Follow the evidence.
Choose an investigation. Predict the behaviour, inspect each boundary and explain the next useful check.
Missing CAN transmission
Toggle I-PDU group and controller states to investigate a silent transmit path.
Open investigation ↗CAN arbitration
Compare identifier bits and explain exactly why a node stops transmitting.
Open investigation ↗Lost interrupt events
Distinguish observable memory access from a design that preserves every event.
Open investigation ↗Register side effects
Investigate why clearing one hardware flag can clear another.
Open investigation ↗Communication investigations
Work through the existing COM, bus-off, DoIP and routing investigations.
Open investigation ↗Engineering skill check
Practise technical questions and inspect your reasoning gaps.
Open investigation ↗