Glossary of Heavy-Duty Truck Parts Terms
August 24, 2021Every industry has its own unique language, and heavy-duty truck parts is no exception. Here is our helpful list to decode the acronyms and abbreviations about heavy-duty truck parts.
| Acronym | Description |
| A/C | Air Conditioning |
| ABS | Anti-Lock Braking System |
| APU | Auxiliary Power Unit |
| ATC | Automatic Traction Control |
| BBC | Bumper to Back of Cab |
| CAC | Charge Air Cooler |
| CCA | Cold Cranking Ampere |
| DEF | Diesel Exhaust Fluid |
| DOC | Diesel Oxidation Catalyst |
| DPF | Diesel Particulate Filter |
| DRL | Daytime Running Lights |
| DTC | Diagnostic Trouble Code |
| ECM | Electronic Control Module |
| ECU | Electronic Control Unit |
| EGT | Exhaust Gas Temperature |
| EPG | Exhaust Pressure Governor |
| ESN | Engine Serial Number |
| FMI | Failure Mode Identifier |
| HVAC | Heater Vent Air Conditioning |
| LCM | Light Control Module |
| LH | Left-Hand (Left Side) |
| NC | Normally Closed (Electrical) |
| NO | Normally Open (Electrical) |
| NOx | Nitrogen Oxides |
| O2 | Oxygen |
| PID | Parameter Identification Descriptions |
| PTO | Power Take-Off |
| RH | Right-Hand (Right Side) |
| STD | Standard |
| STT | Stop Tail Turn (Light) |
| VADA | Volvo Active Driver Assist |
| VEB | Volvo Engine Brake |
| VEC | Volvo Enhanced Cruise |
| VECU | Vehicle Electronic Control Unit |
| VIN | Vehicle Identification Number (17 digit Truck Serial Number) |