Incorrect DLC or padding#
Use the smallest legal CAN-FD DLC that contains the message. Trailing bytes must be zero. For example, command contains 38 bytes and occupies a 48-byte payload. A shorter frame or nonzero padding is rejected by the codec.
Invalid numeric value#
Floating-point fields must be finite IEEE-754 binary32. NaN, infinity, integer overflow, missing fields, and unknown fields are rejected by the standalone codec.
Identifier mismatch#
Use an extended 29-bit identifier. Check the service, priority, source, destination, and protocol-major fields against the wire reference.
Valid frame but rejected command#
The command guard also checks session, sequence, synchronization, feedback age, enabled state, and configured limits. Valid encoding does not imply that a command may execute.
Run the offline codec example to isolate encoding from board integration. No live CAN dispatcher or qualified controller image is included in the reference software.