Diagnostics Communication Manager (DCM)

Diagnostics Communication Manager (DCM) is a component in vehicle systems that manages and facilitates communication between external diagnostic tools and the vehicle’s electronic control units (ECUs). It allows technicians to retrieve vehicle health data, perform system tests, and update software efficiently. DCM acts as a centralized communication hub, ensuring proper data exchange between diagnostic devices and various vehicle modules. By streamlining these interactions, DCM helps in accurate troubleshooting, maintaining vehicle performance, and supporting maintenance procedures in a reliable and standardized manner.