG

Centre of Gravity

CHAN

Channel

CHAS

Chassis

CHEM

Chemical

CHK

Check

CHMBR

Chamber

CHRG

Charge

CID

Cubic Inch Displacement

CIU

Charge Interface Unit

CKP

Crankshaft Position (Sensor)

Ckt

Circuit

C/LTR

Cigar Lighter

CL

Closed Loop, Clear, Clutch, Clamp

CLA

Clamp

CLER

Clearance

CLG

Cooling

CLK

Clock

CLNG

Cleaning

CLNR

Cleaner

CLPR

Caliper

CLR

Cooler, Color

CLSR

Closure

CLS

Coolant Level Switch

CLU

Clutch

CLV

Clevis

cm

Centimeter

CM/SHF

Camshaft

CMC

Compressor Motor Controller

Cmd

Command

Cmmd

Commanded

CMP

Camshaft Position, Component

CMPD

Compound

CMPR

Compressor

CMPRN

Compression

CMPTR

Computer

CNCT

Contact

CNDCT

Conductor

CNDSR

Condenser

CNG

Compressed Natural Gas

CNSL

Console

CNSTR

Canister

CNTNR

Container

CNTR

Counter

CO

Carbon Monoxide

CO2

Carbon Dioxide

COAX

Coaxial

COL

Column

COLR

Collar

COMB

Combination

Combo

Combination

COML

Commercial

Comm

Communication

COMP

Compensator

Compl

Complete(d)

COMPT

Compartment

Cond

Condition

Config

Configuration

CONN

Connector

Const

Constant

CONT

Control

CONTAM

Contamination

CONV

Converter

COOL

Coolant

COR

Cornering

CORP

Corporation

COT

Cotter

CPA

Connector Position Assurance

CPLG

Coupling

CPLY

Capillary

CPN

Companion

CPP

Clutch Pedal Position

CPS

Childseat Positioning Sensor, Central Power Supply

CPSL

Capsule

CPT

Carpet

CPU

Central Processing Unit

CR

Cross, Cream

CR/SHF

Crankshaft

CRK

Crank

CRSN

Corrosion

CRT

Cathode Ray Tube

CRTC

Cathode Ray Tube Controller

CS

Charging System

CSFI

Central Sequential Fuel Injection

CSTG

Casting

CSTR

Cluster

CTD

Coated, Content Theft Deterrent

CTG

Coating

CTH

Catch

CTHR

Catcher

CTL

Central

CTLTC

Catalytic

CTN

Carton

CTP

Closed Throttle Position

CTR

Center

Ctrl

Control

CTSHF

Countershaft

Ctsy

Courtesy

CTUR

Contour

CUR

Current

CURT

Curtain

CUSH

Cushion

cu ft

Cubic Foot/Feet

cu in

Cubic Inch/Inches

CV

Constant Velocity

CVR

Cover

CVRSS

Continuously Variable Road Sensing Suspension

CVRTD

Continuously Variable Real Time Damping

CVT

Continuously Variable Transaxle, Continuously Variable Transmission

CWT

Counterweight

CYC

Cycle

Cyl

Cylinder(s)

D

D

Drive, Dark

D/CVR

Dust Cover

D/EXH

Dual Exhaust

D/O

Double Offset

DA

Dash

DAB

Delayed Accessory Bus

dB

Decibels

dBA

Decibels on A-weighted Scale

dBm

Decibel Meter

DC

Direct Current, Duty Cycle

DCLR

Decelerate

DCM

Door Control Module

DDM

Driver Door Module

DDN

Deadener

DDS

Driver Door (smart) Switch

DE

Drive End

Dec

December

DEC

Digital Electronic Controller

Decel

Decelerate

Def

Defrost

DEFG

Defogger

Defog

Defogger

DEFR

Defroster

Deg

Degrees

Deg C

Degrees Celsius

DEHYDR

Dehydrator

Del

Delivered

DEL

Delete

DEPR

Depression

DERM

Diagnostic Energy Reserve Module

Des

Desired

DES

Data Encryption Standard

Desc

Description

DFCO

Deceleration Fuel Cut-Off

DFL

Deflector

DI

Distributor Ignition

Diag

Diagnostic

DIAG

Diagonal

DIAGN

Diaphragm

dia

Diameter

DIC

Driver Information Centre

Diff

Differential

Dig

Digit

DIM

Dash Integration Module, Dimension

DIMR

Dimmer

DIR

Direct

Dis

Disable

DIS

Display

DISCH

Discharge

Discrim

Discriminate

DISCRM

Discriminating

Disp

Display

DISPL

Displacement

DISPR

Dispenser

DIST

Distance

DISTR

Distributor

DIV

Divider

DK

Dark

DLC

Data Link Connector, Diamond Like Carbon, Diamond Like Coating

DLC (S/P)

Data Link Controller (Serial / Parallel)

DLVY

Delivery

DM

Dome

DMCM

Drive Motor Control Module

DMG

Damage

DMM

Digital Multi-meter

DMSDS

Drive Motor Speed and Direction Sensor

DMU

Drive Motor Unit

DN

Down

DNR

Dolby Noise Reduction

DNSHFT

Downshift

DOC

Document

DOHC

Dual Overhead Camshafts

Dol

Dolby

DPM

Driver Position Module

DPNR

Dampener

Dr

Door

DRL

Daytime Running Lights

DRN

Drain

DRP

Dynamic Rear Proportion

DRVN

Driven

Drvr

Driver

DSCC

Distance Sensing Cruise Control

DSCM

Drivers Seat Control Module

DSGN

Design

DSL

Diesel

DSM

Driver Seat Module

DSP

Digital Signal Process

DTC

Diagnostic Trouble Code

DTNT

Detent

DTRNT

Deterrent

DVD

Digital Versatile Disc

DVTR

Diverter

DWG

Drawing

Dwn

Down

E

E&C

Entertainment & Comfort

E/GATE

End Gate

E/M

English/Metric

EA

Each

EBC

Electronic Brake Control

EBCM

Electronic Brake Control Module

EBM

Electronic Brake Module

EBTCM

Electronic Brake and Traction Control Module

EC

Electrical Centre, Engine Control

ECC

Electronic Climate Control

ECI

Extended Compressor at Idle

ECL

Engine Coolant Level

ECM

Engine Control Module, Electronic Control Module

Econ

Economy

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

EFI

Electronic Fuel Injection

EGR

Exhaust Gas Recirculation

EHA

Electo Hydrostatic Actuator

EHCU

Electric Hydraulic Control Unit

EGR TVV

Exhaust Gas Recirculation Thermal Vacuum Valve

EHPS

Electrohydraulic Power Steering

EI

Electronic Ignition

EJCTR

Ejector

EL

Elbow

ELAP

Elapsed

ELAS

Elastic

ELB

Emblem

ELC

Electronic Level Control

Elec

Electric

ELECT

Electrode

ELEK

Electronic

EMER

Emergency

EMF

Electromotive Force

EMI

Electromagnetic Interference

EMIS

Emission

EN

Evaporative Canister

ENG

Engine

ENGMT

Engagement

ENGY

Energy

ENGZR

Energizer

ENV

Envelope

EOP

Engine Oil Pressure

EOS

Exhaust Oxygen Sensor

EOT

Engine Oil Temperature

EPA

Environmental Protection Agency

EPR

Exhaust Pressure Regulator

EPROM

Erasable Programmable Read Only Memory

EPS

Electric Power Steering

EQ

Equalizer

EQLZR

Equalizer

EQUIP

Equipped

ESB

Expansion Spring Brake

ESC

Electronic Suspension Control

ESCUT

Escutcheon

ESD

Electrostatic Discharge

ESM

Electronic Steering Module

ESN

Electronic Serial Number

ESO

Engine Shut Off

Est

Estimated

ETC

Electronic Throttle Control, Electronic Temperature Control, Electronic Timing Control

ETCC

Electronic Touch Climate Control

ETR

Electronically Tuned Receiver (Radio)

ETS

Enhanced Traction System, Enhanced Traction System

EV

Electric Vehicle

Evap

Evaporator

EVAP

Evaporative Emission

EVO

Electronic Variable Orifice

EVPR

Evaporator

EX

Exhaust

EXCH

Exchanger

EXH

Exhaust

EXPDG

Expanding

EXPN

Expansion

Ext

Extended

EXT

External

EXTN

Extension

EXTR

Exterior

EYLT

Eyelet

F

°F

Degrees Fahrenheit

F

Fahrenheit

F/AXL

Front Axle

F/CMPT

Front Compartment

F/D

Front of Dash

F/END

Front End

F/FDR

Front Fender

F/FLR

Front Floor

F/GA

Fuel Gauge

F/IDL

Fuel Idle

F/INJN

Fuel Injection

F/INJR

Fuel Injector

F/PMP

Fuel Pump

F/RST

Foot Rest

F/SEAT

Front Seat

F/TNK

Fuel Tank

F/TOP

Folding Top

F4WD

Full-time Four Wheel Drive

FAC

Facing

FACT

Factor

FC

Fan Control

Fdbk

Feedback

Feb

February

FDC

Fuel Data Centre

FED

Federal All United States except California

FEDS

Fuel Enable Data Stream

FEIC

Fuel Economy Integrated Counter

FET

Field Effect Transistor

FEX

Front End heat exchanger

FF

Flexible Fuel

FFH

Fuel-Fired Heater

FFV

Flexible Fuel Vehicle

FI

Fuel Injection

FICM

Fuel Injector Control Module

FIL

Filler

FILA

Filament

Filt

Filter

FIN

Financial, Finish

FL

Front Left

FLDG

Folding

FLEX

Flexible

FLG

Flange

FLMBTY

Flammability

Flr

Floor

FLSHR

Flasher

FLTR

Filter

FLYWHL

Flywheel

FM

Frequency Modulation

FMVSS

Federal U.S. Motor Vehicle Safety Standards

FNA

Functional Name Address

FNM

Functional Name Modifier

FORG

Forging

FP

Fuel Pump

FR

Front Right

Freq

Frequency

FRICT

Friction

FRM

Frame

FRM/U

Frame Unit

Frnt

Front

FRP

Fuel Rail Pressure

FRT

Front

FSCM

Fuel System Control Module

ft

Foot/Feet

FT

Fuel Trim

FTG

Fitting

ft-lb

Foot-Pounds

FTP

Fuel Tank Pressure

FV

Front View

Fwd

Forward

F4WD

Full Time Four Wheel Drive

4WAL

Four Wheel Antilock

4WD

Four Wheel Drive

FW

Flat Wire

FWD

Front Wheel Drive, Forward

FWS

Front Wheel Spoiler

G

g

Grams, Gravitational Acceleration

G/MLDG

Garnish Molding

G/NUT

Gearnut

GA

Gauge

GAL

Gallery

gal

Gallon

GARN

Garnish

gas

Petrol

GCW

Gross Combination Weight

GD

Gold

GDE

Guide

Gen

Generator

GL

Gear Lubricant

GLZ

Glaze

GM

General Motors

GM SPO

General Motors Service Parts Operations

GN

Green

Gnd

Ground

GOV

Governor

GOVT

Government

GPDS

Global Product Description System

GPM

Gallons Per Minute

GPS

Global Positioning System

GR

Gear

GRL

Grille

GRN

Green

GROM

Grommet

GRP

Group

GRV

Groove

GRVD

Grooved

GRY

Grey

GS

Garage Shift, Gold Stripe

GTR

Gutter

GUSS

Gusset

GVAR

Gross Vehicle Axle Rating

GVDP

Global Vehicle Development Process

GVL

Gravel

GVW

Gross Vehicle Weight

GVWR

Gross Vehicle Weight Rating (at ground)

GY

Grey

H

H

Hydrogen

H/C

High Compression

H/PLR

Hinge Pillar

H/PRF

High Performance

H/RST

Head Restraint

H/SHLD

Heat Shield

H/W

Hardware

H2O

Water

HARN

Harness

HC

Hydrocarbons

HCM

Heating Control Module, HVAC Control Module

HCP

Hybrid Control Processor

HD

Heavy Duty, Head

HDC

Heavy Duty Cooling

HDL

Handle

HDLNG

Headlining

HDLP

Headlamp

HDR

Header

HDV

Heavy Duty Vehicle

HDW

Hardware

HE

Hinge

HEV

Hybrid Electric Vehicle

hex

Hexagon, Hexadecimal

Hg

Mercury

Hi

High

Hi Alt

High Altitude

HID

High Intensity Discharge (headlamps)

Hist

History

HLDR

Holder

HNGR

Hanger

HO2S

Heated Oxygen Sensor

HOLDN

Hold Down

Horiz

Horizontal

HP

Horsepower

HPL

High Pressure Liquid

HPM

Hybrid Power Module

HPS

High Performance System

HPV

High Pressure vapour

HPVS

Heat Pump Ventilation System

Hr

Hour

hrdw

Hardware

Hrs

Hours

HSG

Housing

HT

Heat

HTCM

HVAC Thermal Control Module

HTD

Heated

Htr

Heater

HUD

Head Up Display

HV

High Voltage, Hybrid Vehicle

HVAC

Heater Ventilation Air Conditioning

HVACM

Heater Vent Air Conditioning Module

HVIL

High Voltage Interlock Loop

HVM

Heater Vent Module

HVY

Heavy

HW

Heated Windshield

HWY

Highway

HYD

Hydraulic

Hz

Hertz

I

I/M

Inspection & Maintenance

I/O

In/Out, Input/Output

I/P

Instrument Panel

I/PEC

Instrument Panel Electrical Centre

I/S

Inside

IA

Intake Air

IAC

Idle Air Control

IAT

Intake air temperature

IC

Integrated Circuit, Ignition Control

ICCS

Integrated Chassis Control System

ICDX

Integrated Compact Disc Changer

ICM

Ignition Control Module

ICS

Integrated Chassis System

ID

Identification, Inside Diameter, Identifier

IDI

Integrated Direct Ignition

IEA

Impact Energy Absorber

IFF

Injection Fuel Filter

IGBT

Insulated Gate Bipolar Transistor

ign

Ignition

ILC

Idle Load Compensator

Illum

Illumination

IMDX

Integrated Mini Disc Changer

Immo

Immobiliser

IMP

Impact

IMRC

Intake Manifold Runner Control

IMT

Intake Manifold Tuning

In

Inch/Inches

Inadv

Inadvertent

Inc

Increment

Incand

Incandescent

INCLR

Intercooler

IND

Indictor

Infl

Inflatable

INFLR

Inflator

Info

Information

Init

Initial

Inj

Injector

INJN

Injection

INJR

Injector

INL

Inlet

INR

Inner

INS

Insert

INSL

Insulator

INSP

Inspection

inst

Instantaneous, Instant

INST

Instrument

INSTL

Install

INSTR

Instruction

Int

Interior

INT

Intake

IP

Instrument Panel

IPC

Instrument Panel Cluster

IPCM

Instrument Panel Cluster Module

IPG

Instrument Panel Glove box

IPL

Instrument Panel, Lower

IPM

Instrument Panel Module

IPR

Instrument Panel Retainer

IPU

Instrument Panel, Upper

IRVM

Inside Rear View Mirror

IRVSM

Inside Rear View Sensing Mirror

ISC

Idle Speed Control

ISCM

Idle Speed Control Motor

ISG

Idle Speed Governor

ISM

Input Switch Module

Iso

Isolation

ISO

International Standards Organization

ISP

Integrated Spark Plug, Internet Service Provider

ISS

Input Speed Shaft, Input Shaft Speed

ITCM

Integrated Transmission Control Module

IVED

Integrated Vehicle Electrical Design

IVER

Integration Vehicle Engineering Release

K

K/UP

Kick Up

KAM

Keep Alive Memory

KDD

Keyboard Display Driver

Kg

Kilogram

Kg/h

Kilograms per Hour

KHz

Kilohertz

km

Kilometre

Km/h

Kilometres per Hour

Km/l

Kilometres per Litre

KNU

Knuckle

kPa

Kilopascals

KS

Knock Sensor

kV

Kilovolts

L

L

Liter, Light, Low

L/GATE

Lift Gate

L/PLR

Lock Pillar

L/SLIP

Limited Slip

L4

Four Cylinder Engine, In-Line

L6

Six-Cylinder Engine, In-Line

LAB

Laboratory

LAM

Laminate

LAT

Latch

LATL

Lateral

lb

Pound

lb ft

Pound Feet Torque

lb in

Pound Inch Torque

LBL

Label

LBS. FT.

pounds foot

LBS. IN.

pounds inch

LCD

Liquid Crystal Display

LCG

Lacing

LCM

Lighting Control Module

LD

Light Duty

LDCL

Left Door Closed Locking

LDCM

Left Door Control Module

LDGV

Ledge

LDM

Lamp Driver Module

Lduty

Light Duty

LED

Light Emitting Diode

LEV

Low Emissions Vehicle

LF

Left Front

LFTR

Lifter

LGM

Lift Gate Module

LGT

Light

LGTDNL

Longitudinal

LIC

License

LIMS

Limit

LIQ

Liquid

LK

Lock

LKG

Locking

LMD

Left Mid Door

LMTNG

Limiting

LNG

Lining

LNKG

Linkage

LNR

Liner

Lo

Low

LOC

Location

LOCR

Locator

LP

Lamp

LPG

Liquefied Petroleum Gas (Propane)

LPS

Low Pressure Sensor

LPTW

Low Tire Pressure Warning

lm

Lumens

LR

Left Rear

LRD

Left Rear Door

Lrn

Learn

Lt

Left

LT

Light Truck, Long Term, Lead Time

LTPI

Low tyre Pressure Indicator

LTPW

Low Tire Pressure Warning

LTPWS

Low tyre Pressure Warning System

LTR

Letter

LUB

Lubricant

LUGG

Luggage

LUV

Louver

Lvl

Level

LVL

Level

LVLG

Leveling

LVR

Lever

LWB

Long Wheel Base

LWR

Lower

M

M/C

Mixture Control

M/CYL

Master Cylinder

M/FUNC

Multifunction

M/PORT

Multiport

M/T

Manual Gearbox

M/TRNS

Manual Gearbox

MAF

Mass Air Flow

MAFS

Mass Air Flow Sensor

MAG

Magnetic

MAINT

Maintenance

Malf

Malfunction

MALL

Multifunction Alarm Lighting and Locking

Man

Manual

MANIF

Manifold

Manufact

Manufactures

MAP

Manifold Absolute Pressure

MAPS

Manifold Absolute Pressure Sensor

Mar

March

MAS

Master

MAT

Manifold Absolute Temperature, Manifold Air Temperature

MATL

Material

MATLSPEC

Material Specification

Max

Maximum

MBOM

Manufacturing Bill Of Materials

MCHG

Machining

MCU

Microprocessor Control Unit

MD

Mini Disk

MDL

Module

MDP

Manifold Differential Pressure

MDX

Mini Disk Changer

Med

Medium

MEDLN

Medallion

Mem

Memory

MET

Metal

MFI

Multiport Fuel Injection

Mgmt

Management

mi

Miles

MIC

Microphone

Mid

Midrange

MIL

Malfunction Indicator Lamp, Military

min

Minimum

Min

Minute

MIN

Mobile Identification Number

MIR

Mirror

MIX

Mixture

MKR

Marker

mL

Millilitre

mm

Millimetre

mm3

cubic millimeter

mmhg

millimeters of Mercury

MMM

Memory Mirror Module

Mod

Module

MOD

Modulator

Mon, MON

Monitor

MOT

Motor

MPG

Miles per Gallon

mph

Miles per Hour

ms

Millisecond

MSEC

Millisecond

Msg

Message

MSM

Memory Seat Module

MST

Manifold Surface Temperature

MSTRE

Moisture

MSVA

Magnetic Steering Variable Assist, Magnasteer®

MT

Manual Transmission/Transaxle, Mount

MTG

Mounting

Mtr

Motor

MTR

Meter

MTRG

Metering

MUFF

Muffler

Mult

Multiple

Mux

Multiplex(-ing, -or)

MV

Megavolt

mV

Millivolt

N

N

Neutral

N/PLT

Name Plate

NA

Natural

NAES

North American Export Sales

Nav

Navigation

Nb

Niobium

NC

Normally Closed

NDH

Navigation Display Head

NDL

Needle

NEG

Negative

NEU

Neutral

Ni

Nickel

NI

Neutral Idle

Ni-CD

Nickel-Cadmium

Ni-Ion

Nickel-Ion battery

NiMH

Nickel Metal Hydride

NIP

Nipple

NLGI

National Lubricating Grease Institute

N·m

Newton-meter Torque

NO

Normally Open

no.

Number

NOCONTAM

No contamination

Nov

November

NOx

Oxides of Nitrogen

NOZ

Nozzle

NPTC

National Pipe Thread Coarse

NPTF

National Pipe Thread Fine

NR

Noise Reduction

NTC

Notice

NOVRAM

Non-Volatile Random Access Memory

NV

Night Vision

NVRAM

Non-Volatile (static) Random Access Memory

O

O/M

Owner's Manual

O2

Oxygen

O2S

Oxygen Sensor

OAT

Outside Air Temperature

OBD

On-Board Diagnostics

OBD II

On-Board Diagnostics Second Generation

OBPA

Off Board Programming Adapter

OC

Oxidation Catalytic

OCC

Occupant

OCS

Opportunity Charge Station

Oct

October

OD

Outside Diameter

ODM

Output Drive Module

ODO

Odometer

OE

Original Equipment

OEM

Original Equipment Manufacturer

OG

Orange

OHC

Overhead Camshaft

Ω

Ohm

OL

Open Loop, Out of Limits

OM

Owners Manual

ONS

OnStar

ORC

Oxidation Reduction Catalytic

Orig

Original

ORN

Orange

ORVR

On-Board Refuelling Vapour Recovery

OSC

Oxygen Storage Capacity

OSRVM

Out Side Rear View Mirror

OSS

Output Shaft Speed

Overtemp

Overtemperature

oz

Ounce(s)

P

P

Park

P/B

Power Brake

P/BUT

Push-button

P/GR

Pinion gear

P/N

Part Number

P/S

Power steering

P/SEAT

Passenger seat

P/W

Power window

PA

Public address

PAG

Polyalkylene Glycol

PAIR

Pulsed Air Injection Reactor

PARK

Parking

Parms

Parameters

PASG

Passage

PASS, PSGR

Passenger

PASS-Key®

Personalized Automotive Security System

PATT

Pattern

PC

Pressure Control

PCB

Printed Circuit Board

PCM

Powertrain Control Module

PCMCIA

Personal Computer Memory Card International (or Industry) Association

PCS

Pressure Control Solenoid

PCV

Positive Crankcase Ventilation

PDIF

Pressure Differential

PDM

Passenger Door Module

PDS

Passenger Door Switch

PEB

Power Electronics Bay

PED

Pedal

Perf

Performance

Phn

Phone

PID

Parameter Identification

PILO

Pillow

PIM

Power Inverter Module

PIN

Personal Identification Number

PIT

Pitman

PIV

Pivot

PK

Pink

PKG

Package

PKT

Pocket

PLGR

Plunger

PLL

Phase Locked Loop

PLNM

Plenum

PLNT

Planetary

PLR

Pillar

PLT

Plate

PLTF

Platform

PLYR

Player

PM

Permanent Magnet Generator

PMV

Pressure Modulator Valve

PN

Part Number

PNDLM

Pendulum

PNK

Pink

PNL

Panel

PNP

Park/Neutral Position

PNT

Pointer

POA

Pilot Operated Absolute Valve

POS

Positive, Position

POT

Potentiometer Variable Resistor

PPAH

Parallel Power Assist Hybrid

PPL

Purple

PPM

Parts per Million

PPS

Passenger Presence Sensing

PREDLVY

Predelivery

PRES

Present

PRESS

Pressure

PRESS REG

Pressure Regulator

Preten

Pretensioner

Prev

Previous

PREV

Preventive

PRGM

Program

PRIM

Primary

PRNDL

Park, Reverse, Neutral, Drive, Low

PROC

Process

PROCD

Procedure

Prog

Program

PROGMR

Programmer

PROM

Programmable Read Only Memory

PROP

Propeller

PROPN

Proportion

PROTN

Protection

PROTR

Protector

PROTV

Protective

PS

Power Steering

PSA

Power Switch Assembly

PSC

Power Steering Controller

PSCM

Power Steering Control Module, Passenger Seat Control Module, Power Seat Control Module

PSD

Power Sliding Door

Psgr

Passenger

PSI

Pounds per Square Inch

psia

Pounds per Square Inch Absolute

PSIG

Pounds per Square Inch Gauge

PSIR

Passenger Supplemental Inflatable Restraint

PSIV

Passive

PSM

Passenger Seat Module

PSP

Power Steering Pressure

PSTN

Piston

pt

Pint

PTC

Positive Temperature Coefficient

PTCM

Powertrain Control Module

PTO

Power Take-Off

PU

Purple

PUB

Pick Up Box

PUBX

Pickup box

PUL

Pulley

PULDN

Pull-down

PW

Power Windows

PWM

Pulse Width Modulated

PWR

Power

PWRT

Powertrain

PZM

Platform Zone Module

Q

Q/PNL

Quarter Panel

Q/WDO

Quarterlight

QDM

Quad Driver Module

qt

Quart(s)

QTR

Quarter

R

R

Reverse

R/AXL

Rear Axle

R/CMPT

Rear Compartment

R/CON

Remote Control

R/D

Rear Door

R/END

Rear End

R/FLR

Rear Floor

R/FDR

Rear Fender

R/GR

Rear Gear

R/MLDG

Reveal Molding

R/Q

Rear Quarter

R/RL

Roof Rail

R/SEAT

Rear Seat

R/TOP

Removable Top

R/WDO

Rear Window

R-12

Refrigerant-12

R-134a

Refrigerant-134a

RAC

Remote Accessory Control(ler)

RAD

Radiator

RAM

Random Access Memory, Non-permanent memory device, memory contents are lost when power is removed.

Ran

Random

RAP

Retained Accessory Power

RAV

Remote Activation Verification

RBND

Rebound

RCC

Rear Climate Control

RCPT

Receptacle

RCVG

Receiving

RCVR

Receiver

RCVY

Recovery

RCDLR

Remote Control Door Lock Receiver

RD

Red

RDCM

Right Door Control Module

RDCN

Reduction

RDCR

Reducer

RDG

Reading

RDM

Rear Door Module

RDO

Radio

RDS

Radio Display System

Rec

Receive

Recep

Receptable

Recirc

Recirculation

Recl

Recline

RECL

Recliner

RECRG

Recirculating

Ref

Reference

REFL

Reflector

REFLTY

Reflectivity

Refrig

Refrigeration

REFRIG

Refrigerant

REG

Regulator or Regulated

Regen

Regeneration or Regenerate

REINF

Reinforcement

REL

Release

REM

Remote

REMAN

Remanufacture

REPL

Replace

Req

Requisition

REQ

Request

REQT

Requirement

RES

Resistor

Resist

Resistance

RESO

Resonator

RESV

Reserve

Resync

Resynchronize

RET

Retainer

RETR

Retractor

Rev

Reverse

REVBR

Reverberator

REVLDT

Revalidation

REX

Rear Exchanger

RIM

Rear Integration Module

RF

Right Front, Radio Frequency, Roof

RFA

Remote Function Actuation

RFI

Radio Frequency Interference

RFWS

Right Front Wheel Speed

RGTRN

Registration

RH

Right Hand

RIM

Radio Interface Module, Rear Integration Module

RIV

Rivet

RKE

Remote Keyless Entry

RKR

Rocker

RL

Rail

RLF

Relief

RLR

Roller

RLY

Relay

RMD

Right Mid Door

RND

Round

ROM

Read Only Memory, Permanent memory device, memory contents are retained when power is removed.

ROS

Roll Over Sensor

ROT

Rotor

RPA

Rear Parking Assist

RPM

Revolutions per Minute Engine Speed

RPO

Regular Production Option

RPR

Repair

RPRT

Report

RR

Right Rear, Rear

RRD

Rear Right Door

RSA

Rear Seat Audio

RSG

Radio Speaker Grill

RSR

Riser

RSS

Road Sensing Suspension

RST

Restraint

RSTN

Restriction

RSTR

Restrictor

RSVR

Reservoir

RT

Right

RTC

Real Time Clock

RTD

Real Time Damping

RTN

Return

RTT

Reconfigurable Telltale

RTV

Room Temperature Vulcanising Sealer

RU

Rust

RVC

Regulated Voltage Control (sometimes Controller)

RVHSM

Rear Vented Heated Seat Module

RVL

Reveal

RVS

Remote Vehicle Start

RWAL

Rear Wheel Antilock

RWD

Rear Wheel Drive

RWS

Rear Wheel Steering

S

s

Second(s)

S/ABS

Shock absorber

S/D

Side door

S/GR

Steering Gear

S/KNU

Steering Knuckle

S/LP

Stop lamp

S/MBR

Side member

S/PNL

Side panel

S/RL

Side rail

S/S

Sunshade

S/STR

Sealing strip

S/W

Software

SAE

Society of Automotive Engineers

SAF

Safety

SAS

Steering Angle Sensor

SBM

Standard Body Module

SC

Supercharger, Sports Coupe

SCAV

Scavenging

SCB

Supercharger Bypass

SCE

Source

SCLCM

Steering Column Lock Control Module

SCM

Seat Control Module

SCRN

Screen

SCTR

Sector

SCV

Speed Controlled Volume

SDL

Serial Data Link

SDM

Sensing and Diagnostic Module

SDR

Sender

Sec

Second(s)

SECD

Secondary

SECT

Section

SEL

Selector

SEN

Sensor

SEO

Special Equipment Option

Sep

September

SEP

Separator

Seq

Sequence

SEQ

Sequential

Ser

Serial

SERV

Service

SF

Spot face

SFI

Sequential Multiport Fuel Injection

SGM

Shanghai General Motors

SH

Sheet

SHF

Shaft

SHFT

Shift

SHK

Shock

SHKL

Shackle

SHLD

Shield

SHLDR

Shoulder

SHLF

Shelf

SHPG

Shipping

SHRD

Shroud

SI

Side, Spark Ignition

SI

System International Modern Version of Metric System

SIAB

Side Impact Air Bag

SIG

Signal

SIL

Silencer

SIR

Supplemental Inflatable Restraint

SIS

Side Impact Sensor

SK

Skirt

SLA

Short/Long Arm Suspension

SLDG

Sliding

SLDR

Solder

SLEV

Sleeve

SM

Small

SMCC

Stepper Motor Cruise Control

SNBR

Snubber

SND

Sound

SNFR

Snuffer

SO2

Sulphur Dioxide

SOC

Socket

SOH

State Of Health

SOL

Solenoid

SOLV

Solvent

SP

Splice Pack

S/P

Series/Parallel

SPA

Spare

SPCHG

Supercharger

SPCR

Spacer

SPD

Speed

SPDL

Spindle

SPEC

Specification

SPECD

Specified

SPEEDO

Speedometer

SPH

Splash

SPHER

Spherical

SPI

Serial Peripheral Interface

SPKR

Speaker

SPKT

Sprocket

SPLG

Spark plug

SPLP

Spot Lamp

SPLR

Spoiler

SPLTR

Splitter

SPLY

Supply

SPO

Service Parts Operations

SPR

Spring

SPS

Service Programming System, Speed Signal

SPWELD

Specified welds

sq ft, ft²

Square Foot/Feet

sq in, in²

Square Inch/Inches

SR

Silver

SRC

Service Ride Control

SRI

Service Reminder Indicator

SRS

Supplemental Restraint System

SRV

Servo

SS

Shift Solenoid, Speed Signal, Super Sport

SSE

Super Sport Edition

SSR

Super Sports Roadster

SSS (S3)

Speed Sensitive Steering

SSV

Shift Solenoid Valve

ST

Scan Tool, Seat

STA

Stationary

STAB

Stabilizer

STAT

Stator

STCHG

Stitching

STD

Standard

Stdby

Standby

STFNR

Stiffener

STID

Station Identification Station ID

STKR

Striker

STL

Service Transmission Lamp

STNR

Strainer

STOR

Storage

STOW

Stowage

STPL

Staple

STR

Strip

STRG

Steering

STRGR

Stringer

STRP

Strap

STRPE

Stripe

STRTR

Starter

S4WD

Selectable Four-Wheel Drive

SUC

Suction

SUP

Supplement

SUPPR

Suppressor

SUPT

Support

SURF

Surface

SUSP

Suspension

SUV

Sport Utility Vehicle

SV

Side view

SVS

Service Vehicle Soon

Sw

Switch

SWB

Short Wheel Base

SWC

Steering Wheel Controls

Switz

Switzerland

SWIV

Swivel

SWPS

Steering wheel position sensor

SYN

Synchroniser

Sync

Synchronize

SYS

System

T

T&T

Tilt & telescope

T/BLK

Terminal block

T/CV

Torque converter

T/GA

Temperature gauge

T/LP

Tail lamp

T/PLYR

Tape player

T/PNL

Trim panel

T/SIG

Turn signal

T/V

Throttle valve

TA

Traffic Announcement

TAC

Throttle Actuator Control

TACH

Tachometer

TACM

Throttle Actuator Control Module

TAP

Transmission Adaptive Pressure, Throttle Adaptive Pressure, Tapping

TARP

Tarpaulin

TAS

Trap Alert System

TAV

Transmission Adaptive Volume

TBC

Truck Body Controller

TBI

Throttle Body Fuel Injection

TC

Turbocharger, Transmission Control

TCC

Torque Converter Clutch

TCCM

Transfer Case Control Module

TCM

Traction Control Module, Transmission Control Module

TCS

Traction Control System

TCSCM

Transfer Case Shift Control Module

TDC

Top Dead Centre

TEL

Telephone

Tele

Telescope

TEMP

Temperature

TEMPL

Template

TENS

Tension

TENSR

Tensioner

TERM

Terminal

TFP

Transmission Fluid Pressure

TFT

Transmission Fluid Temperature

THD

Thread

THERM

Thermostat

THM

Turbo Hydra-Matic

THNR

Thinner

THR

Thrust

THROT

Throttle

TIM

Tyre Inflation Monitoring, tyre Inflation Module

TIS

Techline Information System

TK

Tank

TL

Tubeless, Teal

TLA

Tail Lamp

TLSCP

Telescope

TMG

Timing

TMPRY

Temporary

TN

Tan

TOC

Transmission Oil Cooler

TOL

Tolerance

TORQ

Torque

TORS

Torsion

TP

Throttle Position

TPA

Terminal Positive Assurance

TPIM

Traction Power Inverter Module

TPM

Tyre Pressure Monitoring, tyre Pressure Monitor

TQ

Torque, Turquoise

TR

Transmission Range, Trim

Trac

Traction

TRACT

Traction

TRANS

Transmission

Transp

Transponder

Transx

Transaxle

TRFER

Transfer

Trk

Truck

TRK

Track

TRLR

Trailer

TRUN

Trunnion

TSD

Time speed distance

TSS

Turbine Shaft Speed

TSTR

Tester

TT

Tell Tail lamp, Tube type

TTM

Tilt & Telescope Module

TUMB

Tumbler

TUN

Tunnel

TURB

Turbine

TURBO

Turbocharger

TV

Throttle Valve

TVRS

Television and Radio Suppression

TVV

Thermal Vacuum Valve

TWC

Three Way Converter Catalytic

TWR

Tower

Twtr

Tweeter

TWC+OC

Three Way + Oxidation Converter Catalytic

TXV

Thermal Expansion Valve

U

U/B

Underbody

U/HOOD

Underbonnet

U/SEAT

Underseat

U/V

Under vehicle

UART

Universal Asynchronous Receiver Transmitter

UBEC

Underhood Bussed Electrical Center

U/H

Underbonnet

U/HEC

Underbonnet Electrical Centre

U-joint

Universal Joint

UJT

Universal joint

UND

Under

Unlk

Unlock

UPR

Upper

UPSHFT

Upshift

UTD

Universal Theft Deterrent

UV

Ultraviolet

V

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

VT

Violet

W

w/

With

W/B

Wheel Base

WH

White

WHL

Wheel

WHT

White

w/o

Without

WOT

Wide Open Throttle

W/P

Water Pump

W/S

Windscreen

WSS

Wheel Speed Sensor

WU-OC

Warm Up Oxidation Converter Catalytic

WU-TWC

Warm Up Three-Way Converter Catalytic

X

X-valve

Expansion Valve

Y

yd

Yard(s)

YE

Yellow

YEL

Yellow