Abbreviations and Definitions
The following abbreviations are frequently used:^ ABS: Antilock Brake System
^ BCM: Body Control Module
^ CKT: Circuit
^ DLC: Data Link Connector
^ DTC: Diagnostic Trouble Codes
^ DMM: Digital Multimeter
^ EBCM: Electronic Brake Control Module
^ ESB: Expansion Spring Brake
^ IGN: Battery Voltage with Ignition to RUN position
^ PCM: Powertrain Control Module