: A reputable European source for automotive standards.
: Integrated low-power modes and selective wake-up functionalities (formerly parts 5 and 6) and added support for CAN Flexible Data-rate (CAN FD) up to 5 Mbps.
ISO 11898-2:2003 is often sold second-hand on platforms like Amazon or AbeBooks for a fraction of the price. For many legacy systems, the 2003 version is still perfectly valid.