RPO (Regular Production Option) is the GM standard coding system for vehicle configuration. Every factory-installed option, package, engine, transmission, color,… Read more RPO

The SPID (Service Parts Identification) label is the physical sticker on a GM vehicle that lists every RPO option code… Read more SPID label

VIN Programming is the process of configuring a GM electronic module — an HMI, CSM, ACM, BCM, cluster, VCIM, or… Read more VIN Programming

Theft Lock (often displayed as “LOCKED” or “THEFTLOCK”) is the anti-theft mode that GM radios and other VIN-paired modules enter… Read more Theft Lock

MOST (Media Oriented Systems Transport) is the high-speed multimedia network protocol used to connect infotainment modules on GM HMI-based vehicles.… Read more MOST bus

“Plug and Play” is the term WAMS uses for replacement modules that ship pre-programmed and ready to install without any… Read more Plug and Play