I believe J1939 will survive as a standard and have standard data elements populated by the various ECUs. However, the J1939 will be layered with multiple CAN networks that are proprietary.

The Universal Vehicle Module (UVM) uses SAE J1939 protocols to communicate over the open CAN system. This feature spotlight is taking a closer look at what this means for 2025 Chevy Blazer EV PPV ...

The Truck and Bus Control and Communications Network Subcommittee began development of SAE Recommended Practice J1939 to satisfy these needs. This paper presents the serial data communications that ...

Smart Power has introduced an exciting and powerful control system for its generators using a SAE J1939 approved format that integrates with a vehicle's multiplexing system.

The 2025 GMC Sierra will offer a new Universal Vehicle Module (UVM), designed for use by upfitters as an available, extra-charge option. Also made available for 2024 GMC Sierra pickups from later ...

A new module integrated into the electrical architecture grants upfitters—the companies that produce snowplows, custom bodies, man-lifts, and the like for F-Series Super Duty trucks—access to ...