I’m working on a CAN bus project and need to simulate the CAN controller with Proteus . Does anyone have a working Proteus library (.IDX, .LIB) for the MCP2515?

often provide zip files containing the necessary simulation models for specialized modules like the File types : Look for files named MCP2515.LIB MCP2515.IDX 2. Installation Steps in Proteus

Even with a correct , you may face issues. Here is your debugging checklist: