Abbreviations and Meanings. Chevrolet Export Chevy P42 Commercial Chassis 2000

For 1990-2009 cars

Abbreviation | Meaning
--- | ---
A
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
A/D | Analog to Digital
ADL | Automatic Door Lock
A/F | Air/Fuel (Ratio)
AIR | Secondary Air Injection
ALC | Automatic Level Control
AM/FM | Amplitude Modulation/Frequency Modulation
Ant | Antenna
AP | Accelerator Pedal
API | American Petroleum Institute
APP | Accelerator Pedal Position
APT | Adjustable Part Throttle
ARS | Automatic Restraint System
ASR | Acceleration Slip Regulation
A/T | Automatic Transmission/Transaxle
ATC | Automatic Temperature Control
ATDC | After Top Dead Center
Auto | Automatic
AUX | Auxiliary
avg | average
AWD | All Wheel Drive
AWG | American Wire Gage
B
B+ | Battery Positive Voltage
B- | Battery Negative Voltage
BARO | Barometric (pressure)
batt | battery
BBV | Brake Booster Vacuum
BCM | Body Control Module
BHP | Brake Horsepower
BLK | Black
BLU | Blue
BP | Back Pressure
BPM | Brake Pressure Modulator
BPMV | Brake Pressure Modulator Valve
BPP | Brake Pedal Position
BRN | Brown
BTDC | Before Top Dead Center
Btu | British thermal units
C
°C | Degrees Celsius
CAC | Charge Air Cooler
CAFE | Corporate Average Fuel Economy
Cal | Calibration
Cam | Camshaft
CARB | California Air Resources Board
cc | cubic centimeters
CCM | Central Control Module
CCOT | Cycling Clutch Orifice Tube
CCP | Climate Control Panel
CD | Compact Disc
CE | Commutator End
CEAB | Cold Engine Air Bleed
CEMF | Counter Electromotive Force
cfm | cubic feet per minute
cg | center of gravity
CID | Cubic Inch Displacement
CKP | Crankshaft Position
CKT | Circuit
CL | Closed Loop
C/Ltr | Cigar Lighter
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
CTP | Closed Throttle Position
cu ft | cubic foot/feet
cu in | cubic inch/inches
CV | Constant Velocity (joint)
CVRSS | Continuously Variable Road Sensing Suspension
Cyl | Cylinder(s)
D
DAB | Delayed Accessory Bus
dB | decibels
dBA | decibels on A-weighted scale
DC | Direct Current
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
DK | Dark
DLC | Data Link Connector
DMM | Digital Multimeter
DOHC | Dual Overhead Camshafts
DR | Driver
DRL | Daytime Running Lamps
DTC | Diagnostic Trouble Code
E
EBCM | Electronic Brake Control Module
EBTCM | Electronic Brake and Traction Control Module
EC | Electrical Center
ECC | Electronic Climate Control
ECI | Extended Compressor at Idle
ECL | Engine Coolant Level
ECM | Engine Control Module
ECS | Emission Control System
ECT | Engine Coolant Temperature
EEPROM | Electronically 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
EI | Electronic Ignition
ELAP | Elapsed
ELC | Electronic Level Control
E/M | English / Metric
EMF | Electromotive Force
Eng | Engine
EOP | Engine Oil Pressure
EOT | Engine Oil Temperature
EPA | Environmental Protection Agency
EPR | Exhaust Pressure Regulator
EPROM | Erasable Programmable Read Only Memory
ESC | Electronic Suspension Control
ESD | Electrostatic Discharge
ETC | Electronic Throttle Control, Electronic Temperature Control
ETCC | Electronic Touch Climate Control
ETR | Electronically Tuned Receiver
EVAP | Evaporative Emission
EVO | Electronic Variable Orifice
Exh | Exhaust
F
°F | Degrees Fahrenheit
FC | Fan Control
FDC | Fuel Data Center
FED | Federal (all United States except California)
FEDS | Fuel Enable Data Stream
FF | Flexible Fuel
FI | Fuel Injection
FMVSS | Federal Motor Vehicle Safety Standards
F/P | Fuel Pump
ft | foot/feet
FT | Fuel Trim
F4WD | Full Time Four Wheel Drive
4WAL | Four Wheel Antilock
4WD | Four Wheel Drive
FW | Flat Wire
FWD | Front Wheel Drive
G
g | grams, gravitational acceleration
GA | Gage
gal | gallon
gas | gasoline
GCW | Gross Combination Weight
Gen | Generator
GL | Gear Lubricant
GM | General Motors
GM SPO | General Motors Service Parts Operations
gnd | ground
gpm | gallons per minute
GRN | Green
GRY | Gray
GVWR | Gross Vehicle Weight Rating
H
H | Hydrogen
H2O | Water
Harn | Harness
HC | Hydrocarbons
H/CMPR | High Compression
HD | Heavy Duty
HDC | Heavy Duty Cooling
hex | hexagon
Hg | Mercury
Hi Alt | High Altitude
HO2S | Heated Oxygen Sensor
hp | horsepower
HPL | High Pressure Liquid
HPS | High Performance System
HPV | High Pressure Vapor
Htd | Heated
HTR | Heater
HUD | Head-up Display
HVAC | Heater-Vent-Air Conditioning
HVACM | Heater-Vent-Air Conditioning Module
HVM | Heater Vent Module
Hz | Hertz
I
IAC | Idle Air Control
IAT | Intake Air Temperature
IC | Integrated Circuit, Ignition Control
ICM | Ignition Control Module
ID | Identification, Inside Diameter
IDI | Integrated Direct Ignition
ign | ignition
ILC | Idle Load Compensator
in | inch/inches
INJ | Injection
inst | instantaneous
I/P | Instrument Panel
IPC | Instrument Panel Cluster
I/PEC | Instrument Panel Electrical Center
ISC | Idle Speed Control
ISO | International Standards Organization
ISS | Input Speed Shaft
K
KAM | Keep Alive Memory
KDD | Keyboard Display Driver
kg | kilogram
kHz | kilohertz
km | kilometer
km/h | kilometers per hour
km/l | kilometers per liter
kPa | kilopascals
KS | Knock Sensor
kV | kilovolts
L
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
LED | Light Emitting Diode
LF | Left Front
LH | Left Hand
lm | lumens
LR | Left Rear
lt | left
LT | Light
M
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
ml | milliliter
mm | millimeter
mpg | miles per gallon
mph | miles per hour
ms | millisecond
MST | Manifold Surface Temperature
M/T | Manual Transmission/Transaxle
MV | Megavolt
mV | millivolt
N
NAES | North American Export Sales
NC | Normally Closed
NEG | Negative
Neu | Neutral
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
NVRAM | Non Volatile Random Access Memory
O
O2 | Oxygen
O2S | Oxygen Sensor
OBD II | On-Board Diagnostics II
OC | Oxidation Converter (Catalytic)
OD | Outside Diameter
ODO | Odometer
OE | Original Equipment
OEM | Original Equipment Manufacturer
OHC | Overhead Camshaft
OL | Open Loop
ORN | Orange
OSS | Output Shaft Speed
oz | ounce(s)
P
PAG | Polyalkylene Glycol
PASS | 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
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
POT | Potentiometer (Variable Resistor)
PPL | Purple
ppm | parts per million
PROM | Programmable Read Only Memory
P/S | Power Steering
PSD | Power Sliding Door
PSP | Power Steering Pressure
psi | pounds per square inch
psia | pounds per square inch absolute
psig | pounds per square inch gage
pt | pint
PWM | Pulse Width Modulated
Q
qt | quart(s)
R
R-12 | Refrigerant-12
R-134a | Refrigerant-134a
RAM | Random Access Memory (non permanent memory devise, 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
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 devise, memory contents are retained when power is removed)
RPM | Engine Speed (Revolutions Per Minute)
RPO | Regular Production Option
RR | Right Rear
rt | right
RTD | Real Time Damping
RTV | Room Temperature Vulcanizing (sealer)
RWAL | Rear Wheel Antilock
RWD | Rear Wheel Drive
S
s | second(s)
SAE | Society of Automotive Engineers
SC | Supercharger
SCB | Supercharger Bypass
SCM | Seat Control Module
SDM | Sensing and Diagnostic Module
SEO | Special Equipment Option
SFI | Sequential Multiport Fuel Injection
SI | System International (modern version of metric system)
SIR | Supplemental Inflatable Restraint
SLA | Short/Long Arm (suspension)
sol | solenoid
SO2 | Sulfur Dioxide
SP | Splice Pack
SPO | Service Parts Operations
sq ft | square foot/feet
sq in | square inch/inches
SRC | Service Ride Control
SRI | Service Reminder Indicator
ST | Scan Tool
S4WD | Selectable Four Wheel Drive
Sw | Switch
syn | synchronizer
T
Tach | Tachometer
TBI | Throttle Body Fuel Injection
TC | Turbocharger
TCC | Torque Converter Clutch
TCS | Traction Control System
TDC | Top Dead Center
TEMP | Temperature
Term | Terminal
TFP | Transmission Fluid Pressure
TFT | Transmission Fluid Temperature
TOC | Transmission Oil Cooler
TP | Throttle Position
TPA | Terminal Positive Assurance
TPM | Tire Pressure Monitoring
TR | Transmission Range
TRANS | Transmission/Transaxle
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
U
UART | Universal Asynchronous Receive and Transmit
U/H | Underhood
U/HEC | Underhood Electrical Center
U-joint | Universal Joint
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
VCM | Vehicle Control Module
VDOT | Variable Displacement Orifice Tube
VDV | Vacuum Delay Valve
vel | velocity
VES | Variable Effort Steering
VF | Vacuum Fluorescent
VIO | Violet
VIN | Vehicle Identification Number
VMV | Vacuum Modulator Valve
VR | Voltage Regulator
V ref | Voltage Reference
VSS | Vehicle Speed Sensor
W
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
X-valve | Expansion valve
Y
yd | yard(s)
YEL | Yellow