Automotive Acronyms
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These are the Acronyms we use most often. You'll often find a few of these navigating the site: |
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AT: |
Automatic Transmission |
BCM: |
Body Control Module |
ECM: |
Engine Control Module |
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ECU: |
Engine Control Unit |
OEM: |
Original Equipment Manufacturer |
PCM: |
Powertrain Control Module |
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MT: |
Manual Transmission |
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Here are some other commonly used acronyms in the automotive industry: |
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4AT: |
4-speed Automatic Transmission |
5AT: |
5-speed automatic transmission |
6AT: |
6-speed automatic transmission |
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ABS: |
Anti-lock braking system |
AC: |
Alternating Current |
A/C: |
Air conditioning |
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AWD: |
All Wheel Drive |
CARB: |
California Air Resources Board |
CNG: |
Compressed natural gas |
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CO2: |
Carbon dioxide |
CVVL: |
Continuous variable valve lift |
CVT: |
Continuously variable transmission |
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DC: |
Direct current |
DCP: |
Dual cam phasing |
DCT: |
Dual clutch transmission |
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DMV: |
Department of Motor Vehicles |
DOHC: |
Dual overhead cam |
DRL: |
Daytime Running Lights |
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DVVL: |
Discrete variable valve lift |
DVVLd: |
Discrete variable valve lift, includes dual cam phasing |
DVVLi: |
Discrete variable valve lift, includes intake valve cam phasing |
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EAT: |
Electronically assisted turbocharging |
EGR: |
Exhaust gas recirculation |
EPS: |
Electric power steering |
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EFI: |
Electronic Fuel Injection |
GT: |
Gran/Grand turismo |
GVW: |
Gross vehicle weight |
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FWD: |
Front-wheel drive |
GWP: |
Global warming potential |
HC: |
Hydrocarbons |
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GVWR: |
Gross vehicle weight rating |
HFC: |
Hydrofluorocarbon |
HP: |
Horsepower |
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HEV: |
Hybrid-electric vehicle |
IGN: |
Ignition |
L4: |
In-line four-cylinder |
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HSDI: |
High-speed (diesel) direct injection |
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 Low-emission vehicle |
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LDT: |
Light-duty truck |
LPG: |
Liquified petroleum gas |
LVW: |
Loaded vehicle weight |
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LED: |
Light Emitting Diode |
MDPV: |
Medium-duty passenger vehicle |
MDV: |
Medium-duty vehicle |
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LEV: |
Low-emission vehicle |
NOx: |
Oxides of nitrogen |
PB: |
Power brakes |
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N2O: |
Nitrous oxide |
PS: |
Power steering |
PC: |
passenger car |
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RPM: |
Revolutions Per Minute |
SULEV: |
Super ultra low emission vehicle |
R-134a: |
Refrigerant 134a, tetrafluoroethane (C2H2F4) |
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R-152a |
Refrigerant 152a, difluoroethane (C2H4F2) |
SUV: |
Sport utility vehicle |
TBI: |
Throttle body injection |
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Turbo: |
Turbocharging |
ULEV: |
Ultra low emission vehicle |
V6: |
Vee-formation six-cylinder |
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V8: |
V-formation eight-cylinder |
VDC: |
Variable displacement compressor |
ZEV: |
Zero-emission vehicle |
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4WD: |
Four-wheel-drive |
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