“It’s not just data — it’s a layer of immersion,” says Casey M., a full-time digital nomad with a Sprinter conversion. “When my music equalizer visualizes engine load from J1939-71, the whole van becomes an instrument.”
The SAE J1939 protocol is a CAN (Controller Area Network) based protocol, which is designed to allow electronic control units (ECUs) to communicate with each other in a vehicle network. The protocol defines the rules for data communication, including the format of messages, the priority of messages, and the method for resolving data conflicts. sae j193971 pdf hot