I solved the problem in my case, once the STM32G FDCAN hardware switched to passive mode and notified by HAL_FDCAN_ErrorCallback, where TEC counter was 128 or more, we had to incorporate at least an additional 10-bit-time delay (20us at 500Kbps) befo...
STM32G491, I am also apparently losing CAN TX completion/abort interrupts, DAR off, Errors or no Errors at point of failure with no solution yet. But what I do experience is occasional errors, enough after ~3000 message to experience the problem. I b...
