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Vehicle acronyms and abbreviations
Automotive acronyms and abbreviations
The following items are commonly used automotive acronyms and abbreviations:
5MT: 5-speed manual transmission
A4: 4-speed
automatic transmission
A5: 5-speed automatic transmission
A6: 6-speed automatic transmission
ABS:
Anti-lock braking system
AC:
Alternating Current
A/C:
Air conditioning
ADAS: Advanced Driving Autonomous Systems
ADB:
Adaptive Driving Beam
AdvHEV:
Hybrid vehicle
AGS:
Adaptive transmission control
AHC:
Automatic height controller
AMT:
Automated manual transmission
AFL:
Adaptive front light
AFS:
Adaptive front-light system
ALH:
Adaptive LED Headlights
ATLS:
Automated truck loading systems
Autogas
:
LPG
when used as a vehicle fuel
AVT:
Antenna Amplifier Tuner
AWD:
All Wheel Drive
BSM:
Blind spot monitor
CAB 1493
:
California Assembly Bill 1493
CARB
:
California Air Resources Board
CCP:
Coupled cam phasing
CH<sub>4</sub>:
Methane
CNG:
Compressed natural gas
:
Carbon dioxide
CTS: Cruising & Traffic Support
CVVL:
Continuous variable valve lift
CVT:
Continuously variable transmission
DAA:
Driver Attention Alert
DC:
Direct current
DCP:
Dual cam phasing
DCT:
Dual clutch transmission
DeAct:
Cylinder deactivation
dHCCI: Diesel
homogeneous charge compression ignition
DMV:
Department of Motor Vehicles
DOHC
:
Dual overhead cam
DRL:
Daytime Running Lights
DRSS: Distance Recognition Support System
DSC:
Dynamic stability control
DVVL
: Discrete variable valve lift
DVVLd
: Discrete variable valve lift, includes dual cam phasing
DVVLi
: Discrete variable valve lift, includes intake valve cam phasing
eACC: Improved electric accessories
EAT:
Electronically assisted turbocharging
EFI: Electronic
Fuel Injection
EGR:
Exhaust gas recirculation
ehCVA: Electrohydraulic
camless valve actuation
emCVA: Electromagnetic camless valve actuation
EHPS:
Electrohydraulic power steering
EPB:
Electronic Parking Brake
EPS:
Electric power steering
EMFAC
: Emission Factors Model, ARB emission factors modeling software
ESC:
Electronic stability control
ESP:
Electronic stability program
EWP:
Electric water pump
EWP:
Elevating work platform
FDC:
Fixed displacement compressor
FWD:
Front-wheel drive
FTP:
Federal test procedure
g/mi:
Grams per mile
GDI:
Gasoline direct injection
GDI-S: Stoichiometric gasoline direct injection
GDI-L: Lean-burn gasoline direct injection
gHCCI: Gasoline
homogeneous charge compression ignition
GHG:
Greenhouse gas
GT:
Grand Tourer
GVW:
Gross vehicle weight
GVWR:
Gross vehicle weight rating
GWP:
Global warming potential
HAD:
Highly Autonomous Driving
HBC:
High Beam Control
HC:
Hydrocarbons
HEV:
Hybrid-electric vehicle
HFC:
Hydrofluorocarbon
HP:
Horsepower
HSDI: High-speed (diesel)
direct injection
HUD:
Automotive head-up display
ICP:
Intake cam phaser
IGN:
Ignition
ImpAlt: Improved efficiency
alternator
IRVM: Inside
Rear View Mirror
ISG:
Integrated starter-generator system
ISG-SS: Integrated starter-generator system with start-stop operation
L4
:
Straight four (Inline four) engine
LDT:
Light-duty truck
LDT1: a light-duty truck with a loaded vehicle weight of up to 3750 pounds.
LDT2: an LEV II light-duty truck with a loaded vehicle weight of 3751 pounds to a gross vehicle weight of 8500 pounds
LED: Light Emitting Diode
LEV:
Low-emission vehicle
LPG:
Liquified petroleum gas
LVW: Loaded vehicle weight
MAC:
Mobile air conditioning
MDPV: Medium-duty passenger vehicle
MDV:
Medium-duty vehicle
mg/mi:
Milligrams per mile
MHEV:
Mild Hybrid Electric Vehicle
MT:
Manual Transmission
NMOG:
Non-methane organic gas
N<sub>2</sub>O:
Nitrous oxide
NOx:
Oxides of nitrogen
ORVM: Outside Rear View (
Side View
) Mirror
PB:
Power brakes
PC:
Passenger car
RPM:
Revolutions Per Minute
PS:
Power steering
R-134a: Refrigerant 134a (
1,1,1,2-Tetrafluoroethane
)
R-152a: Refrigerant 152a (
1,1-Difluoroethane
)
RCTA: Rear Cross
Traffic Alert
RPE: Retail price equivalent
RWD:
Rear Wheel Drive
SULEV:
Super ultra low emission vehicle
SUV:
Sport utility vehicle
TBI:
Throttle body injection
TCS:
Traction control system
TRR: Tire
rolling resistance
TSR: Traffic Sign Recognition
Turbo:
Turbocharger
ULEV
:
Ultra low emission vehicle
V6
:
"V" shaped
6-cylinder engine
V8
: "V" shaped 8-cylinder engine
VDC: Variable displacement
compressor
VVT:
Variable Valve Timing
ZEV:
Zero-emission vehicle
4WD:
Four-wheel drive
42V ISG: 42-
volt
integrated starter-generator system
References