How many of you know the meaning of these commonly used acronyms? Some are easy, others may be hard. Test your knowledge and then scroll down for the answers. AFR BCM BOV CDV CEL DCG DTC ECT EGR EVIC HUD HVAC IAT IFS LSA MIL PCM PDC RWHP SA SRS TCM TIPM TPMS VVT Definitions AFR= Air Fuel Ratio BCM= Body Control Module BOV= Blow Off Valve CDV= Clutch Delay Valve CEL= Check Engine Light DCG= Drivers Convenience Group Package DTC= Diagnostic Trouble Code ECT= Engine Coolant Temp EGR= Exhaust Gas Recirculation EVIC= Electronic Vehicle Information Center HUD= Heads-Up Display HVAC= Heating, Ventilation, and Air Conditioning IAT= Intake Air Temperature IFS= Independent Front Suspension LSA= Lobe Separation Angle (Camshaft) MIL= Malfunction Indicator Light PCM= Powertrain Control Module PDC= Power Distribution Center RWHP= Rear Wheel Horsepower SA= Spark Advance SRS= Supplemental Restraint System TCM= Transmission Control Module TIPM= Totally Integrated Power Module TPMS= Tire Pressure Monitoring System VVT= Variable Valve Timing