There are so many acronyms related to the automobile that we used to hear in our daily life. For example, RTR, PUC, ABS, etc. It is important to know the full forms of these acronyms.
Here is the list of important terms related to the automobile and their full forms.
| Sr. No. | Acronym | Full Form |
| 1 | ABS | Antilock Braking System |
| 2 | AC | Alternating Current |
| 3 | ACC | Automatic Climate Control or Adaptive Cruise Control |
| 4 | ACCS | Air Conditioning Cycling Switch |
| 5 | ACD | Air Conditioning Demand |
| 6 | ACE | Active Cornering Enhancement |
| 7 | ACM | Airbag Control Module |
| 8 | ACP | Air Conditioning Pressure |
| 9 | ADAS | Advanced Driver Assistance System |
| 10 | ADB | Adaptive Driving Beam |
| 11 | ADC | Automatic Distance Control |
| 12 | ADG | Accommodated Device Gateway |
| 13 | ADL | Automatic Door Lock |
| 14 | ADS | Auxiliary Discriminating Sensor |
| 15 | ADU | Autonomous Driving Unit |
| 16 | AECM | Airbag Electronic Control Module |
| 17 | AFCD | Advanced Frontal Crash Dummy |
| 18 | AFCM | Alternate Fuel Control Module |
| 19 | AFECM | Alternate Fuel Engine Control Module |
| 20 | AFL | Adaptive Front Light |
| 21 | AFO | Alternate Fuel Operation |
| 22 | AFR | Air Fuel Ratio |
| 23 | AGVS | Automated Guided Vehicle System |
| 24 | AHLD | Automatic Headlamp Levelling Device |
| 25 | AHS | Active Handling System |
| 26 | AIM | Automotive Interior Material |
| 27 | AIR | Air Injection Reaction |
| 28 | AIS | Automatic Idle Speed |
| 29 | ALR | Automatic Locking Retractor |
| 30 | AMM | Air Mass Meter |
| 31 | AMT | Automated Manual Transmission |
| 32 | APO | Accessory Power Outlets |
| 33 | APP | Accelerator Pedal Position |
| 34 | APT | Adjustable part Throttle |
| 35 | ARAI | Automotive Research Association of India |
| 36 | ASA | Automatic Slack Adjuster |
| 37 | ASARC | Air Suspension Automatic Ride Control |
| 38 | ASG | Automatic-Shift Gearbox |
| 39 | ASG | Automatic Shift Gearbox |
| 40 | ASTC | Automatic Stability and Traction Control |
| 41 | ATC | Automatic Temperature Control |
| 42 | ATLS | Automated Truck Loading Systems |
| 43 | AWD | All Wheel Drive |
| 44 | AWD | All Wheel Drive |
| 45 | BHP | Brake Horse Power |
| 46 | BMEP | Brake Mean Effective Pressure |
| 47 | BSFC | Brake Specific Fuel Consumption |
| 48 | C.I ENGINE | Compression Ignition Engine |
| 49 | CAMM | Computer Aided Manufacturing Measurement |
| 50 | CAMS | Computerized Automotive Maintenance System |
| 51 | CARB | California Air Resources Board |
| 52 | CC | Cubic Capacity |
| 53 | CCO | Converter Clutch Override |
| 54 | CCOT | Cycling Clutch Orifice Tube |
| 55 | CCP | Climate Control Panel |
| 56 | CCVTI | Controlled Combustion Variable Timing Ignition |
| 57 | CDI | Capacitor Discharge Ignition |
| 58 | CFI | Continuous Fuel Injection |
| 59 | CI.Eng | Compression Ignition Engine |
| 60 | CMFI | Central Multi-Port Fuel Injection |
| 61 | CNG | Compressed Natural Gas |
| 62 | CPFI | Central Port Fuel Injection |
| 63 | CRDE | Common Rail Diesel Engine |
| 64 | CRDI | Common Rail Direct Injection |
| 65 | CSFI | Central Sequential Fuel Injection |
| 66 | CVN | Calibration Verification Number |
| 67 | CVT | Continuous Variable Transmission |
| 68 | CVTI | Charged-motion Variable Time Ignition |
| 69 | CWS | Continental Wheel System |
| 70 | DDIS | Direct Diesel Injection System |
| 71 | DDS | Deflection Detection System |
| 72 | DFI | Digital Fuel Injection |
| 73 | DGI | Direct Gasoline Injection |
| 74 | DGS | Direct Shift Gearbox |
| 75 | DI ENGINE | Direct Injection Engine |
| 76 | DICOR | Direct Injection Common Rail |
| 77 | DMV | Department of Motor Vehicles |
| 78 | DOHC | Double Overhead Camshaft |
| 79 | DSCC | Distance Sensing Cruise Control |
| 80 | DTS-FI | Digital Twin Spark Fuel Injection |
| 81 | DTSI | Digital Twin Spark Ignition |
| 82 | DTS-i | Digital Twin Spark Ignition |
| 83 | DTS-Si | Digital Twin Spark Swirl Induction |
| 84 | EATC | Electronic Automatic Temperature Control |
| 85 | EBC | Electronic Brake Control |
| 86 | EBD | Electronic Brakeforce Distribution |
| 87 | EC ENGINE | External Combustion Engine |
| 88 | EC.Eng | External Combustion Engine |
| 89 | ECC | Electronic Climate Control |
| 90 | EFI | Electronic Fuel Injection |
| 91 | EGR | Exhaust Gas Recirculation |
| 92 | EHB | Electro-Hydraulic Brake |
| 93 | EHCU | Electronic Hydraulic Control Unit |
| 94 | EHOC | Electrically Heated Oxidation Catalyst |
| 95 | EHPS | Electro-Hydraulic Power Steering |
| 96 | EOP | Engine Oil Pressure |
| 97 | EOT | Engine Oil Temperature |
| 98 | EPHS | Electrically Powered Hydraulic Steering |
| 99 | EPR | Exhaust Pressure Regulator |
| 100 | EPS | Electric Power Steering |
| 101 | ESC | Electronic Stability Control |
| 102 | ESCM | Energy Storage Control Module |
| 103 | EVO | Electronic Variable Orifice |
| 104 | EVRV | Electronic Vacuum Regulator Valve |
| 105 | FDE | Ford Duratorq Engine |
| 106 | FGT | Fixed Geometry Turbocharger |
| 107 | FHP | Frictional Horse Power |
| 108 | FIPL | Fuel Injection Pump Lever |
| 109 | FPI | Fins Per Inch |
| 110 | FPM | Fuel Pump Monitor |
| 111 | FPRC | Fuel Pressure Regulator Circuit |
| 112 | FTP | Fuel Tank Pressure |
| 113 | FWD | Front Wheel Drive |
| 114 | GDI | Gasoline Direct Injection |
| 115 | GVW | Gross Vehicle Weight |
| 116 | GWP | Global Warming Potential |
| 117 | HAD | Highly Autonomous Driving |
| 118 | HCCI | Homogeneous Charge Compression Ignition |
| 119 | HCM | Heating Control Module |
| 120 | HCU | Hydraulic Control Unit |
| 121 | HCV | Heavy Commercial Vehicle |
| 122 | HEPS | Hydraulic Electric Power Steering |
| 123 | HEV | Hybrid Electric Vehicle |
| 124 | HP | Horse Power |
| 125 | HPDI | High Pressure Direct Injection |
| 126 | HVAC | Heating ventilating and Air Conditioning |
| 127 | HVI | High Viscosity Index |
| 128 | ICE | Internal Combustion Engine |
| 129 | ICM | Ignition Control Module |
| 130 | ICP | Injection Control Pressure |
| 131 | IHP | Indicated Horse Power |
| 132 | IMEP | Indicated Mean Effective Pressure |
| 133 | ISFC | Indicated Specific Fuel Consumption |
| 134 | ISG | Integrated Starter Generator |
| 135 | ISO | Interior Systems Optimization |
| 136 | IVCS | Integrated Vehicle Control System |
| 137 | IVSC | Integrated Vehicle Speed Control |
| 138 | JCB | Joseph Cyril Bamford |
| 139 | KPH | Kilometer Per Hour |
| 140 | KPL | Kilometer Per Liter |
| 141 | LCV | Light Commercial Vehicle |
| 142 | LEV | Low-Emission Vehicle |
| 143 | LNG | Liquid Natural Gas |
| 144 | LPG | Liquefied Petroleum Gas |
| 145 | LSPV | Load Sensing Proportioning Valve |
| 146 | MPFI | Multi Point Fuel Injection |
| 147 | MRF | Madras Rubber Factory |
| 148 | MUV | Multi Utility vehicle |
| 149 | MVSS | Motor Vehicle Safety Standards |
| 150 | NGV | Natural Gas Vehicle |
| 151 | NHTSA | National Highway Traffic Safety Administration |
| 152 | NMOG | Non-Methane Organic Gas |
| 153 | NTMVSA | National Traffic and Motor Vehicle Safety Act |
| 154 | NVLD | Natural Vacuum Leak Detection |
| 155 | OBD | On Board Diagnose |
| 156 | OHV | Over Head Valve |
| 157 | ORC | Oxidation Reduction Converter |
| 158 | PUC | Pollution Under Control |
| 159 | RABS | Rear Antilock Brake System |
| 160 | RPM | Revolutions Per Minute |
| 161 | RTO | Regional Transport Office |
| 162 | RTR | Racing Throttle Response |
| 163 | RWD | Rear Wheel Drive |
| 164 | S.I. Engine | Spark Ignition Engine |
| 165 | SAE | Society of Automotive Engineers |
| 166 | SMCC | Stepper Motor Cruise Control |
| 167 | SOHC | Single Over Head Camshaft |
| 168 | SRS | Supplemental Restraint System |
| 169 | SULEV | Super Ultra Low Emission Vehicle |
| 170 | SUV | Sport Utility Vehicle |
| 171 | TACM | Throttle Actuator Control Module |
| 172 | TBI | Throttle Body Injection |
| 173 | TC | Traction Control |
| 174 | TDCI | Turbo Diesel Common Rail Injection |
| 175 | TDI | Turbocharged Direct Injection |
| 176 | TRR | Tire Rolling Resistance |
| 177 | TSI | Turbocharged Stratified Injection |
| 178 | TVS | Thirukkurungudi Vengaram Sundram |
| 179 | ULEV | Ultra-Low Emission Vehicle |
| 180 | VACS | Vehicle Access Control System |
| 181 | VATS | Vehicle AntiTheft System |
| 182 | VDB | Ventilated Disc Brake |
| 183 | VDC | Variable Displacement Compressor |
| 184 | VDCS | Vehicle Dynamics Control System |
| 185 | VDIS | Vehicle Diagnostic Information System |
| 186 | VECI | Vehicle Emission Control Information |
| 187 | VGT | Variable Geometry Turbocharger |
| 188 | VIN | Vehicle Identification Number |
| 189 | VNT | Variable Nozzle Turbine |
| 190 | VRLA | Valve Regulated Lead Acid |
| 191 | VSC | Vehicle Stability Control |
| 192 | VSES | Vehicle Stability Enhancement System |
| 193 | VSS | Vehicle Speed Sensor |
| 194 | VSV | Vacuum Solenoid Valve |
| 195 | VTVT | Variable Timing Valve Train |
| 196 | VVT | Variable Valve Timing |
| 197 | VVTI | Variable Valve Timing With Intelligence |
| 198 | WGT | Waste Gas Turbocharger |
| 199 | xVDS | Extended Vehicle Diagnostic System |
| 200 | ZEV | Zero Emission Vehicle |