ABS - Antilock Braking System ECM - Engine Control Module BCM - Body Control Module TCS - Traction Control System TCM - Transimission Control Module ESC - Electronic Stability Control VIN - Vehicle Identification Number SBC - Small Block Chevy BBC - Big Block Chevy FWD - Front Wheel Drive RWD - Rear Wheel Drive AWD - All Wheel Drive 4WD - 4 Wheel Drive OBDII - Onboard Diagnostics revision 2 AGM - Absorbed Glass Mat TPMS - Tire Pressure Monitoring System CEL - Check Engine Light DTC - Diagnostic Trouble Code
